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Sunday, April 4th, 2010 01:58 pm
Tried to wake up my computer from sleep mode the other day - monitor never came back on.

Connected monitor to a different computer, and it works. So apparently, I have a situation where my PC, on boot up, is not recognizing the presence of a monitor. (DVI Without any sort of display, this makes troubleshooting extremely hard.

Anybody ever heard of this one?
Sunday, April 4th, 2010 19:28 (UTC)
I had something strange happen with Vista a just few weeks ago. The computer went into sleep mode and then I had much difficulty getting it to come back. The problems I had went away once I got the computer out of sleep mode and turned off completely. The software turn-off feature was malfunctioning for some reason and kept putting the computer to sleep instead.

In the situation you describe, which sounds a little different, I'd usually try starting the computer without the peripheral attached, then start it again with it to try to get the plug-and-play feature to start over.
Sunday, April 4th, 2010 22:49 (UTC)
My Vista laptop has had the same problem and I've only found 3 things that work

(1) When it first started happening repetitive - ALT-TABs would wake it up, but that hasn't worked for me in a while.

(2) Then I would hold the power button down to get it to "wake up", but that doesn't work anymore either... so I

(3) Set the PC to stay on all the time (never sleep)

Luckily - I have almost enough money in my piggy bank for an iMac! Good luck Dave!
Monday, April 5th, 2010 00:27 (UTC)
I had this happen once. If you have a VGA port on your monitor and graphics card, try connecting with a VGA cable. If that gets you an image, reconnecting with a DVI cable may work after Vista recognizes the monitor as there.
Monday, April 5th, 2010 02:29 (UTC)
No luck. I only have DVI on the card.