HDMI which stands for High Definition Multimedia Interface is an audio/video interface that can be used to interconnect various multimedia devices. One of the common use for HDMI is when a CPU is connected to a monitor and a projector. Aside from that, it can also be used in connecting Blu-ray players and laptops to televisions as well as monitors. One of the main advantages of using HDMI is that it can transmit both audio and video at high qualities such as 4K using only a single connection. However, you may also experience some issues in using it every now and then and one of them is when you find that after connecting the devices using the HDMI port, the screen appears to be black and there is no audio output. In such cases, there are a variety of hardware malfunctions that could be causing the problem with the HDMI connectivity. Although there a lot of potential causes, there are also potential fixes you can try to fix the problem. Before you troubleshoot the HDMI Port problem, you might want to perform System Restore first as it might help you in fixing the problem. It could be that you’ve made some changes in some of the settings in your computer that triggered the problem. Thus, you can try run System Restore to undo them, refer to these steps:

• First, press the Win + R keys to open the Run dialog box.
• After that, type in “sysdm.cpl” in the field and tap Enter.
• Next, go to the System Protection tab then click the System Restore button. This will open a new window where you have to select your preferred System Restore point.
• After that, follow the on-screen instructions to finish the process and then restart your computer and check if the Stop error is fixed or not.

If the problem still persists after System Restore, then follow the given options below to further troubleshoot the problem.

Option 1 – Try to physically check the hardware of your computer

The first thing you can do is to check the physical status of the hardware in your computer. You can clean the dust off the hardware components like the Network Card or Graphics Card of the computer. You might want to use a small blower or you could also use a soft cloth and run the components gently. Make sure that you don’t damage any parts with moisture or cause harm to any circuits while you carry out this task.

Option 2 – Run the Video Playback troubleshooter

You might also want to run the Video Playback troubleshooter. To do so, refer to these steps:

• First, open the Windows settings app.
• Then navigate to Update & Security > Troubleshoot.
• From there, scroll down until you see the Video Playback section and click on it.
• After that, you’ll see the Run the troubleshooter button, click on it to run the Video Playback troubleshooter, and follow the next on-screen instructions.

On other hand, you can also run the Hardware and Device troubleshooter if the Video Playback troubleshooter wasn’t able to fix the problem. You can run it from the same page that you run the Video Playback troubleshooter.

Option 3 – Try to rollback, update, or disable the Graphics card drivers

To fix the problem with the HDMI port, you can either roll back, update or disable them depending on your preference in order to resolve the problem.

• First, boot your computer into Safe Mode.
• After that, tap the Win + R keys to launch Run.
• Type in devmgmt.msc into the box and tap Enter or click OK to open the Device Manager.
• After that, a list of device drivers will be displayed. From there, look for the Display Adapters and click on them.
• After that, right-click on each entry under the Display Adapters. Note that the rollback option is only available if the update was recent. So if it isn’t there, just click on the Update Driver option.
• From there, Windows will automatically check for problems and update the Graphics card drivers.
• Now restart your computer.
• After restarting your computer, go to the Settings app and Check for Updates in the Windows Update section.

Note: You also have the option to go directly to the website of your graphics card manufacturers like NVIDIA, Intel, or AMD and go to the section called Drivers then check if there’s a new available update – if there is, download and install it.

Option 4 – Try to reset the Monitor

You could also try resetting the monitor or television using its hardware keys and see if it can resolve the problem. You can just refer to your TV or monitor’s guide for more information on how to reset them.

Option 5 – Try some miscellaneous fixes

Apart from the four given options above, you can also check out some miscellaneous fixes to fix the HDMI connectivity issue and here they are:

• You can try to plug out the HDMI cord/cable from both source and destination and then plug it back in after a couple of minutes.
• You can also check if the HDMI cable you are using is still in working condition.
• You can also try to change the source and the destination of the video and see if either one of them is in a non-workable state.
• Try checking if your settings are how they should be as intended in the “Project my screen” option by tapping the Win + P key combination on your keyboard.

If you receive an error message that says, “Entry point not found, The procedure entry point could not be located in the dynamic link library” on your Windows 10 PC, then you will find this post useful for this will provide you some potential fixes to fix the error. This kind of error can occur if a program fails to locate the DLL library that it needs in order to run. It can also occur if the library is not in the specified directory in the path or if the DLL file has gone missing or has become corrupted. To fix the “The procedure entry point could not be located in the dynamic link library” error, check out the following options given below.

