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Machine not POST'ing with GFX card

  • 02-04-2007 01:12PM
    #1
    stakey
    Registered Users, Registered Users 2 Posts: 722 ✭✭✭


    Hi folks,

    Been building a machine for my brother in law, basic machine running of an AM2 processor, the motherboard is the following:

    http://www.dabs.ie/productview.aspx?Quicklinx=45M4&CategorySelectedId=11143&PageMode=1&NavigationKey=11143,50626,356410000,48750000

    The graphics card is a 7300 run of the mill cheapo next gen graphics card. The problem i'm running into is the motherboard we bought doesn't have any onboard VGA... fair enough. But when we boot the machine up after building it, it's not picking up the graphics card, literally the motherboard is beeping to the tune of invalid VGA controller...

    Anyone have any ideas what i need to do to get the machine to recognise the PCI Express card as the main controller for VGA?

    Thanks in advance


Comments

  • #2
    8T8
    Closed Accounts Posts: 4,757 ✭✭✭8T8


    As this sounds more of a graphics card issue I'll move into the graphics forum.

    Anyhow things to try;
    Clear CMOS
    Remove and re-seat RAM in motherboard.
    Remove and re-seat graphics card in PCI-e slot.

    The primary PCI-e slot is the one coloured blue if you attempt all of the above and it still fails try it in the second slot coloured brown/black.

    Failing that dismantle the system and remove the mobo from the chassis and plug in the components bare on the desk and power it on to see if it works as it may have been a short inside the case.


  • #3
    stakey
    Registered Users, Registered Users 2 Posts: 722 ✭✭✭stakey


    That's what i thought at first. Cleared the CMOS, reseated all devices and checked both PCI-e slots...

    Same issue... been troubleshooting this for a week or two now and an over enthusiastic brother in law bought a replacement motherboard (the one i'm trying now) and the graphics card (one i'm using now) with the same issue as before.


  • #4
    TerrorFirmer
    Closed Accounts Posts: 29,930 ✭✭✭✭TerrorFirmer


    Just sounds like a dud card.


  • #5
    stakey
    Registered Users, Registered Users 2 Posts: 722 ✭✭✭stakey


    mmm... as i thought, but two? with the same issue?


  • #6
    8T8
    Closed Accounts Posts: 4,757 ✭✭✭8T8


    Well if the GPU and mobo have both been replaced try the PSU instead ?

    Just use anything you can get your hands on and see it powers on


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  • #7
    TerrorFirmer
    Closed Accounts Posts: 29,930 ✭✭✭✭TerrorFirmer


    Ah right, sorry, read that too fast and thought you tried the original card in the old and replacement mobo - was wondering why it seemed like anything more then a no-brainer! Have you tried booting up with a basic pci card or something?


  • #8
    requiem1
    Registered Users, Registered Users 2 Posts: 611 ✭✭✭requiem1


    had the same problem with my asus p5b deluxe there and the blue led came on but it would only flash red for a sec, spent ages trying to figure it out and changed literally every component i could but sadly it was a dud board and sent to get one replaced.

    I was talking to a guy in overclockers uk who said that all their asus motherboards from a certain delivery have been coming back with similar issues and he's been putting it down to faulty PCI-ex slots. If you check some of the forms online you'll see that some guys have gone through 4 dud boards before getting a new one.

    One person said that there maybe a problem with the jumpers and maybe the jumper cables from the case but honestly i doubt it could be and the fact its happened twice is worrying.

    Is it just one beep or two? cause one beep can also mean that it can't find a primary ide drive so check your connections to see if thats the problem and also this is a stupid question but you have a keyboard plugged in? preferably PS2 cause i've heard about issues with usb keyboards stopping computers posting and one beep also represents the lack of a keyboard...


  • #9
    stakey
    Registered Users, Registered Users 2 Posts: 722 ✭✭✭stakey


    Keyboard/mouse/monitor plugged in. it beeps once long and two short signifying a display adapter problem. The motherboard is powering on and all peripheral devices attached are also powering up so I don't believe it's an issue with the PSU or underpowering the machine.

    I'm going to try out a PCI graphics card later, see if I can at least get it to POST. But looking like I may need to get a replacement motherboard, I don't believe it's the graphics card (two in a row :o).


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