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The computer will power up, however, the monitor will stay black and say "Monitor going to sleep." It works sometimes, but the screen will get look really pixally.

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Check the cord between your monitor and the computer, and try replacing it.
you could also try installing the latest graphics driver for your pc

Posted on Jul 27, 2008

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Monitor immediately goes to sleep. Tower shuts down from unplugging it.


have you tryed starting up in safe mode to see if you can get into your windows?

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I have a dell dimension 4600 computer. I usually put the computer in sleep mode when I am not using it. Usually I press the ESC button and the computer wakes up. All of a sudden, the monitor won't...


Plug the monitor into another computer to determine if the monitor is damaged or working properly. You can also plug another monitor into your computer to determine the same thing.

May 21, 2011 | Dell Dimension 4600 PC Desktop

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Monitor stays in sleep mode?


when you disconnect the monitor from the PC do you see the self test appear on the screen? if you do then the monitor is working fine.
the issue is most likely that the computer's screen resolution is too high and your monitor cannot output that resolution , so it stays a blank screen or in 'sleep' mode as you described.
youd need to go into either Safe Mode when booting the system or find another monitor preferably a newer model to connect your computer to and decrease the resolution before connecting your monitor.

Apr 24, 2011 | Compaq PC Desktops

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Monitor keep going into "sleep" mode


Check the power setting in control panel of windows. If you have a monitor from another computer swap them and see if the problem stays with the computer or monitor.

May 12, 2009 | Dell Dimension 3100 PC Desktop

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NEC Monitor turns off


Look at your power saving settings. It appears you have your computer monitor to go to sleep. I would change it to never sleep

Apr 19, 2009 | PC Desktops

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My screen acts in sleep mode when computer is turned on


It is likely not a problem with the monitor, because the lights indicate that the monitor is turned on.

It may be a video card problem. Do you know if you have a video card, or if it is integrated graphics? Check all of the connections from the monitor to the computer. If you can connect the monitor to another computer and it works, then it is definitely your computer.

Very, very unlikely, but it could be that you're using a damaged cable. If you have another one on hand, try it. If not, don't go and buy one because this likely isn't the problem.

Another thing you could try is turning the computer off, unplugging the power cable (going to your computer), and hold the power button for about 30 seconds. Then plug it in again and power it up.

Dec 27, 2008 | PC Desktops

4 Answers

I have a Dell Inspiron 530


I have a Dell Inspiron 530S, and it exhibited the same symptoms as rguggemos's & Wilburollie's.

I can put it to sleep, but when I try to wake it, it won't. The screen will stay black. I can hear the drives spin up, and the fans go on FULL blast, and the blue power LED stays flashing, but the computer will stay like that - no picture or anything. Then I'd have to press & hold the power button to force it off, then power back on. Not ideal.

The solution that worked for me?! On boot, at the "DELL" logo, hit F2 to enter the BIOS setup, go to Power Management, and change the standby mode from S3 to S1. The difference? S3 is a "deeper" sleep, w/ more components powered off, which is better, energy-wise, but it is more difficult to wake from. S1 is a "light" sleep. Give it a shot! Maybe it'll work!

Good luck!

- Mike

Stolen from another forum:

S0 (Working) is lit. The CPU functions in entirety; the conservation of power is on a basis of by-device.

S1 (Sleep). The CPU is stopped; The RAM is regenerated; the system functions in reduced power.

S2 (Sleep 2) The CPU does not have any power; The RAM is regenerated; the system is in lower mode of the S1.

S3 (Standby) The CPU does not have any power; The RAM regenerates at minimum; the power supply unit is in mode of reduced power. This mode is also called “Save to RAM”.

S4 (Hibernate). All is powered off, but the memory was saved like temporary file on the hard drive. This mode is called “Save to disk”.

S5 (Off) Everything is shutdown. Means you need a full reboot.

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1 Answer

Black screen not booting


check both your power and video connections to the monitor, sounds more like a monitor power issue.
if the connections appear ok, but screen still blank, try connecting a known good working monitor from somewhere else and see if it works with your pc, if it does, your original monitor is faulty, if it doesn't, you have a pc video issue.

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1 Answer

Monitor going to sleep


Within the control panel select performance and maintenance within that select power options.

Once in there check that the power is set for desktop computer and that never sleep on monitor or Hard disks.

If this doesn't work then press the OSD button on the monitor and scroll through the setting and make sure that there isn't one that is auto sleep mode after and amount of time.

Thanks J

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