Option 1 – Try to reinstall the program

The first thing you can do to resolve the error is to uninstall the program that throws the error and download its latest version from its official site and then install it again.

Option 2 – Run System File Checker scan

If reinstalling the program didn’t work, you can also try running the System File Checker or SFC scan to fix the error. System File Checker is a command utility built into your computer that helps restore corrupted files and missing files. Refer to the following steps to run it:

• Hit the Win + R keys to launch Run.
• Type in cmd in the field and tap Enter.
• After opening Command Prompt, type in sfc /scannow

The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:

1. Windows Resource Protection did not find any integrity violations.
2. Windows Resource Protection found corrupt files and successfully repaired them.
3. Windows Resource Protection found corrupt files but was unable to fix some of them.

 Reboot your computer.

Option 3 – Try checking the details in the Event Viewer

The Event Viewer can also help you resolve the error as it contains detailed information about the error that could help you pinpoint its root cause and resolve it.

Option 4 – Try to re-register the problematic DLL file

You may have to re-register the ntdll.dll file using the regsvr32.exe before you can successfully install the program and fix the error. The Regsvr32 tool is a command-line utility that can be used to register and unregister OLE controls like DLL and ActiveX (OCX) controls in the Windows operating system. Follow the steps below to use it.

• Open Command Prompt as admin from the WinX menu.
• Next, type the following commands in the elevated Command Prompt and hit Enter to execute the command. This will re-register the affected DLL file using the Windows operating system tool, regsvr32.exe.
  • exe /[DLL file]
  • exe [DLL file]

Note: Replace “[DLL file]” with the name of the DLL file that was pointed out in the error.

• After you execute the given commands, you should see a message saying, “DllRegisterServer in vbscript.dll succeeded” if the Regsvr32 tool was able to run successfully. After that, try to install the program again and see if it now works.

Option 5 – Try to replace the DLL file with a trusted source

• First, you need to get the new DLL file from another computer with preferably the same file version number.
• After that, you need to boot your PC into Safe Mode and navigate to the paths listed below and then replace the file using a USB drive or other external storage devices.
  • x86: This PC > C:/Windows/System32
  • x64: This PC > C:/Windows/SysWOW64
• Next, type “cmd” in the Cortana search box and right click on Command Prompt, and select “Run as administrator” to open it with administrator privileges.
• Now type the “regsvr32 ntdll.dll” command and hit Enter.
• Restart your PC and check if the error is now fixed.

Option 6– Try to scan your computer using Windows Defender

It is also possible that the DLL file might be infected with malware or virus which could explain why you’re getting the error. Thus, you have to scan your computer using security programs like Windows Defender.

• Tap the Win + I keys to open Update & Security.
• Then click on the Windows Security option and open Windows Defender Security Center.
• Next, click on Virus & threat protection > Run a new advanced scan.
• Now make sure that Full Scan is selected from the menu and then click the Scan Now button to get started.

There is no doubt that the VLC media player is one of the best kinds of media players available today. However, it is not without any issues and one of the common issues encountered by users is VLC’s inability to be updated. And when you try to update VLC, you only get an error message saying, “An error occurred while checking for updates”. This inability to update VLC can be quite a headache for many users especially the ones who are facing other issues in VLC and has to update it in order to resolve them. So how will you update VLC and fix its issues when you can’t even update it in the first place? Worry not as this post will help you out. Refer to the suggestions laid out below to resolve the issue in updating VLC.

Option 1 – Check if VLC is not being blocked by the Firewall

There are instances when the Firewall like the Windows Defender Firewall blocks VLC for some unknown reason without your knowledge. Thus, you need to allow VLC to get past the Firewall in order for you to fix the issue else you won’t be able to send out a network communication. To do that, follow the steps below.

• Tap the Windows key + I to open the Settings app.
• Then click on the Update & Security option.
• After that, click on Windows Security and click the Open Windows Defender Security Center option. This will open the Windows Defender antivirus and antimalware program.
• From there, click on Firewall & network protection.
• Next, click on Allow an app through Firewall. You should see a list of programs. Scroll down until you see VLC and make sure that all the boxes are ticked including the Public and Private ones.
• Once you’re done, restart your PC and then try updating VLC again.
• Just open VLC and select the Help menu and click on Check for Updates.

