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2 Posts

05-07-2008

USA

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  • Posts: 2
  • Registered: ‎05-07-2008
  • Location: USA
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A21p ThinkPad - LCD monitor turns off after few secs, external monitor doesn't

2008-05-07, 5:37 AM
The LCD monitor turns off after a few seconds, with the message, "Monitor is turning off."  Pressing and holding Fn-F3 for a few seconds and releasing them sometimes makes it turn on again, but then it turns off again after a few more seconds.  As a test, I plugged in an external monitor and hit Fn-F7 to make both monitors come on.  The external monitor stays on, but the LCD turns off as before.

Power settings are set for "never" on all functions, hiberbation is disabled.

Does anyone have any ideas why this is happening?

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7651 Posts

11-24-2007

USA

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  • Posts: 7651
  • Registered: ‎11-24-2007
  • Location: USA
  • Views: 103093
  • Message 2 of 2

Re: A21p ThinkPad - LCD monitor turns off after few secs, external monitor doesn't

2008-05-20, 4:05 AM
Welcome to the forum!
 
I suspect a motherboard problem here. The output to the LCD is digital, where VGA one is analog. I've seen machines with bad motherboards that were still able to project to an external monitor.
Run a PC-Doctor on all components of the system, and see what results you get...
 
Good luck and let us know.
Cheers,

George




In daily use: R60F, R500F, T61, T410

Collecting dust: T60

Enjoying retirement: A31p, T42p,

Non-ThinkPads: Panasonic CF-31 & CF-52, HP 8760W




Starting Thursday, 08/14/2014 I'll be away from the forums until further notice. Please do NOT send private messages since I won't be able to read them. Thank you.
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