Can't toggle LCD brightness when graphic driver is installed

W500/510/520 and W700/710 series specific matters only
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Cola
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Can't toggle LCD brightness when graphic driver is installed

#1 Post by Cola » Sat Sep 22, 2012 1:55 pm

Hi all

I guess the subject describes my problem pretty well, so just in short:

When the AMD graphics driver is installed, I can't toggle the LCD brightness at all. If I uninstall the driver, it works without any problems, but if I then reinstall it again, it stops working immediately.

Anyone in here know a fix for this problem?

Regards
Frederik
Current:T510, X201i, T400s, X61s Dell Vostro 1500

Past: T430, W520, T520i, T420, X220T, 3x X220, 2x X220i, 2xT410, T510i, 2x W500, T500, T400, 3x X61s, 3x T61p, 2xT61, T60, X41, 2x T43p, 2x T43, T41p, T41, T40, 600E
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QWERTY Andreas
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Re: Can't toggle LCD brightness when graphic driver is installed

#2 Post by QWERTY Andreas » Sun Sep 23, 2012 1:23 am

Install the latest driver

best regards
Thinkpad W500 (2.53 GHz P8700, 4 GB RAM, FireGL V5700, WUXGA)
Thinkpad T61F 14" (2.53 GHz QX9300, 6 GB RAM, Quadro FX570m 256 MB, SXGA). Advanced dock with AMD Radeon HD7750
Custom build ITX desktop (i5 4590, 8GB RAM, AMD R7 260X, custom watercooling)
Thinkpad 8, Fujitsu F-07C

FS: T61F
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Cola
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Re: Can't toggle LCD brightness when graphic driver is installed

#3 Post by Cola » Sun Sep 23, 2012 3:26 am

QWERTY Andreas wrote:Install the latest driver

best regards
Hi, I've already got the latest available driver for the graphics card, V 12.6 IIRC.
Current:T510, X201i, T400s, X61s Dell Vostro 1500

Past: T430, W520, T520i, T420, X220T, 3x X220, 2x X220i, 2xT410, T510i, 2x W500, T500, T400, 3x X61s, 3x T61p, 2xT61, T60, X41, 2x T43p, 2x T43, T41p, T41, T40, 600E
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QWERTY Andreas
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Posts: 460
Joined: Tue Nov 03, 2009 2:40 am
Location: Copenhagen Denmark

Re: Can't toggle LCD brightness when graphic driver is installed

#4 Post by QWERTY Andreas » Sun Sep 23, 2012 4:09 am

Have you tried "system update" to find the latest driver?
Thinkpad W500 (2.53 GHz P8700, 4 GB RAM, FireGL V5700, WUXGA)
Thinkpad T61F 14" (2.53 GHz QX9300, 6 GB RAM, Quadro FX570m 256 MB, SXGA). Advanced dock with AMD Radeon HD7750
Custom build ITX desktop (i5 4590, 8GB RAM, AMD R7 260X, custom watercooling)
Thinkpad 8, Fujitsu F-07C

FS: T61F
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Cola
Junior Member
Junior Member
Posts: 270
Joined: Wed Aug 01, 2012 4:16 am
Location: Ry, Denmark

Re: Can't toggle LCD brightness when graphic driver is installed

#5 Post by Cola » Sun Sep 23, 2012 5:06 am

QWERTY Andreas wrote:Have you tried "system update" to find the latest driver?

Oh, didn't think about that. Will give it a try. Thanks :thumbs-UP:
Current:T510, X201i, T400s, X61s Dell Vostro 1500

Past: T430, W520, T520i, T420, X220T, 3x X220, 2x X220i, 2xT410, T510i, 2x W500, T500, T400, 3x X61s, 3x T61p, 2xT61, T60, X41, 2x T43p, 2x T43, T41p, T41, T40, 600E
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Cola
Junior Member
Junior Member
Posts: 270
Joined: Wed Aug 01, 2012 4:16 am
Location: Ry, Denmark

Re: Can't toggle LCD brightness when graphic driver is installed

#6 Post by Cola » Sun Sep 23, 2012 12:03 pm

Okay, I've reinstalled the newest driver once again, also tried to update everything from the Update Manager, still not working. :?
Current:T510, X201i, T400s, X61s Dell Vostro 1500

Past: T430, W520, T520i, T420, X220T, 3x X220, 2x X220i, 2xT410, T510i, 2x W500, T500, T400, 3x X61s, 3x T61p, 2xT61, T60, X41, 2x T43p, 2x T43, T41p, T41, T40, 600E
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