Freezing and beeping

[Ross5160]

hi, my cheap WalMart Acer laptop freezes and beeps twice at random times. It does not beep twice as it boots, but rather after using it for a while. When I look at a cpu load graph the cpu is running at 90-100%.
Thanks for the help,
Ross

 

[Emerald]

what are the temperatures?

 

[Ross5160]

I don't have the computer right now, I will check temps. on monday. Any other suggestions?
Thanks,
Ross