Question about ASUS A7V8X-X (90-M7A690-W0EAY) Motherboard

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Red Light The Red light on my motherboard right next to my video card was on. And also my monitor says "No Signal" could this be linked to this problem

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Hi Ivematthew,
Usually, that red light is simply an indicator that the mainboard is receiving a 5volt supply from the power supply and you must NEVER install or remove any mainboard components whilst this light is on. In fact, dont touch the instde if the case or the mainboard if this light is on.
If you are getting a no signal on your monitor, try turning off at the mains and pulling the plug out, then touch the metal chassis of the case BEFORE you touch anything inside the case.
Then carefully remove your video card and re-install it into the same slot, you can even do this a couple of times. Then try booting the system up.
Also, check that both ends of the video cable are securely connected and that the cable appears undamaged.
I have to ask, Is the system booting up?
Are you getting a single beep at the start of the boot or is your system beeping more then once?
If it is beeping more then once, count the length and number of beeps and go to the ASUS website where you can use the beep code to locate the particular fault the mainboard is signalling about.
Let me know how things go and email me if you are still having issues OK?

Swoop611

Posted on Oct 28, 2008

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Posted on Jan 02, 2017

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This is going to sound vague, but currently a friend and I are working to get this desktop PC working that has a KN9 SLI motherboard installed on it. Currently, the issue is: The computer turns on, a red...


Try checking the jumpers on the motherboard. A lot of the SLI compatible boards have jumpers that need to be configured properly. You can find out the positions by checking the motherboard manual. Are you using an SLI capable video card or is the video onboard? I just ask because I had the same problem once while trying to install an SLI video card. I had no picture on the monitor and I couldn't figure it out for the longest. Finally I found the answer in the motherboard manual and it turned out to be a jumper that was set wrong. Hope this helps.

Mar 23, 2011 | Abit KN9 SLi Motherboard

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Hello I have a problem, my motherboard g31-m7 no video, i picked up the battery, but the problem still there, how to solve this problem?


I don't know who recommended a CMOS battery to fix your graphics, but this = no.

1) You have checked the monitor cable, correct? If the monitor cable is removable, replace it with a known to be good one, for a test.
If the monitor cable is not removable, use a known to be good monitor, and cable for a test.

2) If you are using the Integrated Graphics of the motherboard, (OnBoard graphics), then the next test is to install a graphics card. If you have graphics now, your OnBoard (Integrated) graphics chipset is bad.

3) I find most of the time, (Like around 80% or more) that the Power Supply is bad.
Enough power to light LED lights, spin fans, (Or spin a few times, and stop), but NOT enough power to turn the Processor on.

A bad Power Supply is one of the leading causes of computer failure, right next to computer is dirty inside.

A) ALL of the LED lights being on at once, will use less than 1 Watt of power.

B) EACH fan uses 2 to 3 Watts of power.

C) A typical Processor can use 51 to 125 Watts of power. Depends on what Processor it is.

Here you can see a CPU Support list for the Biostar G31-M7-TE motherboard, and the wattage of the different CPU's,

http://www.biostar.com.tw/app/en/mb/cpu_support.php?S_ID=363

Again, you may have a bad Power Supply.
Enough power to light LED lights, and spin fans, but not enough power to turn the Processor on.

No Processor operating, No computer.
No computer operating, No video signal.
(No Signal)

Do you have a KNOWN to be good, compatible power supply to use for a test unit?
Post back in a Comment.

Nov 06, 2010 | Biostar G31-M7 TE Motherboard

1 Answer

No signal to monitor


Hi there
first what i would do if this has a video card installed ''' is to turn off the computer and monitor and unplug both the power cords and the cable for the monitor than open the case and remove the video card and check to make sure that it is all right clean off the gold edges with a eraser and make sure to clean it off really good then install it into a nother port if available and put everything back together and than turn on the monitor and than turn on the computer and see if the monitor light turns green and if so you should be good to go ok please let me know how this works for you there is still more that i can do if needed ok
best regardds mike

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Tower turns on monitor shows no signal


I am guessing what you mean is that the monitor won't turn on. Does it have a green light or a yellow light that turns on?
If it is plugged in, there should be a light. If not, the monitor is bad. If the light is on but there is no video, then your video card has gone bad.

Jan 24, 2009 | MSI KT4A Ultra (MS-6590-050) Motherboard

1 Answer

K7MNF-64 MB is no longer showing any display even at boot up


You shoould try a different video cable. If this does not work, you should make sure that the video card that you are installing to check are compatible with the system.

Nov 15, 2008 | FIC (51-81677-00) Motherboard

1 Answer

Red Light (on) on my motherboard


The red signal is for the motherboard which indicates it has powered on. It has nothing to do with the video card.

In the no signal problem, please make sure that the video card is firmly pressed on the its slot.


Detach and reattach your memory [RAM] or put it in a different slot right beside it.

Oct 22, 2008 | ASUS A7V8X-X (90-M7A690-W0EAY) Motherboard

1 Answer

Don't give any signal at monitor


I mentioned this for someone else with this mb. you can only use a 1.5v (V= Volt) agp video card, older agp video cards are 3.3v (anything new today or in the last 5-6 years is 1.5v) a 3.3v agp video card will permenently damage this motherboard! and some are incorrectly "keyed" for the slot (the last remaining run before the 1.5v turnover) 

Funny thing is they recently introduced "universal agp" 3 "keyed" agp video cards. these can be confusing as well because some do have 1.5v and 3.3v capabilitys while others that still have the 3.3v "key" do not, nor will they draw 3.3 volts even if placed in an older 3.3v only slot, just 1.5 volts.

This is a finicky situation, and this motherboard along with many others in its class can leave you with more questions than awnsers in the end the more you seem go searching for them.

I hope you didnt damage your motherboard with the wrong agp card.
and maybe this will help others in the future with the same dilemma.

Aug 02, 2008 | Asrock K7VT4A-Pro Motherboard

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Agp issues


Do you have another video card to try? If so try it. But it sound like something is not seated correctly. Please respond back. Also do you have a built on video card for this board?

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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.

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