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Monitor goes to sleep replaced video card and power supply? what to do?

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Go to control panel & in the power management change the settings to turn off harddisk time to never & Shutoff Monitor to never.

Posted on May 06, 2010

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Posted on Jan 02, 2017

Raditronic
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SOURCE: replaced video card & power supply & still

possibly bad motherboard.

Posted on May 06, 2010

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Why will emachine 1358g not boot up monitor goes to sleep just after powering up?


There is no video output from your computer, that is why the monitor goes to sleep, check the cable and the video card.

Sep 03, 2014 | eMachines Computers & Internet

1 Answer

Replaced power supply and viedo card stil no signal on monitor


Disable on-board video or check to see if you power supply has the wattage to run the video card..

Hope this helps

Apr 14, 2014 | HP Compaq Presario SR2013WM (RE468AA#ABA)...

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My monitor seems to be stuck in sleep mode


This happens when there is no communication with video card. Check cables, re-seat video card, make sure monitor is set to correct mode. VGA (15pin blue), DVI (white), or HDMI.

Aug 28, 2012 | Dell desktop and monitor- Inspiron 530...

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Monitor goes to sleep when I turn on my computer replaced the monitor replaced the graphic card replaced the cord from the monitor still goes to sleep sometimes it will start but then freezes up then back...


If it works intermittently then it's either a loose monitor data cable, loose monitor power cable, or loose graphics card. When you say it freezes up, I'm thinking most likely your graphics card is loose, make sure you screw it tight to hold it securely. The power must be off in order to be working with a graphics card. Also ground your body's static electricity to a non-painted piece of steel such as a desk to prevent shocking expensive hardware.

Jan 13, 2012 | HP Computers & Internet

1 Answer

My HP W1907 monitor works fine until I try to play The Sims 3 game. I play for several minutes or hours and the monitor shows the message that it is going to sleep and the light on the monitor goes...


Hi there. I had the same problem months ago when I try to play high end games like Sims 3 my monitor goes into power saving mode. I tried to check every possible causes of the problem. It could be that your computer is overheating try to clean your computer and check if your fans still works. Second it could me your power supply malfunctioning, maybe it does not meet the required power to make your game work. Last cause is your video card malfunctioning, what I did is to just buy a new video card and it works.
If you do not have spare power supply or video card you can go to a computer repair shop for them to check the possible problem that causes it to go into power saving mode. It can also save you money before you can buy a new one.
Hope this helps, Have a good day!

Oct 03, 2010 | HP w1907 LCD Monitor

1 Answer

When I power up the HP m8457c desktop computer the monitor displays the error message "no communication from computer" and goes into a sleep mode.


This is telling you you have no video signal. Now you need to figure out just what the problem is. Could be the video card or any other piece of hardware in your computer. My bet goes with video card or power supply. Unhook the other stuff and try to boot with a "bare bones" system--that is, using only your video card, CPU, and memory. If you get video, try hooking up the other stuff until you find the bad part.

Sep 11, 2010 | HP Computers & Internet

2 Answers

Monitor goes into sleep mode at random


Check your power options in your control panel - default is usually 20 minutes to put monitor to sleep - you can adjust the time there. The monitor itself does not usually have this as a function so I would start there first.

Mar 25, 2010 | HP w1907 LCD Monitor

2 Answers

Power on and monitor goes to sleep mode


You need to try it on another PC, alos verify if the VGA cable is good. If nothing change, then you need to open it up, first thing to look for are the capacitors in the power supply. Look for cpas with bulging top/seal, see example of failed monitors here: http://s807.photobucket.com/home/budm/allalbums
Post back what you find so we can guide you further.

Mar 19, 2010 | Acer AL2216W LCD Monitor

1 Answer

Going to Sleep


Due to the power surge, it is highly possible that the monitor was given a boot by your computer on it's way out.

This will short out a very small transistor inside the monitor on the video board and in turn, then monitor cannot see that there is a signal so goes to sleep.

If you get brave enough to venture inside the screen, then check near the cable input. The transistors are only around 3mm and have 3 legs (two one side and one in the middle on the other).

If you find anything like that burnt (get a magnifying glass) then replacing the board is the easiest option. Just don't be tempted to wipe the board before you look at everything very closely, you may wipe away the tiny bit of evidence you are looking for.

Hope it helps =)

Feb 12, 2008 | HP Pavilion F1903 19" Flat Panel LCD...

1 Answer

Going to Sleep


got the same issue

hp pavilion 1723

Nov 01, 2007 | HP Pavilion F1903 19" Flat Panel LCD...

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