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No signal display on monitor.

Monitor displayed no signal and a blank screen when computer boots up.

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Hello,
1. Check all the connections to make sure they are connected securely and properly. 2. Open your tower case and make sure you video card is seated properly by removing it and then placing it back in the slot. While you have the case open it would be a good idea to clean the inside of it out with some compressed air (remember to always unplug your system from the power source when working inside it unless you are a qualified technician). 3. If problem continues, try using another monitor to check if your monitor has gone bad. If it displays ok on a different monitor then your monitor is bad, if it still does not display you may need to replace your video card.

Posted on Jul 04, 2008

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My dell lcd moniter display blank white screen only?


This should be posted in monitors. Does the screen display anthing during boot up of the computer? Does it appear that the computer is booting? If the computer seems ok, then plug the monitor into another computer. If it works there, then it is something with the computer, and we will need a bit more information to work with.

Hope this helps

May 21, 2012 | Dell PC Desktops

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My dell 470 wont boot up every thing seems to be working but when i turn on i get a blank screen and no signal displayed Edward


This means that your monitor is not receiving a signal from your graphics card.
Here are the things that you can try:
-Disconnect and reconnect your monitor from your computer.
-Try using a different cable to connect your monitor to your computer.
-Try connecting your monitor to another computer, if it works there it means that there's a problem with your graphics card and it may require a replacement. If your monitor is still saying no signal even if it has been connected to another computer that works fine then the problem is with the monitor.

Apr 22, 2011 | Dell Precision Workstation 470 (204816690)...

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Monitor is displaying signal not displayed change to 1680-1050@60Hz


You are most likely using a resolution that is too high for your monitor.

Reboot the computer pressing F8 after the power on self test of the system and the Windows loading screen. Select the "Enable VGA Mode" option. This will boot to your desktop with a lower resolution that is compatible with your monitor.

Mar 12, 2010 | Dell Vostro 200 PC Desktop

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Turns on fan runs but no info to the monitor doesnt seem to boot


If the Monitor is displaying no infomation at all, your display signal from the PC to the monitor has failed.
1: Check the cable between the monitor and PC
2: If you are using onboard graphics then that display port is faulty.
3: If you are using a graphics card then remove it and try the onboard graphics.
4: Your monitor maybe faulty aswell so test it on another computer to be safe.

Its more likely to be option 2

Jan 15, 2010 | Gateway GT5220 PC Desktop

1 Answer

Boot up computer. Nothing comes up on screen. Get a message:"information. No input signal." Everything is plugged in correctly.


  • check the cable on the monitor screen
  • if after removing the data cable from the computer and it has no vertical color screen then
  • try other data cable
  • try other monitor screen

May 02, 2009 | PC Desktops

1 Answer

Monitor says no input signal


Do the icons look ok when you can see them? It sounds like your resolution may be way too high for the monitor. It loses sync and blanks the screen rather than show a lot of mess.

Boot your windows in safe mode (tap F8 before it gives you the progress bar.. just keep tapping it until you get a boot menu)

Everything should look big, but the monitor shouldn't cut out. Go to your display properties and set it to the lowest setting. (even if you can't move the slider, just click it once) Then OK and restart.

If that works, you should be in normal Windows with a horrible resolution. Go back to display settings and set it ONE STEP higher. Apply and have a look. If it's good, go another step, and repeat.

Apr 20, 2009 | PC Desktops

2 Answers

Monitor displays breifly then goes to blank screen


If tried the monitor on two other computers with the same result -- definitly your monitor is faulty. Take it to the repair shop. To make double sure, run your computer with another monitor. If everything is fine now; you can blame the monitor.

Dec 17, 2008 | Dell Dimension 4600 PC Desktop

1 Answer

Monitor won't stay on. Error message comes up that says "no input signal", then monitor goes out.


Problem with the monitor, monitor cable, or video output. For monitor, if you have more than one input, make sure it's set to the correct one. Try a different cable. Try a different monitor. Check your video card settings--if you see the BIOS bootup screen while it's coming up then the Windows splash screen, then monitor blanks out, it's a Windows display setting. Boot into safe mode, then change settings--
  • Turn the computer on or Restart the computer
  • Start tapping the F8 key. The Windows Advanced Boot Options Menu appears. If you begin tapping the F8 key too soon, some computers display a "keyboard error" message. To resolve this, restart the computer and try again.
  • Ensure that the Safe mode option is selected (the top option)
  • Press Enter. The computer then begins to start in Safe mode.
  • When you are finished with troubleshooting, close all programs and restart the computer as you normally would.

Oct 31, 2008 | HP PC Desktops

1 Answer

Computer monitor comes on for 1 seconds, flashes "analog power save mode" and then goes black.


Most monitors will say "Power save mode" when they can tell through residual voltage that the signal lead is plugged into a machine, but there's no picture being transmitted. The four states of a monitor are:

* Off entirely.
* Switched on, plugged into a computer but no video signal being received - usually displays "analog power save mode" or "digital power save mode" for a few seconds, then blanks. Comes back to life the moment a video signal is received. This state is the default in full power saving mode.
* Switched on, not plugged into a computer. Some monitors don't display anything, some go into power saving mode, some fly "CHECK SIGNAL CABLE" or a similar message around the screen. Picture is restored when the signal cable is plugged back into the computer
* On fully, receiving an image, and displaying.

Hope this helps.

Jun 01, 2008 | PC Desktops

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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