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having issues with computer



adam14212
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Submitted by adam14212 on July 5, 2008 - 10:17am.

hello everyone adam here ... my moms computers acting wierd i built her a little box for doing work on scince her aging lappy is not workin too good i put in a new cpu ... A p4 3.06ghz chip w/ hyper threading on a shuttle board ... it was replacing a 3.2 celeron which was slower than molasses in january lol and now it is being a pain in the butt it posts and goes through the initial win loading phase but once it gets to the part where i log in it doesnt show me the pictures it iether gives me a bsod or just dies ... is the mobo shot or possibly the chip or are my bios messed up ... i could try flashing the bios but i really dont wanna do that.

thank you for all youre help in advance

... UPDATE!!! ...

now my litte brothers computer wont even turn on ... its a little e machine and when i hit the button i dont get any lights and the fans dont even budge ... might be a PSU ... whadda you guys think...

thx!

adam14212

‹ MY COMPUTER WONT TURN ON! Help!!! my monitor keeps flickering? ›
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Re: having issues with computer
July 6, 2008 - 5:27am

On your mom's PC, did Windows ever load successfully after the CPU replacement?  Did you reinstall Windows after replacing the CPU?  Hmmm.  It's odd that it gets to the logon screen and hangs.  Doesn't make me think it's a hardware problem or a hardware abstraction layer issue but I haven't run into all problems out there either.  Were it mine, I might do a repair install of Windows.

On your bro's eMachine... might be a PSU or a bad power button.

Since you seem to know your way around a PC as far as MB's, voltages and stuff, I'll throw this in:

With the PC turned on, check one of the unused molex connectors with a multimeter.  Set the multimeter on volts and check to see if there is any juice coming out: Molex pin voltages are yellow:12v, red:5v, black:ground.

Also might be a bad power button on the eMachine.  You can check this by going to the corner of the motherboard where the front panel connections (power switch, power LED, HDD light, etc) are.  Most PCB's have the pins labeled.  You want to find the two power switch pins ("pwr" or "pwr sw") - first make sure this is plugged in securely - loose connection here might be the problem.  Unplug, reconnect and try to power on.  If not, then try to physically connect these two power switch pins with each other using a very small screwdriver.  You will need to remove the power switch plug to get to these two pins.  If the PC starts, the problem is with the power button or its connections.



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