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Monitor flicks off

I turn on my computer and everyting looks fine and my monitor just flicks off, followed by the no signal pop up; power light is amber, CPU stays on. Have UPS backup, no alarm goes off that power is lost. Very random problem, sometimes I can work for days and no problem. I have switched monitors (first had View Sonic VA 1930 WM, now using emachines monitor), then switched power cords. Problem still occurs

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If you have switched monitors and the problem persists, I would first look at your cabling, if you did not use the same cable on both monitors then the drivers would be suspect. Go to your video cards site and update the drivers after checking all your cables and connections, also check that the video card is properly seated on the motherboard (if its not integrated onto the motherboard). An easy way to check the monitors, is to plug them into another computer (EG: laptop) and they should have the same problem there, i doubt they will from the symptoms you are having. also try bypassing the UPS and plug the monitor straight into an extension cord or wall.
Remeber, try this in steps, not all at once, so you can tell what works..

Hope this Helps!

Posted on Oct 07, 2008

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I have a dell studio 540 desktop, I need to restore to factory settings but my monitor will not stay open. It opens for a few seconds then immediately goes into power saver mode and turns off, how can


I see two things here, but need clarification;

1) Monitor goes to Power Saver Mode, then turns -> OFF?

Sure that monitor didn't go into Standby Mode?

2) Why are you performing a restore back to factory settings?
Pick up a virus?

Primer;
The monitor receives a signal. A video signal. The video signal comes from the computer.

If the monitor is NOT receiving a video signal, then the monitor will state No Signal.
This is for older monitors.

New monitors do not state No Signal anymore.
It's Power Saver Mode, or Sleep Mode.

If the monitor is truly OFF, the Power On button will Not be lit up.
Or the Power On LED light on the monitor.

Monitor power on LED is lit, or Power On button is lit?

Monitor is not receiving a video signal;

Use a monitor cable from a KNOWN to be working monitor, for a temporary test.
OR,
Use a Known to be working monitor, and it's monitor cable.

Need to find out if monitor cable is good.

Monitor cable checks out good?

Then problem is computer.

The two leading issues with desktop computer failure, is;

1) Computer is dirty inside
2) Power Supply inside computer is bad.

Please post back in a Comment.
Regards,
joecoolvette

Mar 27, 2013 | PC Desktops

1 Answer

Monitor can't get a signal from computer


Monitor is working fine so... Check on the CPU... You might see it running but not. While the PC is OFF and power cable is disconnected, try removing the memory and clean it with pencil eraser, put it back carefully, check also vga / pci cards then turn it back ON... that will work.

Apr 29, 2012 | Acer Veriton PC Desktops

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When I turn my computer on, my monitor displays a message of 'vga signal, no vga input signal' and 'dvi signal, no dvi input signal' and 'monitor going to sleep'. My cables are...


The symptoms you described is common in fault mobo or VGA card.But VGA doesn,t turn bad so easy.I suggest to change your mobo first.

If you need more help post back!
Thumbs and testimonial are welcome!

Aug 15, 2011 | HP dx2300 Monitor Personal computer Intel...

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My computer will turn on but my monitor does not get a signal and I've tried this on two working monitors and two different power chords. The lights on the keyboards don't even work. Any solution?


I was just dealing with this last night. My pc would come on, but I kept getting a "No Signal" message on my monitor. I first plugged the machine into a known working monitor. It worked fine so that eliminated the video card issue. Then I plugged the monitor into a different computer...it too worked. So I knew that the monitor was good. I then switched the cord from the faulty monitor and still didn't get a signal. I proceeded investigating the issue. I found that if you boot the machine in safe mode, it actually caught a signal. So...I figured it must be something to do with the resolution. My solution: Boot the machine in safe mode, change the resolution in the control panel and reboot the machine. If it doesnt catch the signal booting in safe mode, I suspect it is a faulty video card. You are likely to find what you are looking for online at zipzoomfly.com or newegg.com

