keyboard backlight does not work

[halfstone_dh]

Keyboard backlight does not work.  

Performed a complete system re-install using HP tools; factory reset for this model.  Downloaded tool from HP, used USB drive. 

Windows Version 10.0.17134 Build 17134

All Windows Updates are up-to-date

Upgraded the BIOS

Ran the HP hardware diagnostic for the keyboard, all keys passed. 

Went into BIOS, disabled "action keys", tried Fn + F5; re-enabled "action keys", tried just "F5"; nothing turns on the lights.  

[praveenbv]

@halfstone_dh, Welcome to the HP Support Community!

Turn on or off the backlight

If your notebook computer has a backlit keyboard, press the F5 key on the keyboard to turn the light on or off. It might be necessary to press the Fn (function) key at the same time.

If the backlight icon  is not on the F5 key, look for the backlit keyboard key on the row of function keys.

If you still have issues, continue troubleshooting.

Re-install the keyboard driver

1) In Windows, search for and open Device Manager.

2) Double-click Keyboards.

3) Right click on the keyboard drivers and click on uninstall.

4) Restart the computer. 

Also, try running the updates.

Step 1: Windows Updates

1) In the search box, type, and open Windows Updates. 

2) Check for updates. 

3) If the updates are available, click on install and restart the computer. 

Step 2: HP Support Assistant Updates

1) In the search box, type, and open HP Support Assistant. 

2) Check for updates. 

3) If the updates are available, click on install and restart the computer. 

Hope this helps! Keep me posted. 

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