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NO VIDEO OUTPUT

I have an acer power fh and i am not getting any video when i boot up. i have reseated the ram, replaced the power supply, reset cmos, blown out the dust, all fans are working. i don't hear any beeps on start up and my keyboard and mouse didn't seem to be responding so i changed them and they do light up now but still no video. i also have a pci video card and tried using the integrated one and that didn't help. i can't get into bios or safe mode. when i repeatedly press f8 there is are no beeps. i have run out of ideas and don't know what to try no. PLEASE HELP ME!!! thanks in advance

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  • kwillis May 12, 2009

    yes that is what i mean. and usually when you continue to hit f8 after boot up it keeps beeping until you actually get into safe mode and i hear nothing either, at start up or when trying to get into safe mode which i can't get to.

  • kwillis May 12, 2009

    yes i have tried 2 different monitors and both monitors were in working order before i tried them.

  • kwillis May 12, 2009

    i checked the resistors on the board and none are swollen so i didn't think it is the motherboard. i have tried a new power supply and it that didn't help. i have unhooked everything and hooked it back up and it booted once for me and now it won't do it again. it is like something isn't connecting. everything is running: fans hd, cd rom. i am at a total loss.

  • kwillis May 12, 2009

    i can hear the hd start up but now i have another issue. the start button on this computer has a blue light that comes on when started. this blue light isn't coming on but the computer is starting up...still no video though. i am leaning to a short somewhere but where on earth would i check or could this be the motherboard?

  • kwillis May 13, 2009

    yea it may be cheaper but i work at a school and deal with about 90 computers and i prefer they are covered by a warranty and it would be to time consuming to build that many. thanks for the tip on motherboard though

  • terracwc May 11, 2010

    Confirm monitor okay by substiuting it with a knowen good one and then also take the suspected one to a known good system and confirm you have video display. We need to confirm the monitor is okay.

  • LauraIT May 11, 2010

    Have you tried a different monitor?

  • Hank May 11, 2010

    It sounds like you did a fine job of systematically trying to solve your problem by logical steps. One thing you may have overlooked is the hard drive. Are all the cables connected securely? Can you hear it at start up? Anyway give this a shot and we can go from there.

  • Hank May 11, 2010

    When you say "beeps" I assume you don't hear any bios beeps...is that correct?



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When you changed the power supply did you also plug in the 4 pin video power plug ( if your mobo has one)?

Take ALL the components out of the computer except the PS cpu and cpu fan. Clear your CMOS and turn on the machine to see if there are any error codes. Long Bios beep would indicate no memory at this point.

If no beeps go ahead and put the old PS back in...just in case new one was faulty and only running one rail.

If no beeps then yeah I agree mobo and or cpu is dead.





Posted on May 12, 2009

  • Hank May 13, 2009

    Did you try different memory sticks? Use just a different one that you know works. Then test one slot at a time.

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Sounds like a dead motherboard, i had the same problem a while back, with my custom built pc, that or try a new power supply. but i'd say it was the mobo though. a new one cost as cheap as 40 bucks i'd say depending on what your hardware is, you friendly neghborhood pc shop can help you, fyi, build your own pc its cheaper!

Posted on May 12, 2009

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