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RAM Probs

Discussion in 'Hardware' started by datarunner, Aug 7, 2007.

  1. datarunner

    datarunner Byte Poster

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    Hi All

    Made a bit of a mess of this. Got someones PCs which was running slow as it only had 128MB SDRAM fitted. I had another 128 MB stick handy (same spec 133 SDRAM) but was unsure if it worked or not. So I stuck it in the spare slot and PC would not boot. Removed the new stick and now PC will not boot with original RAM. So is it fecked? And has anyone else experienced this or am I a total idiot?
     
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  2. Sparky
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    Sparky Zettabyte Poster Moderator

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    Does the PC do anything when you try and boot it? Might be worth moving the original RAM to another slot.
     
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  3. datarunner

    datarunner Byte Poster

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    Doesnt do anything - no beeps etc. RAM light is on on mobo and tried another slot.
     
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  4. grim

    grim Gigabyte Poster

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    try resetting the cmos

    grim
     
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  5. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    Maybe the mobo is knackered
     
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  6. Mathematix

    Mathematix Megabyte Poster

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    Were you earthed when you were changing the ram sticks? Let's hope you haven't shortened the mobo.
     
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  7. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    Yeah thats what I was thinking, it doesn't happen that often but it is probable.

    ESD can screw yer comp
     
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  8. datarunner

    datarunner Byte Poster

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    I did the old trick of touchin the case metal b4 hand. Still got lights on the mobo and there is power going to it. Does that suggest a knacked mobo?
     
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  9. dmarsh

    dmarsh Terabyte Poster

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    Have you reset the CMOS as suggested ?

    Personally I'd think the chances of ESD damage are slim, there are however many ways you could break a PC, simply flexing a poorly mounted mainboard could break the many tracks in a multilayer PCB.
     
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  10. Theprof

    Theprof Petabyte Poster Forum Leader

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    Not necessarily. You would have to do a process of elimination in this case to narrow things down to the motherboard or ram. Start by resetting the bios and with the original ram stick in. If it still doesn't boot try the other memory module slot, if its no good try the other memory stick, etc.
     
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  11. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    Have you tested the PSU it may only have little power going to it, if your mobo is ok, do the drives spin when you switch on?
     
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  12. grim

    grim Gigabyte Poster

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    i think you would have noticed if you fried the mobo with static and what are the chances of incorrectly fitting both modules. remove the power from the back of the psu and pop the battery. resetting the power and the cmos suprisingly fixes alot of problems. when i (long time ago) fitted memory incorrectly it killed the mobo and the memory was fine. on the bright side if you have killed anything its pretty cheap to replace with ebay :)

    grim
     
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  13. datarunner

    datarunner Byte Poster

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    I dont think its a power issue as this system was working fine until i tried to add another stick of RAM which may not have been working.

    Will try reseting the cmos and removing the battery etc and let u know.
     
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  14. BosonMichael
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    BosonMichael Yottabyte Poster

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    It's quite possible to fry a mobo with static and not even know you did it. It doesn't take a jolt you can feel through your fingertips... all it takes is an unnoticeable trickle of energy in the wrong place.
     
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  15. grim

    grim Gigabyte Poster

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    i've only ever seen it happen once before and that was 7 years ago, got to be pretty unlucky. i tend to just touch the metal case before i do anything (touch wood) not happened to me yet.

    grim
     
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  16. Fergal1982

    Fergal1982 Petabyte Poster

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    no.... touch metal. It tends to work better :biggrin
     
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  17. grim

    grim Gigabyte Poster

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    damn these plywood chassis :oops:

    grim
     
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  18. datarunner

    datarunner Byte Poster

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    hi guys

    removed cmos battery and waited a bit then refitted. system now boots. excellent. thanks to all who replied. Saves me replacing ram etc.
     
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  19. grim

    grim Gigabyte Poster

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    no probs, here to help 8)

    grim
     
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