When i turn on my computer or leave it on for a few minutes or so it will automatically just shut down and go into power save mode its a dimension 5150
Pentium 4 CPU 2.80 GHz 2.79 GHz ram please help me thanks
Check your BIOS settings, it almost definately has something to do with internal hardware rather than operating system side of things. Not wanting to sound patronising, however, if you dont know how to do this, reboot and its usually DEL or F12 for BIOS