computer powers on but does not bootClosed

Question

Hello,

I am trying to respond to another post, but I am not sure if I am in the right place.  On Dec 22, 2008, DJ Akshay wrote:

"...The processor cannot be faulty but still if you want to check it, remove the CPU Cooler fan. Then turn on the PC. 

Place your finger on the processor for 2 seconds. You should find the processor heating up. Then turn it off immediately. If this works then your processor is good. 
Remember not to leave it ON for more than 5 secs."

My question is this:

If the motherboard is bad, will the processor still heat up.  I am trying to determine if the problem is the processor or the motherboard because I bought them from seperate companies and of course, they each want to blame the other.  Long story short, replaced motherboard and processor, now fans are running, but no video at all.  No words on screen, no beeping at all.  I took ram out and booted like that and it didn't even detect that ram was missing.  No beeping.  Also removed battery and booted, same thing, no beeping, nothing.  Unplugged everything from motherboard other than front panel power, booted it, no beeping, no video, nothing.  So trying to determine if it is motherboard or processor problem.  Anyway to test the processor if the motherboard is not working?  Or test motherboard if processor is not working?

Thanks in advance and sorry if I put this in the wrong place.



Configuration: Windows 7 / Internet Explorer 8.0

toubib32 · Answer

Hello Julie, :)
although it was a well edited text, I did not understand if now you did got the problem or you just want to know for knowing :)
Anyway, you could try another processor knowing as functioning with your motherboard as you could try a knowing fine motherboard on the processor :)
Is it the answer to your question?
PS: Who is DJ Akshay?

jack4rall · Answer

Hi Julie,

1) If you notice that your CPU FAN is running, but failed to get any display, then

there must be some problem in your motherboard. Example : There will be a 

component that will send signal to your BIOS chip , if that component gets 

damaged then even if the processor is fine and CPU Fan is running, you won't 

get any display because BIOS is not getting activated.

or If any component related to RAM is damaged even then you won't get display.

2) If there is a major problem in your motherboard, then even when you

 switch ON, the processor fail to work and you can also notice that cpu fan won't

be running.

Note : If you remove your CPU cooling FAN to check the processor, don't keep it 

ON more than 2-3 secs otherwise your processor may get damaged.

Most of the cases the problem will be with the motherboard.

Even check your RAM aslo. Even bad RAM results you no display in monitor.

Fackley · Answer

I just built a new machine using an AMD processor and a Gigabyte motherboard.  Twice now after working on the machine, I can turn the power on, but nothing works and I cannot turn the power off without pulling the plug or switching from the case rear.  I discovered that by removing all of the usb devices from the rear of the machine, the system will boot and screen will display.  When I add all the USB devices back on to the running machine, everything works fine from then on.  So - try removing anything connected to the machine except for the monitor, keyboard and mouse.  Maybe that will work.  It did for me.

Computer powers on but does not boot

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