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Monitor goes to sleep every 15 seconds!

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Has anybody seen this??

Customer brought in computer (Lenovo with Win7) and I was told there was a video issue, that the monitor was showing a "no signal" all the time. Booted and it ran fine, then while running updates I noticed that the monitor would power off fairly quickly.

I looked at the power settings, it was set to Performance. I clicked on plan settings and under Monitor goes to sleep option the selection was set to ">1 (Under 1 minute)" !!! I changed it to a more reasonable 30 minutes, and the "Under 1 minute" option disappeared!

Can anyone shed light on this? Where did this setting come from??



Thanks!

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