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My computer stops working, how can i detect the problem?

By Geekinthehouse ·
Last night i installed an operating system....... everything is going well until the installation is finished..... and then it went good..... but suddenly the whole pc shuts down, with no beeps, no prompt, no process just..... shutdown...... and when i turn if on "again"..... the red laser near the button just spark once.... and when i look the fan inside its working for just one (1) second, i did try to open my cpu and i'dd check the power supply and its working.... is my motherboard dead for real? or it needs to cool down a bit?

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What are you asking here?

by OH Smeg In reply to My computer stops working ...

Last night i installed an operating system....... everything is going well until the installation is finished..... and then it went good..... but suddenly the whole pc shuts down, with no beeps, no prompt, no process just..... shutdown

So it turns off with no warnings right?

and when i turn if on "again"..... the red laser near the button just spark once

Laser what are we dealing with here?

and when i look the fan inside its working for just one (1) second

Which fan on a Power Supply or a Central Processing Unit?

i did try to open my cpu and i'dd check the power supply and its working.... is my motherboard dead for real? or it needs to cool down a bit? .

What exactly did you do the the CPU here they are a single unit that is not possible to open and have work again?

How did you confirm that the Power Supply is working correctly?
Just because a Fan spins or a LED lights by no means that the Power Supply is working. At best it only indicates that there is sufficient voltage on that Power Rail and in no way implies that the Voltage is correct or that there is enough current to run anything. Let alone that the Values are correct across all of the Voltage Rails.

As to if the M'Board is fried this depends on who made the Power Supply to begin with, if it's a cheapy anything is possible as the cheap nasty ones do not offer sufficient protection from Power Spikes and allow any Voltage Surges to get to the internal Electronics on the M'Board, HDD/s, and so on.

Also depending on the Maker of the M'Board there may not be sufficient Capacitance built into it so any Voltage Spikes get passed along to everything inside the case.

Now assuming that this is some form of computer and you have not destroyed the CPU by attempting to dismantle it I would suggest trying another Power Supply and see if there is any difference.

If there isn't test the Power Supply inside your Case on another computer and see if that works. If it does you have a major problem with your computer and you need to take it to someone to properly Fault Find what has happened.

Also look at the Heat Sink on the CPU and make sure that it's not full of Air Born Crud which is preventing it shedding heat and allowing the CPU to overheat.

OH BTW this is a CPU

http://en.wikipedia.org/wiki/Central_processing_unit

This is a Computer Case

http://www.computer-hardware-explained.com/desktop-computer-cases.html

Which contains the M'Board and CPU it's not a CPU.

Col

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