...new 350 watt power supply and it still doesnt turn on ..? SOMEBODY [ PLEASE ] help me out with this problem because ive been so frustrated trying to fix my computer ..

1.is your power cord o.k?2.see if your cpu(micro processor) is o.k3.check if your memory is o,knote:steps 2. and 3. can be achieved by swabing from a good pc of similar spcifications.good luck

Did ya flip the off and on switch? Its on the backof the ps

There are so many causes why Computer refuses to turn on. Sometimes the problem is just a simple one, but it seems you already know something about Computer Troubleshooting since you already bought a power supply.I suggest you to visit this site, hope this will help.How to Troubleshoot a Dead PChttp://sacada2.net/dead-computer-troubleshooting