Question about Asrock K7VM4 Motherboard

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Nothing on screen, fan running on processor, hard drive trying to load OS

Same problem as Patatas. Some time ago I couldn't get the operating system to load. The machine would fire up but at this stage I did have something on the screen. I thought it was a bad sector on the hard drive so I reformatted and everything was fine for about a month. Now the screen is blank again and when I go into the screen menu it tells me that 'no signal' is being received. I have taken out the graphics card (which has worked perfectly up to now) and tried the on-board graphics port but same message. Have tried another monitor - nothing. Have bought a new hard drive - nothing. Given that the hard drive is firing up I have discounted a faulty PSU (am I right to do so?). There is a second hand K7 VT6 Motherboard for sale on e-bay - would this be a reasonable replacement? Thanks

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  • Jesus2000 Apr 21, 2008

    Same problem as Eagleboy's.

    Initially I'd get random BSOD errors (various errors), and thinking it might be the memory I ran memTest overnight but found nothing. Thinking it might be one of the memory ports I tried running with only one memory stick in, switching the sticks and ports trying to find a combination that didn't work. The computer seemed to work fine with just the one stick (albeit slowly) - no BSODs. Seemed I was only getting the errors when I used both sticks at once, but either stick in either port ran fine on it's own.

    After a few weeks it started failing with just the single stick in, getting to the Windows bootscreen before restarting, and soon after failed to boot at all.

    When I turn the power on the fan starts going, the CD drive starts, the HDD spins, but no signal is being sent to the monitor. I get one of three beep codes at POST:

    * Three long beeps (most common)

    * No beeps at all, or

    * One continuous beep (least common)

    I've tested it with different HDDs, memory and monitor and still get the same error.

    Do I need a new board?


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Hi Eagleboy, I wouldn't suggest buying a board on ebay. If things do not work out you'll spend more for shipping to & back just returning it rather than buying a new AGP4x video card.
You can double check the AGP slot. Get a strong flashlight. Look down into the slot, check for bent copper retainers, dirt & dust. You can also check & make sure the retainers almost touch each other from their oppsite sides. This is where you can help the AGP card get a tight fit. Clean both the AGP cards copper contacts & the slots copper retainers. Use house hold alcohol & some cotton swabs. Blow out the slot well
I'm guessing that you set the bios up correctly when you were using the AGP card & reset the bios when you went back to using the MB's VIA UniChrome Graphics. I agree with you, no need for a new PSU or HD. Shame you can not test your AGP card in another PC. If you can't do that than buy another AGP4x card & install it.|c:318|c:694|&Sort=0&Recs=10

This is all a suggestion. If you feel the board is bad & replacing it sits well with you. (Do what you think is best).
Here are some compatable boards I have come across. I am unaware what CPU you are using.

Good Luck!
If there is anything else I can do, just ask.

Posted on Mar 28, 2008

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SOURCE: Nothing on screen, fan running on processor, hard drive trying to load OS

did you try to replace your memory? do you hear a sound (click) once only,when you open your PC? if none, pls..try to replace your memory.but if still nothing happen,then thats the time to replace your Main-board.

Posted on Mar 29, 2008

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did you try to replace your memory? do you hear a sound (click) once only,when you open your PC? if none, pls..try to replace your memory.but if still nothing happen,then thats the time to replace your Main-board.

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