Computer Overheating, or possibly another problem? Help

[thedrunkrobert]

Hello, and thank you for reading my dilemma..

Firstly, I'll tell you my problem, then tell you about my computer. I'm on a different computer telling you my problem. It occured last night while I was browsing the web. I got the blue screen, and it said it was checking disk. It restarted, but when it restarted, it never rebooted. I just heard 2 beeps. These 2 beeps would continue every 5 seconds or so. So I'd turn it off, then try again 10 minutes later. This time, I just hear the 2 beeps.

The beeps is 1 short beep, then 1 long beep. 5 seconds later, same beeps.

Then, I waited an hour, and it'd start up, but shortly after I arrive at the Windows area, the monitor would either go black, and the computer would start the 2 beeps again. Or (another time I'd start it) the monitor would go black, and I couldn't do anything except unplug it.

I did some reading on here, and it may be an overheating issue, but also read that it could be a heatsink disconnection, or possibly a virus. So I just need some confirmation.

Now, here's my computer information...

I believe this is my motherboard coming from looking up my computer on the HP website

Motherboard

    *
      Manufacturer: ECS
    *
      Motherboard Name: MCP61PM-HM
    *
      HP/Compaq motherboard name: Nettle2-GL8E

HP Pavilion Media Center m8100n TV PC
AMD Athlon 64 x2 Dual-Core Processor 5600+
Windows Vista Home Premium
3072MB System Memory
500GB Hard Drive

All I know is I have an nvidia video card.

Any recommendations or help will be much appreciated, thank you.

[Computer_Commando]

...All I know is I have an nvidia video card...

This is computer:  http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01077676&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&product=3440614&lang=en

See Video Graphics section on link. 
You have integrated graphics using shared memory.  Problem is either the graphics controller or the shared memory (part of the system memory).

[thedrunkrobert]

What can I do to fix this?

ntegrated graphics using nVidia GeForce 6150SE that's the one I have.

[Cottery]

if it is caused by overheat,it might be hot around the  cooling plate.however, according to your description, it is not. i think it is the connection problem.

[Quantos]

if it is caused by overheat,it might be hot around the  cooling plate.however, according to your description, it is not. i think it is the connection problem.