no post no signal to monitor, fried mobo?

July 4, 2011 at 23:39:51
Specs: Windows 7, AMD Athlon 64 / Corsair VS512MB400 ram
I built this computer over 5 years ago and did not have problems with it once I finally got it running as it was my first built computer. I stopped using it after getting a laptop, but I remember having problems with it a long time ago. I do not remember specifically what was wrong but when I tried booting it up recently there is no post and no signal to the monitor. There is no post with or without ram in the motherboard.

I know the lcd monitor is in working condition.

I have a KM400-M2 motherboard which i have read has a small speaker on the motherboard which explains why I could not find a place to put the Speaker cable from the case. However, I have never had this motherboard post since I built it, even when it was working stable.

My videocard is an ATI x1950 GT. I have tried plugging the monitor into the videocard and motherboard both receive no signal.

The power supply is 550w, lights up fine. All fans and LEDs work perfectly, hard drive and cd drive run. cd drive can open and close when pressing the button.

What other steps should can I take in isolating the problem, or any suggestion on getting this motherboard to post?

dead or fried motherboard?

See More: no post no signal to monitor, fried mobo?

July 4, 2011 at 23:43:37
Also, when plugging in my USB keyboard to my working laptop, the LEDs flash, turn off for 5 seconds then turn on steadily for as long as it is plugged in. When plugging it into the computer, the keyboard LED flashes then never turns back on.

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July 5, 2011 at 06:43:42
Here's the board:

To troubleshoot, you need to narrow down the possibilities. The board has integrated graphics, so remove the x1950 & connect the monitor to the onboard port. If you have 2 sticks or RAM installed, remove one. Disconnect ALL drives & remove all cards - none are required for troubleshooting the board. Disconnect all external devices except for the monitor & keyboard.

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