Can't change the brightness of screen

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F

faye

Platinum Member
Sep 13, 2000
2,109
1
81
Hi,
just installed windows 7 on my VAIO SZ
when i try to change the brightness by holding fn+brightness keys, it won't have any effect. The only way now to change the brightness is clicking the power icon on system tray.

I want to know which program from SONY or microsoft that i should download to enable this function.

by the way, the s1 and s2 key now is not working, i have searched the web, but i still can't find a solution.

Can anybody help me ?
 
F

faye

Platinum Member
Sep 13, 2000
2,109
1
81
not only that, all function keys are not working infact. Such as hibernate, switching screens...
 
T

ther00kie16

Golden Member
Mar 28, 2008
1,573
0
0
you need to download and install the utility from sony's website. they may not have one for win7 yet but either xp or vista versions will probably work.
 
T

ther00kie16

Golden Member
Mar 28, 2008
1,573
0
0
well, it'd be either keyboard or sony utilities. my guess it'd be under some general sony utilities title.
 
F

faye

Platinum Member
Sep 13, 2000
2,109
1
81
installed the sony utilities, but nothing happened.
can't find anything for the keybaord. By the way, i have looked under vista driver.
 
F

faye

Platinum Member
Sep 13, 2000
2,109
1
81
the model is VGN-SZ640
the only fn+ key i can use is to control the volume/mute.
Any other things like brightness, hibernation, LCD/projectile are simply not working.
 
F

faye

Platinum Member
Sep 13, 2000
2,109
1
81
ther00kie16,
thank you very much, however i have already installed this earlier, but nothing happened.
 
heymrdj

heymrdj

Diamond Member
May 28, 2007
3,999
63
91
I have this problem on my HP that i took to Windows 7 from Vista Ultimate. It can't use any function keys either.
 
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