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RAM - motherboard

Discussion in 'Hobby Electronics' started by Mike, Jul 24, 2012.

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  1. Mike

    Mike Guest

    If one of the RAM slots on my PC is showing up as empty in the BIOS even
    though there is a RAM chip in there, what does that mean?

    Does it mean the RAM chip is faulty, or could it mean the motherboard is
    faulty?
     
  2. Rod Speed

    Rod Speed Guest

    That the motherboard doesn't like it for some reason.

    There can be a large variety of reasons for that, everything from
    it not being a stick that it likes, thru to a bad socket to it just not
    being inserted properly into the socket etc.
    Usually not. Those do usually show as being present in the bios,
    but just give errors. Some faults can see it not even appearing
    in the bios, but that sort of fault isnt very common.
    Yes, it can be because the socket isnt working properly and
    there can be a variety of reasons why that can happen.

    The easy test for a bad socket or motherboard fault affecting
    just one socket is to move the ram sticks between sockets and
    see if the stick that is currently being recognised in another
    socket is seen when its in the socket that the bios doesn't see
    a stick in. Best to do that simple socket check with just one stick
    and try it in each socket in turn. But some motherboards are
    fussy about which socket to use if only one stick is used etc.
     
  3. atec77

    atec77 Guest

    did the stick work before is this a try and see ?

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  4. Mike

    Mike Guest

    I moved the sticks across, and it had the same result (1 not recognised), so
    it must be the slot.

    What is the solution? New PC?
     
  5. atec77

    atec77 Guest

    Well a bios flash might help although I doubt it , you could introduce a
    larger stick of the capacity you need

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  6. Rod Speed

    Rod Speed Guest

    Did a stick ever work in the slot ? If it did, the slot has clearly died.

    If it didn't, it would be worth trying just one stick in
    that slot if the motherboard allows just one in that slot.

    If that still doesn't work, and its never worked, it might just
    be that the motherboard doesn't like those sticks much.
    An updated bios may fix that or a different stick may work.
    That varys with the detail of the PC. If its rather elderly and
    you would prefer a new decent performance PC, that may be
    be the best approach. If it's a decent modern motherboard that's
    just failed, it can be worth just replacing the motherboard.

    If its in between, and you cant buy a motherboard that will
    take that cpu and ram anymore, a new PC might be best.
     
  7. Clocky

    Clocky Guest

    How long should a motherboard be expected to last? Though the warranty may
    be12 months, surely a PC can reasonably be expected to last a few years?
     
  8. Rod Speed

    Rod Speed Guest

    Yep. Can be tricky convincing the seller tho.
     
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