Help Troubleshoot Dead Machine

[Ernest T]

I have the following self-built system which has worked great for the past 2 years:

MSI K9N Platinum MB
AMD 64 X2 4200+ CPU
ATI All-In-Wonder X1900 Video card
2 GB Crucial Memory
450 Watt Antec Power Supply

Machine locked up yesterday. When I tried to restart I get no POST, no beeps, but the fans and hard drives power up OK. I have tried the following:
-Reset the CMOS
-Switched out the memory
-Reseated Video card, memory, and CPU
-Removed MB from case with CPU/fan, Video card, plus 1 stick of Memory and still have same problem

The D-bracket which came with the MSI MB shows 4 red LEDs, which may indicate a CPU problem, but the MSI tech told me it could be other problems as well. I do not have another video card or CPU to try.

Any suggestions from here? Should I send the MB back? Is this more likely to be a MB problem or CPU, or could a bad Video card cause the system not to POST, or is it something else?

Thanks in advance for any help.

[HoustonIT]

strip it down to just power supply, motherboard, and cpu/fan. Do you get any beep codes? If so install the ram, one stick at a time. Then install the video card. The point at which you don't receive any beep codes it the bad component.

[Ernest T]

strip it down to just power supply, motherboard, and cpu/fan. Do you get any beep codes? If so install the ram, one stick at a time. Then install the video card. The point at which you don't receive any beep codes it the bad component.

Thanks for your help. I gave this a try. Stripped it down with nothing but Power supply, MB, and CPU/fan. I get no beep codes (I did hook up the case speaker). The CPU fan powers up, but nothing else. I guess this leaves the CPU or MB as the problem. I checked and both are still under warranty. I think I'll jsut sent both back.

Thanks again for your help!

[sittas87]

Hi
That being the case Ill say its the mobo. It can be the cpu... but my instict tells me its the mobo. make use of youre warranty

cheers