Power supply upgrade

[rayneman]

Hello,
I have a Dell Dimemsion 4600 pc3200 1gb,80gb hd. 250w power supply. I added to dvd burners after the computer is on for acouple of hours it runs hotter and makes alot of noise. Is it coming from my power supply?

 

[jsc]

Don't know. Open the case and check.