Question about E-Machines eMachines Monitor E15T4

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No picture Monitor comes on and passes self test, but says "no signal check pc"

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  • davethepcguy Jun 18, 2008

    Have same error message on boot, at least the "Check PC" part. I am a local PC tech, got call today from customer saying his E-machine, desktop, W2646 was working fine, he was vacuuming dirt in keyboard, then on next boot attempt, got "Check PC" on monitor. Most likely, the vacuum sent reverse voltage or ESD to PC, frying power supply or other component on motherboard. Monitor likely fine; the PC is not sending a signal to the monitor, thus "Check PC". If you think it is the monitor, test monitor on another desktop. I have witnessed a custodian plug a vacuum cleaner into the same power strip as a Dell PC, and the second he turned on the vacuum, the Dell went down. Dell was under warranty, their Tech Support had me try some basic power checks, then sent on-site service, ended up replacing the Power Supply. Too many possible power supply tests to list, but see if fan is coming on, CD drive opens, and can boot to Bios.

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Have you tried clening out the conetor end or unpluging it the pluging it back in

Posted on Jun 19, 2008

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Dell gx270 not communicating with monitor. self test feature check is floating on monitor


This is a self check for the monitor. This self test means that the monitor is not getting a signal from your computer. Have you installed any video cards in this computer?

If its onboard video meaning you never installed a video card then your video card is bad. Try purchasing a video card and installing it in the computer and your problem should be fixed. I hope this helps you. Any other questions feel free to ask thanks.

Jun 23, 2010 | Dell OptiPlex™ GX270 PC Desktop

Tip

Monitor self test


to make sure that the monitor is working fine, just unplug it from the computer. make sure that monitor is plugged in a known good wall outlet and turned on. there should be self test feature check on it that scolls around the monitor screen. for no dell branded monitor there should be a message like No signal.

on Mar 03, 2010 | Computers & Internet

1 Answer

The screen is black and there is no charging. No


If the screen is black, itis always recommended taht you do a Monitor self test by unplugging the PC from the Monitor and turning on the Monitor.If the If we see that "Video cable unplugged/Check Video cable", that means the Monitor self test is passing.We need to t/s on the PC...We can open the tower and take out the RAMs and the BIOS battery and do a m/b self test..If we hear a beep sound from the m/b, that means the m/b is good.We can go ahead and reseat the video card(if any) on the m/b and check again..Hope this works.

Mar 19, 2010 | Lenovo ThinkPad R61i Laptop

1 Answer

My hp computer wont display picture and makes a beep noise when i turn it on


It should make one beep. That means it passed the self-test.
If there is nothing on the monitor (is the monitor light green or yellow?)
then the monitor is bad.
I suggest you try another monitor to be sure. Borrow one from a friend.

Dec 10, 2009 | HP Pavilion 512n PC Desktop

1 Answer

When you turn it on, you will see a picture for about 1 second, then it goes blank


try self test on the screen to do that unplug the blue cable from the tower and turn on the monitor and if you could see 3 or 4 bars then the monitor is ok if not then you need to replace the monitor if it passes the self test then try to boot in bios and see if it comes on if yes then its your windows issue try system restore

Jun 26, 2009 | Dell E173FP 17" LCD Monitor

1 Answer

Screen suddenly went blank except for a self test box


well in order to get rid of the self test window from your monitor... check the cable that connects your monitor to system tower & reset the connection... becase that is the only possible cause of the self test showing up on your monitor...

" as the self test option only appears when there is no video signal going from your video card to the monitor...

Jan 18, 2009 | Dell E172FP 17" LCD Flat Panel Monitor

1 Answer

Black Screen


check your video card and try to go to windows recovery console or advance boot up options it seems the monitor self test passes!! if your video card is fine then its a video driver issue.

May 15, 2008 | Dell OPTIPLEX GX1 PIII-667MHz 128MB 10GB...

1 Answer

Self-test


well screen might be bad does it work on anther comp ? if so yes its bad if it does work on other cheak video card drivers and card itself ok thx nick

Mar 13, 2008 | IBM E74 17" CRT Monitor

1 Answer

Problem with the monitor


Hi,

The three boxes represent the built-in diagnostics of the monitor. The letters G is green, B is blue and R is for red, the 3 color guns of the picture tube of your monitor. The words "Self Test" indicates that it is in diagnostic mode since it has powered up, it is also then expecting a video signal from a source to be coming in; the display "Check Your PC And Signal Cable" indicates that it is not receiving any video signal from the source which is your PC or more specifically the PC's video card; and the display "Monitor Working" indicates that the diagnostic has determined that nothing is wrong with itself and therefore it has got to be your PC that is in question. The intermittent appearance of the boxes is when the diagnostics restarts itself and eventually finds the same problem.

To determine if it is the PC or the monitor, use another PC (even a laptop with matching VGA output) and try it with your Compaq monitor, see it it will work or alternately, try a different monitor to connect to your PC. The outcome will determine which is at fault.

If you have determined/verified that it is indeed the PC, you should focus on the video/graphics card. In some PC models/versions, the graphics/video is built-in to the motherboard and you should check the memory since this is shared. The only way is to replace either.

Hope that this be of some help/idea. Pls post back how things worked out or should you need additional information.

Good luck and kind regards.

Dec 07, 2007 | Compaq FS7550 17" CRT Monitor

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