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remove cpu?

post #1 of 14
Thread Starter 
is it safe to assume if a mobo is good and yuo remove the cpu that it should beep or error some way ?

still trying to nail down the emachines prob. have tried everything else from psu to panel power switch so im 99% sure its mobo or cpu. if the top statement is true then il be 100% mobo. thanks in advance to all helpful answers!
newegg
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newegg
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post #2 of 14
Well unless it doesn't have a speaker otherwise, it will just sit there, wasting power.
post #3 of 14
I'm confused about your issue. Can you explain?
post #4 of 14
I don't think removing the CPU while the machine is powered on is likely to cause anything positive to happen, but I suppose the motherboard wouldn't like it, and would beep at ya.

Do you have the make/model of the motherboard or computer so we can maybe find the list of beep codes and help you further?
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Dovahkiin
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post #5 of 14
Thread Starter 
its mcp73vt , its an emachines stock board, machine powers on for 3 seconds no beeps or post then shuts back off. as i said i tried other psu, ram,vid card, hdd and power switch. removing EVERYTHING from the board (one item at a time until empty) still results in same. thats why im assuming mobo over dead cpu.
newegg
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newegg
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post #6 of 14
Thread Starter 
ttt
newegg
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newegg
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post #7 of 14
Thread Starter 
cmon someone at least confirm mobo is next logical step? ttt
newegg
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newegg
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post #8 of 14
I would at least reseat the chip remove the heatsink and fan find some thermal paste, reapply a little and put it back together again and try again. And have you ruled out the video card or is it onboard video yuk.
my rig 2013
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my rig 2013
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post #9 of 14
I once turned my PC on with the CPU power plug disconnected, PC booted to a black screen that read "no CPU found".
I have read numerous posts here at OCN stating to power on your motherboard with nothing but a CPU fan installed to test it, if the fan spins then the boards power circuits
are good.

I also have had a similar situation were my PC would turn on then shut down, turned out the CPU socket had bent pins and was shorting out

I would suggest removing the board from its case and hook it up to a PSU, a CPU fan and a speaker, no CPU, no ram, no video and see what happens

when I did this with my bent pin board it still did the same thing, power on then off

(edit)
you want to remove the board from the case to eliminate the case as a possible short
Pa's Puter
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Pa's Puter
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post #10 of 14
Thread Starter 
Quote:
Originally Posted by slickwilly View Post
I once turned my PC on with the CPU power plug disconnected, PC booted to a black screen that read "no CPU found".
I have read numerous posts here at OCN stating to power on your motherboard with nothing but a CPU fan installed to test it, if the fan spins then the boards power circuits
are good.

I also have had a similar situation were my PC would turn on then shut down, turned out the CPU socket had bent pins and was shorting out

I would suggest removing the board from its case and hook it up to a PSU, a CPU fan and a speaker, no CPU, no ram, no video and see what happens

when I did this with my bent pin board it still did the same thing, power on then off

(edit)
you want to remove the board from the case to eliminate the case as a possible short
i have done all of the above.
powering on without cpu results in same shutdown. if i power on without cpu it doesnt post or beep but will stay on.
i am in process of finding a decent mobo replacement but with the 775 socket and need to use ddr2 mem aswell as wanting the 7 channel sound im very limited.
newegg
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HP 2159m Tte Sports Meka Raidmax RX730SS NZXT M59 
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newegg
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Hard DriveOptical DriveCoolingOS
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HP 2159m Tte Sports Meka Raidmax RX730SS NZXT M59 
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