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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LOSES SCREEN after a few seconds


Disconnect monitor from computer and check whether monitor self test works fine or not. If monitor self test passes, load factory defaults on monitor, if issue persists - change the power cable.

May 29, 2010 | Acer AL1916W 19" LCD Monitor

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My LG l194wt monitor keeps shutting off.I am not sure if there is a reset button.After unpluging it will sometimes come back on


take the post(power on self test ) of a monitor connect power cable and disconnect signal cable see that no signal check signal cable massage comes then monitor is ok right cllick on desktop then properties screensaver -power -select -never

Feb 28, 2010 | Computer Monitors

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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

Dell172fpb 17" monitor


Self-Test Feature Check (STFC) Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps:
  1. Turn off both your computer and the monitor.
  2. Unplug the video cable from the back of the computer. To ensure proper Self-Test operation, remove Analog (blue connector) cables from the back of computer.
  3. Turn on the monitor. The floating 'Dell - self-test Feature Check' dialog box should appear on-screen (against a black background) if the monitor cannot sense a video signal and is working correctly. While in self-test mode, the power LED remains green and the self-test pattern will scroll through the screen continually.
  4. Turn off your monitor and reconnect the video cable; then turn on both your computer and the monitor.
If your monitor screen remains blank after you use the previous procedure, check your video controller and computer system; your monitor is functioning properly.

Thanks
proton

Oct 26, 2008 | Dell E171FPb 17" Flat Panel LCD Monitor

1 Answer

Sony Screen Colors


it may not have problem of monitor first take the post (power on self test) to do so you have to disconnect 15 pin signal cable from cpu and power on it will give display without cpu the massage "no signal check signal cable" will appear then monitor is ok problem is in cpu. if no display come then problem in monitor

Oct 25, 2008 | Computer Monitors

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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