Option 2 – Try running the VLC media player as an administrator

There are programs designed for Windows 10 that won’t work fully unless some parameters are met. In most cases, starting the program as an admin should resolve the problem, thus, that’s what you have to do to try and fix the “An error occurred while checking for updates” in VLC.

• First, right-click on the VLC Media Player desktop icon and then select the “Run as administrator” option or you could also right-click on the icon and click on Properties.
• After that, click the Compatibility tab and then tick the box labeled “Run this program as an administrator”.
• Next, click the OK button and then open VLC again and try updating it. That should fix the problem.

This post will guide you in fixing high CPU, Memory, and Disk usage problems caused by NTOSKRNL.exe. NTOSKRNL stands for “NT Operating System Kernel. This file is a kernel image that is responsible for a lot of systems-based processes such as Hardware Virtualization, Process, and Memory. Aside from that, it is also the one that compresses the old pages of memory that reduces the overall amount of memory being used. If you notice that your computer is running slowly and you find that the NTOSKRNL.exe file is hogging your resources such as disk usage, CPU usage as well as memory usage, then read on as this post will guide you in fixing the problem caused by NTOSKRNL.exe. Make use of the options given below to resolve the issues caused by NTOSKRNL.exe. 1] Scan your computer for potential malware There might be a good chance that your computer might be infected with malware. And this malware might be associated with the NTOSKRNL.exe file and hence making it consume a lot of system resources. So, I would really recommend you to make sure that your Antivirus is up to date and then scan your computer with it specifically the C:/Windows/System32 folder because this is the location where the NTOSKRNL.exe file is located.

Option 1 – Put your computer in a Clean Boot State

The first thing you have to do is to put your computer in a Clean Boot State as this can help you in finding any incompatible programs that are causing the problem.

• Log onto your PC as an administrator.
• Type in MSConfig in the Start Search to open the System Configuration utility.
• From there, go to the General tab and click “Selective startup”.
• Clear the “Load Startup items” check box and make sure that the “Load System Services” and “Use Original boot configuration” options are checked.
• Next, click the Services tab and select the “Hide All Microsoft Services” check box.
• Click Disable all.
• Click on Apply/OK and restart your PC. (This will put your PC into a Clean Boot State. And configure Windows to use the usual startup, just simply undo the changes.)
• From there, start to isolate the problem by checking which one of the programs you installed recently is the root cause of the problem.

Once you’ve found any incompatible programs, you need to uninstall them. Refer to the steps below to do so.

• In the search box, type in “control” and then click on Control Panel (desktop app) among the search results.
• After that, select Programs and Features from the list which will give you a list of all the programs installed on your computer.
• From there, look for the concerned program and select it and then uninstall it.

Note: If you have downloaded the app from the Windows Store, you can simply right-click on it from the application list and then uninstall it.

Option 2 – Update or rollback drivers

If the first option didn’t work for you, then it’s time to either update or roll back the device drivers. It is most likely that after you updated your Windows computer that your driver also needs a refresh. On the other hand, if you have just updated your device drivers then you need to roll back the drivers to their previous versions. Whichever applies to you, refer to the steps below.

• Open the Devices Manager from the Win X Menu.
• Then locate the device drivers and right-click on them to open the Properties.
• After that, switch to the Driver tab and click on the Uninstall Device button.
• Follow the screen option to completely uninstall it.
• Finally, restart your computer. It will just reinstall the device drivers automatically.

Note: You can install a dedicated driver on your computer in case you have it or you could also look for it directly from the website of the manufacturer.

Option 3 – Try to run the DISM tool

If the first two options didn’t work, then running the Deployment Imaging and Servicing Management might. Using this built-in tool, you have various options such as the “/ScanHealth”, “/CheckHealth”, and “/RestoreHealth”.

• Open the Command Prompt with admin privileges.
• Then type in the following commands and make sure to hit Enter right after you type each one of them:
  • Dism /Online /Cleanup-Image /CheckHealth
  • Dism /Online /Cleanup-Image /ScanHealth
  • exe /Online /Cleanup-image /Restorehealth
• Do not close the window if the process takes a while as it will probably take a few minutes to finish.

