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helloguys
Token Ring
Posts: 131
Registered: ‎05-02-2009
Location: USA
Views: 3,365
Message 1 of 4

W500: On Screen Display stopped working

I have a Thinkpad W500 (model 4061-B13) with Windows XP SP3.

 

I don't know why, but the OSD (On Screen Display) stopped working.  The hotkey still functions well.  I can use Fn key to change volumes, brightness.  But there's no indicators on the screen.

 

I searched many forums but couldn't get a workable solution.

 

Here are the options I tried:

 

Option #1 Uninstall/Reinstall drivers in *specific* order (http://forum.thinkpads.com/viewtopic.php?f=48&t=74170).

 

Option #2 Modify the HKEY_LOCAL_MACHINE\SOFTWARE\IBM\TPHOTKEY\OnScreenDisplay registry

 

Option #3 Uninstall/Reinstall video and audio drivers.

 

Any pointer would be appreciated!

 

Michael

 

Moderator note: Type added to subject line for clarity.

 

Message Edited by Agotthelf on 04-05-2009 09:37 AM
helloguys
Token Ring
Posts: 131
Registered: ‎05-02-2009
Location: USA
Views: 3,364
Message 2 of 4

Re: On Screen Display stopped working

Scratch that.  The solution was delete the whole registry key "HKEY_CURRENT_USER\Software\IBM\TPHOTKEY\OnScreenDisplay".  The parameters in this key was somehow messed up.  Instead of trying to fix the parameters, we can just delete the whole key.   Log out the current user and log back in (so the changes can take effect).

 

Hope this helps!

 

Michael

PanEuropean
RAID Mirror
Posts: 488
Registered: ‎02-17-2009
Location: Vancouver Island
Views: 3,264
Message 3 of 4

Re: On Screen Display stopped working

Thanks very much for posting this solution, it solved a very persistant problem that has baffled me for months.

(another) Michael
W520 (4270 CTO), which replaced a W500 (4062-27U), which replaced a T42P, which replaced an A21P...
Slammer31p
Punch Card
Posts: 13
Registered: ‎08-22-2008
Location: Ohio
Views: 3,188
Message 4 of 4

Re: On Screen Display stopped working

This solved the same problem on my system.

 

Thanks.

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