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 still nothing. Have tried another monitor - nothing. Have bought a new hard drive - nothing. Given that the hard drive is firing up I have discounted the 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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  • Eagleboy Mar 29, 2008

    The original problem was appeared to be a bootstrap problem - it would get to log-in screen in Windows then re-boot. I thought it could be a bad sector on the hard drive so I reformatted and re-partitioned the hard drive and re-installed Windows. Everything was fine for a couple of months and then the same problem occurred except that this time, after a couple of forced re-boots using the power button, I got three long beeps and then nothing on screen. Checking on the monitor menu it says 'no signal'. I removed the graphics card and tried the on-board graphics port but no joy, (I could not get into the Bios because obviously I have got no screen). I am not getting any error beeps when I power up.

  • Eagleboy Apr 02, 2008

    I've now replaced the motherboard, fan, heatsink and PSU and am still getting nothing on two screens that were working previously. I get a single beep from POST. I have checked to make sure the I/O panel is making contact and it is, and have checked the cabling - all lights coming on to Power On, DVD and hard drive. No problem with cooling as PC is running with the Asrock COP kicking in. The only thing I haven't replaced is the CPU and I don't think that's the problem? Any help guys would be greatly appreciated. Thanks

  • Dave MacPhee
    Dave MacPhee May 11, 2010

    Let's not go for a new motherboard yet.. First, when you say blank screen, where does this occur? Where do you see the "screen menu"? Also, please post the bios version you have...

    Most likely, if the fans are running, and the HDD and CD powers up, it is not the PSU...



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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.

Posted on Mar 29, 2008


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

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.

Mar 28, 2008 | Asrock K7VM4 Motherboard

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