May 20, 2010 | E-Machines eMachines Desktop PC

1 Answer

Monitor warning pc enter power saving mode


Are you using usb keyboard and muse. if so your usb ports are dead

Jun 16, 2009 | HP Pavilion a450n PC Desktop

1 Answer

My computer does not start up


hi im josh in cebu phils.may i help you? Friend try to use these solutions i got this in my book.
Dealing with System Startup Problems There's nothing scarier than turning on your computer and finding it doesn't start. What you do next depends on exactly what it is your computer is or is not doing. Let's work through some specific startup problems, and how to proceed in each instance.
Problem: Your Computer Doesn't Start—You Hear No Noises and See No Lights First things first—don't panic!
Now, very calmly, look at the back of your system unit. Is the power cable plugged in to the right connector? Now follow the power cord to the other end. Is it firmly connected to a power outlet? Now check the wall switch. Is it turned on? Now walk to your fuse or circuit-breaker box. Is the fuse good or the circuit breaker set? Now go back to your computer. If it still isn't working, unplug the computer from the power outlet and plug in something that you know works—a lamp or a radio, perhaps. If the appliance doesn't work, you have a bad power outlet. If the appliance does work, you really do have computer problems.
If you're positive that your computer is getting power and that you're turning it on correctly, you probably have a hardware problem. The most likely suspect is the power supply in the system unit. To determine the culprit and fix the problem, however, you'll need to call in professional help at this point. Take your system to a certified repair center and let its technicians get to work.
Problem: Your Computer Doesn't Start, but It Makes the Normal Startup Noises If your system is making noise, at least you know that it's getting power. Because you can rule out a bad power cord, the most common things to look for are poorly connected cables or a nonfunctioning monitor.
Begin by checking your monitor. Is it turned on? Is it plugged into a power outlet? Is the power outlet turned on? Is the monitor connected to the correct port on your system unit? Is the connection solid? Is the connection solid in the back of the monitor? Are the brightness and contrast controls turned up so that you can actually see a picture? If you have a newer monitor, try disconnecting the monitor from the computer (with the monitor turned on); if the monitor is working correctly, you should get a No Signal or Lost Signal message on the screen.
If everything is connected and adjusted properly, you might have a monitor that needs repair. Is the monitor's power light on? If not, your monitor might have power supply problems that need attention from a professional. If your monitor's little green light is on but nothing shows onscreen, the video card in your system unit might be loose or set up incorrectly. Try swapping monitors with another system; if the new monitor works on your system, your monitor is the problem. If you determine that your monitor is working fine, you should check your video card to make sure it's installed, seated, and connected properly. If that doesn't fix your problem, try plugging your video card into a different slot.
It's also possible that your keyboard isn't plugged in properly, or that you have some other internal problem that causes your system to halt during start-up. Check all your connections before you try rebooting. good luck hope i helped you.

Mar 04, 2009 | PC Desktops

1 Answer

NO SIGNAL What do I do?


These messages are normal when the computer truly goes into suspend mode or loses the video signal (such as when the computer is suddenly turned off).
If the monitor displays any of these messages when the computer should be displaying video , do the following items until an image from the computer appears:

1.
Ensure the computer is really sending a video signal. To bring the computer out of suspend mode: move the mouse, press the spacebar, and press the suspend button on the keyboard twice (the suspend button has an icon that looks like a quarter moon).
2.
Ensure the video cable is connected (and connected to the correct video port).
3.
If you are trying to view video from a set-top box, DVD player or similar device, use its menu system to set the proper video output channel so that it matches the video connection are using. For example, if the monitor is connected to a satellite receiver via a second HDMI connection on the back of the receiver, select HDMI-2 (or similar) using the remote control for the receiver.
4.
Turn off the monitor using the monitor's power button and then restart the monitor.
5.
Cycle the power on the monitor as follows:
1.
Turn off the monitor. The power light on the monitor should be off. Leave the computer turned on.
2.
Unplug the power cord.
3.
Wait 5 seconds.
4.
Plug in the power cord.
5.
Press the power button on the monitor to turn on the monitor.
One of two things happens:
1.
The image from the computer displays on the monitor and you can use the computer again. This indicates that the monitor was unable to detect that the computer had awakened from suspend mode. Turn the monitor off when it is not being used or disable suspend mode. For some computers, updating the BIOS corrects these types of suspend problems.
2.
The power light on the monitor comes on but the screen displays one of the messages again. The monitor is not receiving a video signal from the computer that it can detect and use. Continue using these steps to adjust the Windows display resolution to the Monitor's native (default) resolution.
6.
Adjust the Windows display resolution to a setting that is compatible with the monitor:
NOTE: The native resolution setting for your model of monitor can be found in the Monitor User Guide, the monitor's product packaging, and product specifications.
1.
Restart the computer and press F8 repeatedly after the first logo screen.
2.
Select Safe Mode .
3.
Windows should open showing a Windows desktop with lower resolution and fewer colors.
4.
In Windows Vista, click Start , Control Panel , and click Adjust Screen Resolution in Appearance and Personalization.
In Windows XP, click Start , Settings , Control Panel and then double-click the Display icon and select the Settings tab.
5.
Move the slider bar until the native resolution for the monitor is set, click OK and restart the computer.
6.
If the native resolution is not available from the slider bar, click Advanced Settings , click List All Modes (from the Adapter tab), select the resolution, and click OK .
If the native resolution setting is not available as a selection in Windows, you can temporarily use 1024 x 768 to complete these steps. However, you should update the graphics driver on the computer. Updating the graphics driver can provide more display resolutions to Windows; possibly including the native display resolution for the monitor.
*
Check for nVidia video driver updates at nVidia Home Page (in English).
*
Check for ATI video driver updates at ATI Home Page (in English).
*
Check for S3 video driver updates at S3 Graphics Home Page (in English).
*
Check for Intel video support and downloads, Intel Downloads (in English).
*
If you own an HP or Compaq computer, HP hosts video drivers and some video driver updates at the HP Software and Drivers site (in English)
7.
Connect the monitor to another computer that you know is working to determine if the monitor should be serviced or replaced:
*
If the monitor displays an image from another computer, you know that the monitor works. Troubleshoot the video connection and graphics adapter on the computer.
*
If the monitor remain blank when connected to another computer, the monitor signal processing hardware may be bad. The monitor should be repaired or replaced.

NOTE: One or more of the links above will take you outside the Hewlett-Packard Web site. HP does not control and is not responsible for information outside of the HP Web site.

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1 Answer

HP desktop monitor problem


hi try this ,,,
  1. Ensure the video cable is connected (and connected to the correct video port).
  2. Turn off the monitor using the monitor's power button and then restart the monitor.
  3. Cycle the power on the monitor as follows:
  4. Turn off the monitor. The power light on the monitor should be off. Leave the computer turned on.
  5. Unplug the power cord.
  6. Wait 5 seconds.
  7. Plug in the power cord.
  8. Press the power button on the monitor to turn on the monitor. One of two things happens:
    1. The image from the computer displays on the monitor and you can use the computer again. This indicates that the monitor was unable to detect that the computer had awakened from suspend mode. Turn the monitor off when it is not being used or disable suspend mode. For some computers, updating the BIOS corrects these types of suspend problems.
    2. The power light on the monitor comes on but the screen displays one of the messages again. The monitor is not receiving a video signal from the computer that it can detect and use. Continue using these steps to adjust the Windows display resolution to the Monitor's native (default) resolution
    3. Connect the monitor to another computer that you know is working to determine if the monitor should be serviced or replaced:
      • If the monitor displays an image from another computer, you know that the monitor works. Troubleshoot the video connection and graphics adapter on the computer.
      • If the monitor remain blank when connected to another computer, the monitor signal processing hardware may be bad. The monitor should be repaired or replaced.
      hope it will work for u .. little_angel

Apr 30, 2008 | HP Pavilion a305w (DM181AR) PC Desktop

1 Answer

PC or monitor, signal problems


your monitor is telling you it's on it's last legs..either that or your compaq has a bad video section. either is more vital than a video cable being loose.

Mar 10, 2008 | PC Desktops

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