Option 4 – Try to stop the Runtime Broker process

The RuntimeBroker.exe or the Runtime Broker process is the one that monitors access to Windows APIs to make sure that the apps do not violate the core security of Windows. This process usually leaves a very small footprint. However, there are times when it consumes more resources than it’s supposed to and does not release memory after the work is done that results in a memory leak. As a result, it affects NTOSKRNL.exe which is why you have to stop the Runtime Broker process. To do so, refer to these steps:

• Tap the Ctrl + Shift + Esc to open the Task Manager.
• After opening Task Manager, go to the Processes tab and look for the Runtime Broker process.
• Once you find it, check if it is using more than 15% of your memory. If it is, then you most likely have an issue with an app installed on your computer.
• Select the Runtime Broker process and right-click on it and then click on the End Task option to end its process.

Option 5 – Try to run the Performance Troubleshooter

• Tap the Win + R keys to open the Run dialog box.
• Type “msdt.exe /id PerformanceDiagnostic” in the field and hit Enter to open the Performance troubleshooter.
• Then click on Next to get started. Wait until the process is completed.

Option 6 – Try using the Windows Performance Toolkit

You can also use the Windows Performance Toolkit in finding the root cause of the problem. Just refer to the following steps to use this toolkit.

• Search for “cmd” in the Cortana Search box and click on Command Prompt from the search results to open it.
• Next, type in the command given below or copy and paste it and then hit Enter:

xperf -on latency -stackwalk profile -buffersize 1024 -MaxFile 256 -FileMode Circular && timeout -1 && xperf -d cpuusage.etl

• After executing the command, wait for at least 60 seconds and then check the logs of the Windows Performance toolkit which is stored in a file named cpuusage.etl in the folder located at C:/Windows/System32. From there, you should see a list of all the causes of the System Resources being hogged.

If you would like to read more helpful articles and tips about various software and hardware visit errortools.com daily.

In case you don’t know, Groove Music is due to retire its OneDrive streaming service this month. Despite that being the case, there is actually a workaround you can try to still continue enjoying music streaming. The app also allows you to play your own local files and if required, you can also modify or tailor the experience with new features – for instance, Groove Music brings an Equalizer to the settings of the app. As the name suggests, the equalizer allows you to tweak frequency responses to your liking. On top of being able to tweak individual bands, the equalizer supports few pre-set settings to enable quick changes. This post will guide you on the process of accessing and using the equalizer in the Groove Music app. To get started, refer to the instructions provided below. Step 1: You need to make sure that you are running the latest version of the Groove Music app or version 10.18011.1211.0 or higher in order to use the equalizer in Groove Music. If needed, you can check the version number from Windows Store. Step 2: Open Windows Store and then click on the ellipses icon and select the Downloads and Updates option. Step 3: Next, search for Groove Music and check its version number. Step 4: Now that you’ve verified the version number of Groove Music, you need to open the equalizer setting. It is enabled by default and to access it, click on the gear icon for Settings and select equalizer under the Playback settings. Step 5: After that, the Equalizer window will pop up. It is where you can configure the equalizer settings using the drop-down menu. Here are the following presets you can choose from:

• Flat
• Treble Boost
• Bass Boost
• Headphones
• Laptop
• Portable speakers
• Home Stereo
• TV
• Car
• Custom

Step 6: Drag the dots upwards or downwards to set your own preferences, as needed. Note: The only downside to this setting is that there is no shortcut available for quick access as you have to navigate through the Settings section manually to access it and change the preset configurations. In addition, the Groove Music app also works on the mobile version of Windows 10.

Windows 7 was an operating system that had one thing which no other Windows had, even today. Official Microsoft desktop widgets. With an attractive design, users loved to exploit the adequacy and neatness of these gadgets. However, Microsoft had to discontinue these gadgets as they posed a serious security threat to the Operating System. It was believed that a potential attacker could even use a gadget to take complete control of your PC. With Windows 10, things have changed big time. You have all the fantastic apps and live tiles at your disposal providing a more native experience. Despite all this, if you still have a fondness for fancy gadgets, we have just the right tool for you to get started with similar “Widgets” on Windows 10. Win10 Widgets is a tool that places the most important information right in front of you, on your desktop.

