NO BRIGHTNESS ADJUSTMENT

No brightness setting in Windows XPS 14 (L421X, mid-2012) 10. Had this same problem in Windows 8/8.1. Before, using the obsolete driver of Dell to replace a newer Intel reduced the brightness control feature.

Dell has released their (already obsolete) drivers for this laptop for Windows 10, and he is listed as being supported for Windows 10. There the chances that we can get some drivers work?

Intel HD Graphics 4000 and Windows 10 and Windows 8.1 (correction of brightness with the last driver)

Correction of brightness with driver day 17/08/2015)

Problem solved the brightness

Intel HD Graphics with graphics NVIDIA® GeForce® GT650M 4000.

Install:

Intel HD Graphics 4000 Driver, Driver Date: 17/08/2015

Driver version: 10.18.10.4276

Make sure that you back up your registry first before continue!

Open regedit in the command run

Registry has an incorrect value:

Reads as:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\ {4d36e968-e325-11ce-bfc1-08002be10318} \0000] "FeatureTestControl" =.

"Edit DWORD 32-bit" = f000

Register with the new value:

You need to change the registry value to: (f008)

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\ {4d36e968-e325-11ce-bfc1-08002be10318} \0000] "FeatureTestControl" =.

"Edit DWORD 32-bit" = f008

Then restart the computer

Brightness sets with the latest driver.

I would like to know if this was useful for you

Tags: Dell Laptop

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    Lorien - MCSA/MCSE/network + / has + - if this post solves your problem, please click the 'Mark as answer' or 'Useful' button at the top of this message. Marking a post as answer, or relatively useful, you help others find the answer more quickly.

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