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CPU Dead ? Need help buying new parts

post #1 of 8
Thread Starter 
Hi guys n gals,

A friend of mine has got an eMachines 420 tower socket 478, when he switches it on the power switch stays orange(not green) the hardrive spins up, the graphics card fans spins, the dvd drives work but no signal on the monitor and the CPU FAN DOESN'T SPIN.

I was thinking that the cpu fan has gone and taken the cpu out with it, he's tested the cpu fan connector on the motherboard with a multi meter and its giving 12V which is normal.

Question is, should he get another socket 478 cpu (if i can find him one) try that and hope its just the cpu/fan thats gone or should he buy a new motherboard and cpu ? I was thinking something like a socket 775, how cheap could he get a socket 775 motherboard for in the uk ? He only needs something cheap like a £30 3.0GHz celeron D or something for the cpu.

The cheaper the better

The only thing to take into account is that the board needs to be mATX and have 2 ide connectors and he has got 1x1GB DDR 400 ram.

Any advice/thourghts are very welcome

Thanks
Edited by wiggy2k7 - 6/16/08 at 3:10pm
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post #2 of 8
Do make sure the board supports the CPU you're going to buy. It might very well be that the board doesn't like the 'Prescott' core (and with stock cooling, I'd stay away from it anyways) nor the Celeron D series of CPUs.

Here is a CPU that will likely work, and it comes with the stock heatsink:

http://cgi.ebay.co.uk/Intel-Pentium-...QQcmdZViewItem

Can't go wrong for that price imo.

Again, do check if it's supported by the board. If the board supports 400MHZ FSB only, we have to find another one. (but I am fairly confident this will be just fine).
    
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post #3 of 8
I wonder if he slipped a known working fan onto the CPU fan header if it would BOOT...
That is, perhaps the CPU fan is dead and the system won't boot recognizing the fan isn't working.
    
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post #4 of 8
Good point Duke. Worth a try
    
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post #5 of 8
Quote:
Originally Posted by The Duke View Post
I wonder if he slipped a known working fan onto the CPU fan header if it would BOOT...
That is, perhaps the CPU fan is dead and the system won't boot recognizing the fan isn't working.
I didn't think E-machines Bios is that smart lol
     
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post #6 of 8
Quote:
Originally Posted by Steele84 View Post
I didn't think E-machines Bios is that smart lol

There smart... you just cant teach them anything
    
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post #7 of 8
Thread Starter 
Thanks for your replys guys... yes the board does support 533FSB so that cpu would be deffo worth a try, ill ring him 1st thing tomorrow and tell him to get it.

Also i have the stock intel cooler off my Q6600, would i beable to use the fan off that to test if it will boot with a working fan ?
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Hard DriveOSMonitorKeyboard
WD6401AALS 640GB Black + Samsung F3 1TB Windows 7 Ultimate 64Bit Samsung SM2253BW 22" 1680x1050 Microsoft Digital Media 3000 
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post #8 of 8
Quote:
Originally Posted by wiggy2k7 View Post
Thanks for your replys guys... yes the board does support 533FSB so that cpu would be deffo worth a try, ill ring him 1st thing tomorrow and tell him to get it.

Also i have the stock intel cooler off my Q6600, would i beable to use the fan off that to test if it will boot with a working fan ?
If it fits on the 478 board, then yes.
    
CPUMotherboardGraphicsRAM
E8400 @ 3.8 GHz DFI LANPARTY DK X38-T2R eVGA 8400GS 2GB Mushkin DDR2 800 (single stick) 
Hard DriveOptical DriveOSMonitor
250GB WD SATA None Windows XP Pro 32-bit HP Pavilion f1703 
KeyboardPowerCaseMouse
N/A Corsair HX520 Coolermaster Cavalier N/A 
Mouse Pad
N/A 
  hide details  
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CPUMotherboardGraphicsRAM
E8400 @ 3.8 GHz DFI LANPARTY DK X38-T2R eVGA 8400GS 2GB Mushkin DDR2 800 (single stick) 
Hard DriveOptical DriveOSMonitor
250GB WD SATA None Windows XP Pro 32-bit HP Pavilion f1703 
KeyboardPowerCaseMouse
N/A Corsair HX520 Coolermaster Cavalier N/A 
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