I have a Dell 19" M990 monitor.

I leave my computer running, and lately the monitor has begun failing to come on when I click monitor's ON button. I must shut off the computer and restart it in order to get the monitor to come on. It will also sometimes fail to come on with a mouse movement after sitting in its sleep mode. Shutting off and restarting the computer seems, again, my only option.

Anybody?

Your prob might be caused by the "Power Option" settings needing a tweak or reset? (Normally very stable) Easy to alter.
These control the Sleep/Hibernation mode settings on your Monitor
Please post what Sort of Windows your Computer is running ?

It's Windows 98

Hi Minnesota
I found this not great...but set the settings slightly different then press the "Apply" and then the "OK" buttons,reset the computer then put your "old" or desired settings back again press the "Apply"/"OK" buttons then do another "reset"
Should take you about 10 mins tops
Then see how it goes?

quote:

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Q:Why does my monitor go black after about 15 minutes of not using the computer?
A:
Windows has a Power Management setting that will shut your monitor off after a specified amount of time. If you don't like when it's shutting the monitor off, you can change it by doing the following:

Win 95/98/ME/2000

1. Hit the Start button>Settings>Control Panel. Then open the Power Management icon.
XP Users
1. Hit the Start button> Control Panel> Power Options.
Everyone -
2. Look for the "Turn off monitor" drop box (it's towards the bottom). Select the amount of time you want the computer to wait before shutting off the monitor, or tell it not to shut the monitor off at all.

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Thanks bedsor, I'm trying your suggestion. I'll see in a few days if it worked.