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KS62
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Solved!

Keyboard backlight

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ENVY 4-1256er
Microsoft Windows 10 (64-bit)

The keyboard backlight does not turn off. The backlight button on the keyboard responds (brightness changes). How to solve this problem or completely turn off the backlight physically.

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KS62
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000.jpgDismantled the laptop, found a backlight cable and turned it off.

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The_Fossette
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@KS62,

 

Welcome to the HP Support Community!

 

I recommend you download and install the HP quick launch software from the below link and check if it helps.

 

https://ftp.hp.com/pub/softpaq/sp59501-60000/sp59927.exe

 

If you continue facing the issue, I recommend you uninstall the keyboard driver from device manager and then restart the computer and check.

 

Here is how it is done.

 

  1. Type "Device Manager" into the search field to open the device manager console.
  2. Expand the node that represents the type of device that you want to uninstall, right-click the device entry, and click Uninstall.
  3. On the Confirm Device Removal dialog box, click OK to start the uninstall process.
  4. When the uninstall process is complete, remove the device.

NOTE: On the Confirm Device Removal dialog box, click the Delete the driver software for this device option to delete the driver package that was used for the device.

 

Let me know how it goes and you have a great day!

 

If you wish to show appreciation for my efforts, mark my post as Accept as Solution. Your feedback counts!

 

Cheers!

 

The_Fossette
I am an HP Employee

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KS62
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Followed the recommendations. Without changes.

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The_Fossette
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@KS62,

 

I recommend you perform a system restore back to the date when everything was working fine.

 

Follow the steps in the below article to perform a system restore.

 

https://support.hp.com/in-en/document/c03327545

 

If you wish to show appreciation for my efforts, mark my post as Accept as Solution. Your feedback counts!

 

Cheers!

The_Fossette
I am an HP Employee

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KS62
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Reinstalled the system, did not help. I think it’s necessary to somehow interrupt the backlight power circuit.

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The_Fossette
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@KS62,

 

It looks like a hardware malfunction. I recommend you contact support to check the available service options for your computer.

 

Here is how you can get in touch with support.

1)Click on this link – www.hp.com/contacthp/

2)Select the product type.

3)Enter the serial number of your device or select let HP detect your product option.

4)Select the country from the drop-down.

5)You should see the HP phone support number or Chat option listed.

 

Cheers!

The_Fossette
I am an HP Employee

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KS62
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000.jpgDismantled the laptop, found a backlight cable and turned it off.

View solution in original post

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The_Fossette
HP Support Agent
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@KS62,

 

Perfect, I am really glad to hear that the issue is resolved. However, this is disable the back light permanently.

 

If any other questions arise, please feel free to write back to me.

 

Cheers!

The_Fossette
I am an HP Employee

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KS62
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Thanks for the help, this solution suited me.

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The_Fossette
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@KS62,

 

You're welcome!

 

Cheers!

The_Fossette
I am an HP Employee

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