Question about Dell XPS™ 600 PC Desktop

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XPS 600 serious Boot up Problems!

Heya!
I have a Dell XPS 600
sli - 7800gtx, 2gb ram..etc.
When turning the main power on the comp will boot up and start running, then makes all the fans will run (loud) and the screen will turn to standby after 2 secs.
The diagnostic light is on 4, cant find anything on what it means..

I have disconnected and tested everything..works fine on other systems.
Any ideas..i need to try and get this fixed asap for coursework..more info can be given

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  • josh_gib Mar 12, 2008

    the power supply is fine and is still running as it did..but the heatsink shroud fans are going nuts..they are completly clean as is the heatsink its self..i have also disconnected the heatfink fan shroud from the main processor heatsink but this still didnt solve the problem..i have however, noticed that the northbridge heat sink has come lose..possibly due to heat, this exposed the nvidia chip..is it worth applying themal paste stuff to make a connection again..this is only an idea tho as im not sure it had any applied in the first place...or is the motherboard faulty? also note that no overclocking and other problems have happened.

    Cheers for the reply!

  • josh_gib Mar 12, 2008

    The heatsink (processor) is held on my a clamp..the paste that was there has completly dried up.,..i was able to wipe it off with a cloth...the same with the memory (nvidia) heatsink..But would a lack in the thermal paste cause a break in the connecton for the whole motherboard?

    thanks again

  • josh_gib Mar 13, 2008

    many thanks for the reply, i think it does mean a new motherboard..dell even offered to replace the board for £50! which is far to high for what it is!

    why they use plastic screws on a heatsink confuses me!

    thanks again..

  • josh_gib Mar 26, 2008

    dell motherboards are pretty expensive..so tbh i wouldnt bother getting one..search around for a socket 775 sli and it also would be more up-to-date with wireless etc..im seaching now so if i find one i'll let you know..also to note my warenty also has just expired! seems alittle odd!! i would also avoid computer shops as they seem to charge the earth and thats just to look at it!

  • mitchmanthe Sep 09, 2008

    Great, I don't hold out much hope of getting mine working anytime soon. My XPS 600 just died last night. All I get is a slow, yellow flashing Power switch. It was running one minute, and the next thing I know, everything went blank. I just had the main fans replaced two months ago just before the warranty ran out. I also replaced the graphics cards. Guess I should have checked out the power supply and motherboard, too. I followed the directions on the Dell support website about turning off the PC, unplugging it, waiting 10 seconds, and trying to power on again. No luck. (Yes, I did plug it back in again.) ;-) Also did the next solution offered. Unplug all peripherals, unplug, wait 10 seconds, and try the power-on again. Still no luck. I've got an old Dell 8250 that is more reliable than this XPS 600! I'd replace the power supply myself but can't figure out how to remove it from the main chassis. Any tips?

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Sounds to me like the fan is on the way out ,and if the cpu gets too hot the pc will shut down.
check that the fan is not obstructed,clean it if it is full of dust, replace it if it is not working as it should.

also listen to the power supply fan, is it working ok,this could cause the same type of problem but for different reasons.

good luck
Terry

Posted on Mar 12, 2008

  • terry Mar 12, 2008

    well thermal paste is used on a cpu and heat sink, while the heat sink is held on by a clamp,

    the thermal paste will not hold the heat sink in place on the northbridge by its self ,unless it has a clamp,it sounds to me that the motherboard is on its way out.



    Note: thermal paste is toxic.



    sorry im all out of idea's now

    please rate my efforts

    good luck

    Terry

  • terry Mar 12, 2008

    well heat is poison to motherboards & cpu's ,the heatsink that was on the northbridge may have been off for a long time damaging it ,sorry i cant heip you .looks like a new board is needed.

    cheers

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I have the same problem with my Dell XPS 600. i took it to a PC shop and they tlod me it was the mother board. I called dell and they told me it would be $280 for a new mother board. this happend 1 month after the warenty exired. I wish i could buy my own now mother board from a 3rd party vendor. Does any one know where i can get one or does it have to be the dell one.?

Posted on Mar 26, 2008

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You can get these for $159 here. A new motherboard is the common solution to diagnostic light #4 with orange power button (no boot).
http://www.impactcomputers.com/gc375.html

Posted on Oct 03, 2008

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