Windows 10: Mysterious Display registries

What are these registeries used for?



[COLOR=rgba26, 26, 27, 1]Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\EnergyEstimation\Display[/COLOR]


[COLOR=rgba26, 26, 27, 1]DisplayBacklightPowerFloor[/COLOR]

[COLOR=rgba26, 26, 27, 1]DisplayBacklightPowerGradient[/COLOR]

[COLOR=rgba26, 26, 27, 1]DisplayBacklightPowerQDenominator[/COLOR]

[COLOR=rgba26, 26, 27, 1]DisplayBacklightPowerQNumerator[/COLOR]

[COLOR=rgba26, 26, 27, 1]DisplayPanelPowerAreaFactor[/COLOR]

[COLOR=rgba26, 26, 27, 1]DisplayPanelPowerDpiFactor[/COLOR]

[COLOR=rgba26, 26, 27, 1]DisplayPanelPowerFloor[/COLOR]

[COLOR=rgba26, 26, 27, 1]DisplayPanelPowerVsyncDelta[/COLOR]

:)

 

Registry editing

Hello,

This issue may have occurred after one of the following situations:

• You upgrade the Windows operating system.
• You install or uninstall CD or DVD recording programs.
• You uninstall Microsoft Digital Image.

Given that, we suggest performing the methods in this article:
Your CD or DVD drive is not recognized by Windows or other programs.
The resolutions that are listed in that article may help solve some instances but not all instances of this problem.

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, refer to the following Microsoft Knowledge Base
article.

Feel free to update us with the results.

 

Display was not migrated

Hi,

I understand the above solution didnt work so as to next step in solving your issue I suggest you follow the below.

Step 1:

Go to search box next to Windows icon and type Device Manager

Step 2:

Under Device Manager expand Display Adapter

Step 3:

Right-click on Adapters listed one by one and select Properties

Step 4:

Select the Drivers tab

Step 5:

Click on Uninstall Device

Step 6:

Repeat step 3 to 5 for all listed adapters under Display Adapter

Step 7:

Restart PC and verify

Let me know the status after performing the above.

Regards

Shuaib

Independent Advisor

 

Display driver not supporting and device manager not showing Display adapter option

Hi Maheen,

Thank you for posting in Microsoft Community.

This issue could have occurred due to these reasons:

• Incorrect settings.
• Corrupt or outdated display driver.

Try the steps listed here and check if it helps:

Method 1:

I suggest you to download and install all the available Windows Updates including Optional Updates. Check if it helps.

Method 2:

If the issue persists, i suggest you to uninstall and re-install latest display driver from the computer manufacturer website and check if it helps.

Step 1: Uninstall display driver.

• Right-click on the Start Button and click on
  Device manager.
• Double-click on Display Adapters to expand.
• Right-click on the display adapter driver that is listed and select properties.
• In the window opened, click on drivers tab.
• In the drivers tab, Click on Uninstall option.

Now restart your computer and check, if the problem persists try step 2.

Step 2:

Re-install display driver from the manufacturer website.

Let us know if the issue is resolved or if you need further assistance, we will be glad to help.