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New ram killed my GF's computer ):

Discussion in 'Hardware' started by coil2, 7 Jan 2005.

  1. coil2

    coil2 What's a Dremel?

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    First, a tangent: I am registered on these boards as "coil", but it appears my account has been disabled and I don't know who to contact and couldn't figure out how to contact them. If someone important sees this, please drop me an email and help me get my actual account sorted! Thanks.
    _________

    OK! Here's the problem. My girlfriend had two sticks of RAM in her machine, a 512 and a 256 of DDR333. She just replaced the 256 with an additional 512 - same speed, etc, it matches. But when she turned it on, she smelled burning and saw smoke out the back of the computer. Obviously, she quickly shut it off.

    She brought it over to me to take a look. Here's what I've deduced:
    1) The computer will not boot, even with the new RAM removed. Power goes on, the fans spin up, but there's no booting, no hard drive beep, no display, nothing.

    2) As far as I can tell, she somehow managed to put the new stick of RAM in *backwards*, even though the slot on the chip is asymmetrical. I can tell this because

    3) There are three small burn marks on the new stick of RAM, specifically on three of the metal "teeth" (I don't know what else to call them) plating the part of the chip that actually connects to the motherboard. There are three matching melt marks on the plastic RAM slot on the motherboard (and as I said, these corroborate that she put the chip in backwards).
    ______

    So... it seems that something between the mobo and new RAM melted. The questions I want to get answered are:
    1) Why? Was it bad RAM? Was it because she put it in backwards?
    2) What's still busted? My guess is the mobo - am I right? Assuming I am, is that all that needs to be replaced?

    Thanks all!
     
  2. Shadowed_fury

    Shadowed_fury Minimodder

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    It's because she put it in backwards, or so i've heard, it shorts the mobo out.
     
  3. coil2

    coil2 What's a Dremel?

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    So the mobo's done? Go buy a new one?

    But the rest is fine? What about the RAM?
     
  4. Gajdycz

    Gajdycz Banned

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    and new ram ofcourse, i think u shoul look at the cpu and other stuff, just to be carefull
     
  5. Kensei

    Kensei What's a Dremel?

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    You know they should do a Darwin award for PC owners..... this could be a defininte winner.

    How in the name of all that is green and sticky did she manage toput the DIMM in backwards? With a hammer???? :jawdrop:
     
  6. Gajdycz

    Gajdycz Banned

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    well, if shes hot its ok, i would then proceed to give her my pc to pla her

    heres a good one, i had a friend trying to install my 9800pro i sold him, too him 2 hours, he had to remove the ram, and then put it back in, add 1 hou
     
  7. coil2

    coil2 What's a Dremel?

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    She swears that it went in just as easily as any piece of RAM should (and as I'm sure you all know, RAM is inordinately difficult to get in). The little pin in the slot isn't broken, nothing's physically damaged on the RAM, both of the end clips snapped into place, and the chip was the same height off the mobo as the adjacent chip (same make/model chip).

    She's not computer-illiterate by a long shot; honestly, if she says it went in, I'm just gonna scratch my head and believe her. Bizarre.

    Anyway, looks like we're going mobo shopping tomorrow. ^^;
     
  8. coil

    coil What's a Dremel?

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    Got my account working again... futzed around with the password/email settings and we're all better. Woo!
     
  9. friskies

    friskies What's a Dremel?

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    It's not physically possible to put in ram the wrong way? Correct? Maybe only one of the corners went in and she THOUGHT it was in?
     
  10. GunDam

    GunDam Minimodder

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    Yep ... sounds like the stick of ram must have shorted out something.

    Since the mobo powers up, LED and fans etc, I wouldnt think that your mobo has been damaged by the RAM (worth check anyways) but since there is no beeps its more than likely to be a dead CPU.
     
  11. coil

    coil What's a Dremel?

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    At my roommate's suggestion, I removed everything from the motherboard except the power cables (RAM, CPU, cards, IDEs) and gave it a try -- no beeps, no nothing. So it's definitely shot. Hopefully the CPU is ok, but there's no way to check without getting a new mobo (is there?).
     
  12. Der Me!$ter

    Der Me!$ter What's a Dremel?

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    If there are no POST beep codes and no picture she either fried the mainboard or the CMOS or the BIOS is screwed. First try to reset the CMOS by shorting the reset CMOS pins (see mainboard manual) with a jumper. If that doesn't work hotflash the BIOS in a compatible machine or buy a programmed replacement chip. Unfortunately I am thinking that the mainboard is dead because of the smoke and the probable short circuit, but hotflashing the BIOS and clearing the CMOS is worth a try.
     
    Last edited: 7 Jan 2005
  13. Kameleon

    Kameleon is watching you...

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    It is physically possible, I've seen it done three or four times by bored linemonkeys. Usually the DIMM flies out of the socket when you release the clips, it's one of those "Hey everybody, look what I've found!" moments :D

    Sadly, every time I saw it reversing the DIMM fixed the problem completely and the computer was fine afterwards, unless you can get someone else's motherboard to test your CPU and RAM in I can't think of any way to eliminate them...
     
  14. kenco_uk

    kenco_uk I unsuccessfully then tried again

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    From experience, if there's no cpu installed a motherboard will do exactly as you describe. However, from earlier posts, it would seem it's either the cpu or the motherboard.
     
  15. dead_man

    dead_man Confucious say: WTF???

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    plug a floppy in and c if the light comes on, if it does theres hope for the mobo yet
     
  16. coil

    coil What's a Dremel?

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    We went out and bought a new motherboard today... installed it, set everything in, and started it up -- nothing. ): Monitor stayed in power-saver mode, no beeps from the mobo, nada.

    When I removed the CPU/RAM/vidcard, I got no beeps again. I'm not sure what that means, since theoretically this particular mobo (MSI KT4V) should be totally compatible and in full working order.

    My guess is that the CPU itself is toast, but I'd love to get a second opinion. The RAM appears fine, as does the video card (Radeon 9800 256MB). Powering up gave all the whirs and clicks you'd expect from the power supply and drives (two HDDs, one CD-R, one floppy), so those at least are working fine.

    What do you think?
     
  17. kergareth

    kergareth What's a Dremel?

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    If it's compatible with your PC pop it in.
     
  18. deadly-app

    deadly-app What's a Dremel?

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    Swap parts with yours.

    the 9800 pro can be swapped easily, as well as the ram and the cpu if its compatible.

    PSU might be shot now? try shorting it by itself with the green wire to black wire technique.
     
  19. coil

    coil What's a Dremel?

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    The saga continues!

    I put her RAM, CPU, and video card (one at a time) into my machine... all three times, it booted up no problem! o.o

    I'm gonna give hers another go with the new mobo... hopefully I just suck at assembling computers. ^^

    EDIT: absolute bare-bones, PSU + mobo + case speaker + case power button. No POST beeps, nothing. I guess we're taking it back to the store.
     
    Last edited: 8 Jan 2005
  20. deadly-app

    deadly-app What's a Dremel?

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    PSU maybe?
     

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