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Re: Monitor "Goes to sleep"
Have you tried to go in thru the control panel and select "display"? From here you can go to the screen saver section and adjust the time it takes for the screen to cut out. Of course you want to use a monitor that you can read before you set up both of your screens.. See if that helps....
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when the computer enter the sleep mode, it is possible that the computer remove the check mark from this output activation.
When you have multiple ouptut like a internal LCD and output on a monitor, when going into sleep then waked up, laptop reactivate the internal LCD without reactivated the secondary monitor.
you could need to go in desktop property and reactivate the secondary monitor with the check mark listed : Activate.
If you only have one monitor but still a dual output card or two separate video card same thing can happend. try to connect the monitor on the second VGA or HDMI output and see if the video goes there.
then reactivate your secondary output and make it principal.
Does also happend when your computer is connected to a UPS power and your monitor is directly on the sector. (laptop issu also)
if a brief power outage arrive then the monitor shut down (no power) and the computer continu, as there is no monitor on the output any more Windows will automatically deactivate this monitor. when power goes back, this output is no longuer providing video. I suggest putting the monitor on a UPS as well.
Unfortunately, this is a standard problem, as when your laptop goes into sleep mode, it shuts off power to the secondary monitor, without giving it the signal to go into sleep mode. You could try digging around your settings, but most likely you'll just need to turn off the monitor when you're not using it.
this sounds like the screen may be trying to display a resolution higher than the screen can support. Try booting up in safe mode and seeing if you can see your desktop. Also is this the only monitor connected to your PC or is this a dual screen setup? If it is dual screen you may not have your second montor turned on.
Does it do the same when it is hooked up to desk top PC?<br />
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I see many monitor with that trouble.
When you turn on comp., you can have a picture on monitor about 10-30 min. and that go in black screen, or If you change resolution again go in black screen.
You must repair monitor or bay another.
Open your cpu cabinet.
refix your RAM memory .
Pull cmos cell for 10 minutes so all settigns are defaults.
Also remove PCI cards from PCI slot .
Let me know if you need more assistanse.
Make sure the laptop's external VGA port is turned on. There will be a function key somewhere on the keyboard (location varies by manufacturer and model) that controls the connector. If the connector has gotten turned off the external monitor will go to sleep because it's not getting any input.
Your monitor is operating normally. After Windows starts it is setting the video resolution to something outside of the monitor's range. That's why you see the Windows splash screen, then the message from the monitor about the settings. Most likely the computer was used before with a monitor that had a wider range of resolutions available.
Restart the computer. When the manufacturer's logo screen appears, press the F8 key three or four times. This should get you a startup menu screen. Pick the option of starting in VGA mode, and Windows will start with video settings that your monitor supports.
I had a similar problem whereas my monitor went to sleep mode after a few minutes. I'm running an HP LP 2065 in dual mode with another HP flat screen. However, I did resolve the issue after resetting the output settings.
How to do that:
right mouse click on the desktop
select graphic options
Maybe some changings/modification will help you too.
i had the same problem with my technosonic, power leads lit up but no power to monitor. was about to throw it away when i realised my laptop lead would fit monitor, so as one last ditch attempt i plugged it in and lo and behold the monitor came on. so the problem was the power lead, even though it lit up and appeared to be working,not the monitor.