Win10 Widgets

Win10 Widgets is a desktop app package provided by Rainmeter which is an effective system customization engine for Windows. It brings some informative widgets to Windows 10 which look almost native with their intuitive and sleek design. You can pin them on your desktop to keep an eye on various system figures like CPU usage, data storage, battery usage, detailed computer performance, etc.

Native looking Widgets for Windows 10

These widgets are designed in such a way that it looks totally indigenous to the Windows 10 UI. With a similar design language, visual style, accent color, and even font settings, these widgets almost look like an inseparable system component. You can choose between different size variants to pin on your desktop and arrange them in an orderly fashion to make the most of it.

Highly customizable desktop gadgets

Apart from the default size variants, you can configure several other parameters pertaining to the look and appearance of any widget. As Rainmeter is an open-source program, you are provided with the .ini configuration files which you can customize as per your wish. You can make adjustments to the widget coordinates, position and transparency as well. You can even create your own skins (.rmskin package) using the built-in Skin Packager and publish them for general usage through Rainmeter.

Illustro Skins

Over and above the cool widgets, Rainmeter also contains Illustro, a simple collection of skins that shows the range of Rainmeter’s capabilities. You can load the skins on your desktop for a brief look at your system internals. You can also start editing these skins to make them yours by taking advantage of the Rainmeter manual and forum link provided on the Welcome screen. Win10 Widgets is a great tool if you like widgets or gadgets on your Desktop. It blends into the background and puts the important piece of information right on your desktop without you having to look somewhere else. If you already have the Rainmeter application, you can download the Win10 Widgets .rmskin file from here, else you can download the combined bundle for both Rainmeter and Win10 Widgets from here.

If the Task Manager is either blank or is not showing processes on your Windows 10 computer, then here are a few things you can do to resolve this issue. This kind of problem can occur due to some system file corruption or some malware infection in the system. Here are some suggestions you can try to resolve the problem with the Task Manager on your Windows 10 PC.

Option 1 – Try restarting your computer

The most common and most of the time effective way to resolve this kind of issue is to simply restart your computer. Thus, you have to restart your computer and see if it helps in fixing the Task Manager issue or not. If not, you can try the next given options below.

Option 2 – Run the DISM tool

If the first option didn’t work, then running the Deployment Imaging and Servicing Management tool can help you resolve the issue with the Task Manager as it will repair the Windows System Image as well as the Windows Component Store in Windows 10.

• After you access the Advanced Startup options, select Command Prompt by using the arrow keys on your keyboard.
• Next, type in this command: DISM /Online /Cleanup-Image /RestoreHealth
• Do not close the window if the process takes a while as it will probably take a few minutes to finish.

Option 3 – Make sure that the display columns are selected in the Task Manager

You have to make sure that you have checked or selected the display columns you want to be displayed. So if none of them are selected, you might not see any details at all. Thus, you need to right-click on the space near Name and select the columns.

Option 4 – Run the System File Checker Scan

System File Checker or SFC is a built-in command utility that helps in restoring corrupted files as well as missing files. It replaces bad and corrupted system files with good system files that might be the reason why the Task Manager is blank or is not showing processes. To run the SFC command, follow the steps given below.

• Tap Win + R to launch Run.
• Type in cmd in the field and tap Enter.
• After opening Command Prompt, type in sfc /scannow

The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:

1. Windows Resource Protection did not find any integrity violations.
2. Windows Resource Protection found corrupt files and successfully repaired them.
3. Windows Resource Protection found corrupt files but was unable to fix some of them.

• Restart your computer.

Option 5 – Troubleshot the problem in a Clean Boot State

There are some instances that some conflicting programs installed in your computer might be the one that’s causing the Task Manager issue. To identify which program is causing the problem, you need to put your computer in a Clean Boot State. To do so, follow the steps below.

• Log onto your PC as an administrator.
• Type in MSConfig in the Start Search to open the System Configuration utility.
• From there, go to the General tab and click “Selective startup”.
• Clear the “Load Startup items” check box and make sure that the “Load System Services” and “Use Original boot configuration” options are checked.
• Next, click the Services tab and select the “Hide All Microsoft Services” check box.
• Click Disable all.
• Click on Apply/OK and restart your PC. (This will put your PC into a Clean Boot State. And configure Windows to use the usual startup, just simply undo the changes.)
• From there, start to isolate the problem by checking which one of the programs you installed recently is the root cause of the problem.

