Question about ASUS MB M3A78-EMH HDMI RT Motherboard

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No Video display

My power light on my monitor just blinks like it's not getting signal but '' no signal '' is not on my monitor

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  • 113 Answers

Check your refresh rate on your monitor

Posted on Mar 12, 2009

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Will not power up


Does the hard drive spin? Does it seem like it booted up except the display is blank? If so, try using another monitor on the computer.

If it is a laptop try the steps below:

Shine a flashlight on the dark screen to see if you barely see the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can be any kind of monitor even the old big fat crt monitors as long as it has a vga cable to connect to your computer's vga port. If the video shows on the external monitor that proves your video card is ok, ,but your lcd screen is bad. The video will show on most systems when you reboot without you having to do anything. Some systems will require you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then hit the correct key for displaying on the monitor (F1 thru F12). The correct key will normally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works, then your screen is bad. If you see no icons by shinning the flash light and nothing shows on the external monitor, then most likely your video card is bad.

If it is a desktop try the steps below:


Connect 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 displays ok, then your video card inside the computer is good, but your original monitor is bad. If the Borrowed monitor does not display then the video card inside the computer is bad.

If it does not seem like the computer boots all the way up, then try the steps below:

When you plug in the power cord is there any lights whatsoever on the laptop, where the plug goes in or on the AC Adapter of the power cord?

When you press the power button do you hear fans running, hard drive spinning, lights on the computer, hear any beeps or lights constantly blinking, hear the DvD/CD drive click and the light on the drawer of the DvD/CD turn on for a second or two? If so the laptop is trying to boot or may have booted, but the screen is not showing for some reason.

Beep tones and blinking lights tells the technicians what is going on with the laptop and why it is not booting. Most times it's a motherboard issue when you hear beeps or blinking lights continuous. Most times the problem is with the memory or Video Card. Count the Blinking Lights or Beeps and take note of their pattern (1 Long or 1 Long followed by 2 Short).

Maybe your power cord is bad if you don't get anything to happen whatsoever when you press the power button. And if that's true maybe you was operating off the battery the last time you had it on and since the power cord is bad, it was not charging the battery so the battery is drained and the power cord is bad.

Maybe you have a Static Charge Buildup. Remove the Power Cord, Remove the Battery, then Press and Hold the power button for 30 seconds. After 30 seconds plug the power cord back in (leave the battery out) and hit the power button to see if it boots. If it does, you can put the battery back in and let it charge.


Maybe your DC Power Jack which is where the power cord plugs into the computer is bad. Take an ink pen and push the tip inside the jack and see if the little pin wiggles, if so the jack is bad. You'll have to take the laptop apart to fix it. Most times it is soldered onto the motherboard, so you will have to desolder the old and solder a new one.


Maybe your memory is bad or the memory slot is bad.

Remove the Power Cord, Open the Case and remove one of the memory chips. Set the chip aside then try rebooting the computer. If it boots, then you know the memory chip you set aside is bad so mark an x on it with an ink pen. If it fails to boot then move the chip to the next memory slot and try rebooting. If it fails take the chip out and set it aside, then put the other chip in and try booting it in both slots. If it boots, just to verify that the chip set aside is bad, mark an x on it and put it into the open memory chip slot and try booting.

Jun 06, 2012 | Biostar M7VIG-400 (M7VIG 400-COMBO4)...

2 Answers

My emx-mcp61p-avl has power but no display no beep. video card is new and compatible with my motherboard. RAM is new also.


Just because the ram and video card is new does not mean they work. But since you say it has power, I'm assuming it boots up all the way except the screen is not displaying.

If this is a laptop try the steps below.

Shine a flashlight on the dark screen to see if you barely see the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can be any kind of monitor even the old big fat crt monitors as long as it has a vga cable to connect to your computer's vga port. If so that proves your video card is ok. The video will show on most systems when you reboot without you having to do anything. Some systems will require you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then hit the correct key for displaying on the monitor (F1 thru F12). The correct key will normally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works, then your screen is bad. If you see no icons by shinning the flash light and nothing shows on the external monitor, then most likely your video card is bad.



If it is a desktop try the steps below.



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 shows the display, then your original monitor is bad. If the Borrowed monitor does and same as your original monitor and does not show a display then your video card has an issue.


May 30, 2012 | Computers & Internet

1 Answer

I have two monitors. One Samsung SyncMaster 2233 an one Samsung SyncMaster 2243. My problem is that the SyncMaster 2233 for some reason is totally black. I'm usually not terrible with these things, but my...


You're using dual monitors and one is black? If so-- when you switch the cables on the monitors.. the same monitor stays black? This sounds like bad monitor. If I understand you right.

Feb 10, 2011 | Computers & Internet

1 Answer

Due to power variation my display suddenly goes blank, then i powered off my system. again restarting there is no display on monitor only monitor light blinks.cpu is working properly ,hard disk, ram ,heat...


if it is an on board video sound like it got damaged by power failure,try adding on a video board and disable on board video in bios,make sure you have an avalible slot to add board

Feb 02, 2011 | Intel Motherboard

1 Answer

No display , monitor light blinking


it could be you video card or onboard video whichever you use or even the cable! make sure you test with a different cable then if that doesnt work try another video card if you use one

Jun 28, 2009 | EPoX EP-4PEA+ Motherboard

1 Answer

Ecs p4m800 m7 no display


On board video will likely be disabled if you plug in another video card.

Newer video cards require a connection from the power supply to provide additional power not available on the PCI bus to drive the GPU. It is possible that your 350W power supply does not have enough juice, or the rail is bad.

First guess, check the video card for a power connector. Second, check the power supply. Lastly, if you remove the PCI video card, onboard video will likely work again.

Good luck.

Mar 30, 2009 | EliteGroup ECS P4M800-M7(3.1) LGA775 ALL...

2 Answers

The power supply burned out. replaced it. Still I get, no signal


there will be one INTEGRATED CIRCUIT (ic) near by the pci slot it is called as the video adapter ic ....
if this ic is dead then the the display will not come ...

so you need replace that ic ..

you can do that if you are experienced professional ...

if you have no idea then you need take it to motherboard technician ... ..


regards
-Dileep

Nov 23, 2008 | E-Machines (308714) Motherboard

1 Answer

VIDEO SIGNAL


in u r cpu u can hear beep sound

May 06, 2008 | Foxconn 6100K8MA-RS Motherboard

1 Answer

No Video Output - HP 6635 Desktop minitower - CPU Intel CELEROM 533Mhz


if you have changed the monitor and the same no signal have you noticed a beep sound? or can you see the green and red light in front of cpu? if both of this doesn't light it's power supply and if there are led lights (green&red) lighting but there is a continous beep sound the problem is the on board video card. if a sound short beep, beep the problem is your memory card.

Nov 27, 2007 | HP (5064-6630) Motherboard

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