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What causes monitor to go into standby?

B

BZeto

Platinum Member
I have a lab of about 22 Dell Optiplex systems with 15" LCD monitors. All of them but 4 work fine. 4 of them randomly go into a standby type mode where the monitor just shuts off (except for the orange light on the front). Nothing but a hard reset will bring it out of this state, and even after that they will go into their standby mode soon after.

IT IS NOT A WINDOWS ISSUE. It happens when it is sitting at the bios or post screen, or when loading the OS. When I say it goes into a 'standby' mode, that is about all I can compare it to, I'm not sure if it really is some sort of Standby or not. I checked through the bios settings and everything looks ok, it is the exact same as the other 18 workstations that function fine. I'm fairly sure its a hardware problem. I guess it could be the video card?

I'll also try a reflash on the bios's. I just wanted to check here and see if anyone had some suggestions.

Thanks
 
Originally posted by: BZeto
I have a lab of about 22 Dell Optiplex systems with 15" LCD monitors. All of them but 4 work fine. 4 of them randomly go into a standby type mode where the monitor just shuts off (except for the orange light on the front). Nothing but a hard reset will bring it out of this state, and even after that they will go into their standby mode soon after.

IT IS NOT A WINDOWS ISSUE. It happens when it is sitting at the bios or post screen, or when loading the OS. When I say it goes into a 'standby' mode, that is about all I can compare it to, I'm not sure if it really is some sort of Standby or not. I checked through the bios settings and everything looks ok, it is the exact same as the other 18 workstations that function fine. I'm fairly sure its a hardware problem. I guess it could be the video card?

I'll also try a reflash on the bios's. I just wanted to check here and see if anyone had some suggestions.

Thanks
Click to expand...

i assume you tried turning standby off?
 
Originally posted by: GG705
Have you tried

Control Panel >> Power Options >> Setting for Home/Office Desk Power Scheme ?
Click to expand...

He said it happened outside of windows so this option would be null. I would say it's a hardware issue. The "standby" mode might be the monitor not getting a signal due to the computer locking up. This is typical when a video signal is cut off from the monitor. Try other monitors just to make sure then try another video card.

 
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