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My Benq T502 monitor won't display the computer signal. It just cycles through a series of colours.

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Make sure the video and power cords are in tight.

Posted on Apr 19, 2008

  • Georgia B
    Georgia B Apr 19, 2008

    Is there another computer you can try it on? It may be your video card.

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1 Answer

My e machines home computer won't come out of.


Power save mode is just the message a monitor will display when there is no video signal from the computer to the monitor.

If the computer has no lights the problem is most likely the power supply and it will need to be replaced. Pretty easy to do, youtube it for tons of videos.

It also could be the motherboard is bad. I would start with the power supply first.

Dec 02, 2012 | PC Desktops

1 Answer

Atxstf


That more than likely means the video (graphics) card inside the computer is bad. The monitor seems to be ok if it is displaying No Input Signal. Isolate the problem by connecting another monitor to the computer. Borrow a monitor from a neighbor, friend, relative or co-worker and connect it t the computer. If the Borrowed Monitor displays the No Input Signal then your video card inside the computer is bad. If the Borrowed Monitor works and displays your desktop icons, then your original monitor is bad and the video card is ok.

Jun 02, 2012 | Gateway PC Desktops

1 Answer

No video signal


That more than likely means the video (graphics) card inside the computer is bad. The monitor seems to be ok if it is displaying No Input Signal. Isolate the problem by connecting another monitor to the computer. Borrow a monitor from a neighbor, friend, relative or co-worker and connect it t the computer. If the Borrowed Monitor displays the No Input Signal then your video card inside the computer is bad. If the Borrowed Monitor works and displays your desktop icons, then your original monitor is bad and the video card is ok.

Jun 02, 2012 | PC Desktops

1 Answer

On no signal


If you are saying the Monitor says No Signal, then more than likely the Video Card in the computer is bad. Try connecting another monitor to the computer. Borrow a monitor from a neighbor, friend, relative or co-worker and connect it to the computer. If the Borrowed monitor does the same and displays No Signal, then your video card is bad. If the Borrowed monitor displays and works ok, then your original monitor is bad.

May 23, 2012 | Dell OptiPlex GX620 PC Desktop

1 Answer

I have acer aspire series computer for 2 years.one day when i open my computer my monitor display no signal what are the reasons


Hi! it means that the monitor is not picking any signal from the tower or computer.Check all physical cables first esp the video cable from the monitor to the tower.Check if the computer has power by checking lights, sound coming of the machine. Check if monitor cable is securely plugged in to the vga or hdmi port.If you are using a adapter for that cable try to directly plugin the cable without using the adapter.If still no signal, check if you have a external video card or internal.if you have a external video card and thats the one that youre using then remove the external video card(you need to open up the tower and physically remove the external video card) and connect the video cable to the onboard card then check if will get a signal.hope this helps...

May 20, 2010 | PC Desktops

1 Answer

How to fix aopen F75PS Display Power Light Blinking, Display Won`t come on.


A blinking power light typically means there is no signal from the video card, so check the connections and try another monitor (or plug the monitor into another computer) first to see if the video card is perhaps the real culprit.

Mar 14, 2010 | PC Desktops

1 Answer

I see a gray screen only when I turn thePC on. I connected my monitor to my acer extensa laptop and still stayed gray.


The CRT monitors use RGB signals for displaying colours, most of the monitors dos'nt have colour setting option, This situation can only arise whenever the RGB signals are equally of the same strength, this is an indication that the chroma section responsible for colour distribution of your monitor is now working properly, you need to examine the RGB circuitry of your monitor, one more possibility is the data cable (VGA) has been tampered internally.

Oct 05, 2009 | Acer 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.

Jun 15, 2008 | HP PAVILION A6230N DESKTOP PC

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

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