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Issue with adjusting brightness on Windows 8.1

Issue with adjusting brightness on Windows 8.1

M
MMASTER7
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227
04-24-2016, 12:04 PM
#1
Hey everyone, my Asus X54HR has an Radeon HD 7470M graphics card inside. After switching to Windows 8.1, the brightness control stopped working. Now I can just pick full brightness or turn off the screen. I've been searching online for a solution without much luck, so you're probably my last chance! I've installed the newest ATK package for Windows 8.1 64-bit (includes ATKACPI driver and hotkey utilities version V1.0.0034). I also installed the latest AMD Catalyst Control Center software (details below). Version of the software: 13.251.9001-140423a-171190E-ATI Catalyst-versie 14.4. The source is Advanced Micro Devices, Inc., version 2D-stuerprogramma 8.01.01.1360. It should be registered at REGISTRY/MACHINE/SYSTEM/ControlSet001/Control/Class/{4d36e968-e325-11ce-bfc1-08002be10318}/0000 Direct3D-version 9.14.10.01001 OpenGL version 6.14.10.12618. I really hope this helps, and I'm happy to give you more if needed.
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M
MMASTER7
04-24-2016, 12:04 PM #1

Hey everyone, my Asus X54HR has an Radeon HD 7470M graphics card inside. After switching to Windows 8.1, the brightness control stopped working. Now I can just pick full brightness or turn off the screen. I've been searching online for a solution without much luck, so you're probably my last chance! I've installed the newest ATK package for Windows 8.1 64-bit (includes ATKACPI driver and hotkey utilities version V1.0.0034). I also installed the latest AMD Catalyst Control Center software (details below). Version of the software: 13.251.9001-140423a-171190E-ATI Catalyst-versie 14.4. The source is Advanced Micro Devices, Inc., version 2D-stuerprogramma 8.01.01.1360. It should be registered at REGISTRY/MACHINE/SYSTEM/ControlSet001/Control/Class/{4d36e968-e325-11ce-bfc1-08002be10318}/0000 Direct3D-version 9.14.10.01001 OpenGL version 6.14.10.12618. I really hope this helps, and I'm happy to give you more if needed.

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L
Lucky_Arnout
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158
04-29-2016, 02:55 AM
#2
Also shared these files: DxDiag.txt, DxDiag.txt
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L
Lucky_Arnout
04-29-2016, 02:55 AM #2

Also shared these files: DxDiag.txt, DxDiag.txt

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C
Chester09
Senior Member
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491
04-29-2016, 08:47 AM
#3
Updating the BIOS might resolve the issue. Check the official site for details.
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C
Chester09
04-29-2016, 08:47 AM #3

Updating the BIOS might resolve the issue. Check the official site for details.

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3
3gilad3
Senior Member
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735
04-29-2016, 09:01 AM
#4
I could attempt it, though I've never modified a bios before. Are there any helpful guides you recommend?
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3
3gilad3
04-29-2016, 09:01 AM #4

I could attempt it, though I've never modified a bios before. Are there any helpful guides you recommend?

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S
SlightlyRac00n
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194
04-29-2016, 05:51 PM
#5
It indicates your bios is outdated compared to the latest available on the site. The highlighted warning states: "Warning: The BIOS-file is older than the current version." Click [Exit] to proceed.
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S
SlightlyRac00n
04-29-2016, 05:51 PM #5

It indicates your bios is outdated compared to the latest available on the site. The highlighted warning states: "Warning: The BIOS-file is older than the current version." Click [Exit] to proceed.

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I
iWonderTiger
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137
04-29-2016, 06:35 PM
#6
Visit Leshcatlabs.net and use the UniFL Brightness Resolver tool.
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I
iWonderTiger
04-29-2016, 06:35 PM #6

Visit Leshcatlabs.net and use the UniFL Brightness Resolver tool.

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