Windows 10: I forgot the following registry initial values....

I forgot the following registry initial values.\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\l1vhlwf -> startI'm assuming it's 0,1 or 2, but let me know. it's Windows 11 24H2.

:)

 

How to restore registry values?

Hello,

Thank you for posting your query on Microsoft Community.

You can perform system restore and check if it helps:

Perform System restore.

I suggest you to perform system restore and select a date prior to the changes which was done with the registry values and check if the issue gets fixed.

To perform System restore:

• Press Windows key + X, select
  System.
• In the left pane, click on System Protection.
• Select the option to system restore
  > next. It will show all restore points already created.
• Select the date prior to the date on which you have made the registry changes.

Registry disclaimer

To do so: Important this section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these
steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article
in the Microsoft Knowledge Base:

322756 (How to back up and restore the registry in Windows - Microsoft Support )

How to back up and restore the registry in Windows



Try the above step and let us know the status of the issue. We will be glad to assist you further.

Thank you.

 

How to change TDR values and edit "Registry keys".

Hello Ahmed.Ahmed.Mohammed

Welcome to Microsoft Community.

According to your current needs, it seems that there are some questions about the process of editing the "TDR values" of the GPU. I will try to answer your questions in terms of text or pictures. Because the community can only provide this type of support, assuming you need support personnel to help you through remote assistance, we also provide phone support. Regarding how to obtain phone support, the following articles may be helpful to you:

Global Customer Service phone numbers - Microsoft Support

Generally Speaking, TDR stands for Timeout Detection and Recovery and it is a feature of Windows that detects when the GPU is taking too long to complete a task and tries to recover from the situation.

To edit the TDR values, you need to modify some registry keys under

The registry keys are:

• TdrLevel: Specifies the initial level of recovery. The default value is 3, which means recover on timeout.
  
• TdrDelay: Specifies the number of seconds that the GPU can delay the preempt request from the GPU scheduler. This is effectively the timeout threshold. The default value is 2 seconds.
  
• TdrDdiDelay: Specifies the number of seconds that the OS allows threads to leave the driver. After a specified time, the OS bug-checks the computer with the code VIDEO_TDR_FAILURE (0x116). The default value is 5 seconds.
  
• TdrDebugMode: Specifies the debugging-related behavior of the TDR process. The default value is 2, which means recover without breaking into the debugger.
  

To modify these registry keys, you need to follow these steps:

1. Open the Run dialog box by pressing Windows + R keys on your keyboard.
   
2. Type regedit and click OK to open the Registry Editor.
   
3. Navigate to the following path:
   
   HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\GraphicsDrivers
   
4. By expanding the folders on the left pane.
   
5. Right-click on an empty space on the right pane and select New > DWORD (32-bit) Value.
   
6. Name the new value as one of the registry keys mentioned above (for example, TdrDelay).
   
7. Double-click on the new value and enter a desired value in the Value data field (for example, 10 for 10 seconds).
   
8. Click OK to save the changes.
   
9. Repeat steps 4 to 7 for any other registry keys you want to modify.
   
10. Close the Registry Editor and restart your computer for the changes to take effect.
    

Disclaimer: Generally, modifying registry subkeys or work group is intended for advanced users, administrators, and IT Professionals. It can help fix some problems, however, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For further protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click here to view the article.

I hope this helps you with your issue. If you have any further questions, please let me know.

Best regards,



Chandy |Microsoft Community Support Specialist

 

ForcedReboot Registry Key Value

Hi Daniel,

ForcedReboot is one of the subkeys in the registry. Subkeys contain data entries called values. The presence of a value on a key is a form of data that an application requires for it to run. An application opens a key and uses the values associated with
the key to perform specific functions. A key can have any number of values, and the values can be in any form.

You can visit these links for further information about registry values:

• Registry Value Types.
• Registry Element Size Limits.

Note: We do not recommend navigating and editing the values of the keys and subkeys in the registry. Changing the values of the keys and subkeys in the registry might cause serious system issues.

We would like to ask if you are experiencing any issues on your Windows device. Since you are interested on finding what the value of a subkey stands for, we think that you are trying to troubleshoot your computer. If in case you are having any errors or
issues with your Microsoft products, let us know so that we could assist you further.

We are looking forward to your response.