Option 6 – Try scanning your computer using Windows Defender

As mentioned, the Task Manager issue might be caused by some malware in the system and so to eliminate the malware, you have to scan your computer using security programs like Windows Defender.

• Tap the Win + I keys to open Update & Security.
• Then click on the Windows Security option and open Windows Defender Security Center.
• Next, click on Virus & threat protection > Run a new advanced scan.
• Now make sure that Full Scan is selected from the menu and then click the Scan Now button to get started.

File Transfer Protocol Server, also known as FTP Server, is a private or public service that can host files that can be accessed both locally and globally. It is a quick, flexible and seamless service that allows you to store any kind of files depending on the total size of the server. If you’ve always found an FTP server useful, then the good thing is you can now create your FTP server since Windows 10 now allows it. You can host this server locally and later on make it globally available via the internet. So if you are planning to set up an FTP server on your Windows 10 computer, read on as this post will guide you on how to do so.

To set up the FTP server, you need to configure it first and then configure the Windows Firewall for the connections to go through. For more details, refer to the following steps:

Step 1: You need to configure the FTP server on Windows 10.

• In the Search box, type in “Turn Windows Features On or Off” to search for it.
• Then click on the appropriate result which will open a mini window.
• From this mini window, scroll down to the list and expand “Internet Information Services where you have to expand the FTP Server section.
• Next, select all the checkboxes to enable all the entries under FTP Server and then click the OK button to apply the changes made.
• And now, since your computer is now allowed to host an FTP server, you need to configure it. To do so, type “Internet Information Services (IIS) Manager” in the Search box and click on the appropriate entry.
• Next, right-click on Sites under the navigation bar of Connections and select Add FTP Site. This will open a new window where you have to input some information about your FTP hosting.
• Now enter the details and click on Next.
• Upon clicking Next, you will be prompted to give some authentication details. Enter the following details in the screenshot below.
• Now click on Finish. After that, you will get an FTP Server being hosted on your Windows 10 PC.

And now that you’ve successfully configured the FTP Server, the next thing you have to do is to allow connections from and to the FTP server. Refer to the next step below. Step 2: Configure the Windows Firewall for FTP connections to pass-through

• In the Start Search, type “Allow an app or feature through Windows Firewall” and click on the related search result which will open a window with all the settings.
• From there, click on the Change Settings button. This will display a list where you have to mark all the checkboxes for the FTP server to enable them in both the Private and Public configurations.
• After that, click OK. This will allow you access to the FTP server on your local network.

In case you don’t know, a teletype network, also known as Telnet, is a protocol that is meant for internet or LAN communication which is used primarily to control other computers effortlessly. And it is available as a command-line utility in Windows and helps users in opening a command-line interface for the remote computer. However, a lot of users have reported an error that states, “Telnet is not recognized as an internal or external command, operable program, or batch file” when you try to use it. If you are one of these users, then you’ve come to the right place as this post will guide you on how to fix this error in Windows 10. This kind of error means that the Telnet utility is not installed on your computer but Telnet is a default feature in Windows 10 so the protocol mainly is not enabled yet. The Telnet client is disabled by default in Windows 10 and to fix this error, you can try to enable the Telnet Client via Programs and Features or try to install Telnet using an elevated Command Prompt.

Option 1 – Try to enable the Telnet Client via Programs and Features

The first thing you can do is to enable the Telnet client using Programs and Features since it is disabled by default. To do that, follow the steps below.

• Tap the Win + R keys to open the Run dialog box and type “appwiz.cpl” in the field and hit Enter to open the Programs and Features window.
• Next, select the “Turn Windows features on or off” from the options given on the left-hand side.
• After that, look for the Telnet client from the list and check the checkbox next to it and then click on OK to save the changes made.
• Now restart your computer.

Option 2 – Try to install Telnet via an elevated Command Prompt

If enabling the Telnet client using Programs and Features didn’t work, then you can try to do it using Command Prompt instead. To get started, follow the steps given below.

• In the Windows Search bar, type “command prompt” in the field and right-click on Command Prompt from the search results, and select the “Run as administrator” option.
• Next, execute this command to enable the Telnet client: dism /online /Enable-Feature /FeatureName:TelnetClient
• Once the command has been executed, close the Command Prompt and restart your computer.