Having problems with your PC Desktops ?

Computer comes on, goes off, comes on, goes off, comes on, etc...

\015 This is a new machine just assembled-all hardware is new.Motherboard. Intel DG965RYProcessor. Intel Pentium D 3.4 GHZPSU 650 Watt (not sur of brand w/o cracking case)HD. Segate Barracuda SATA 200 GBMachine also has 1 well tested DVD ROM DriveMemory. 2 Patriot 1 GB Modules (2 GB total)No OS (will be Win 7) because I cant get it to stay on.In all my years this is a new one guys. When I turn the machine on it just runs for about half a second then shuts down, then comes back on again for about the same length of time then shuts back down, then back on, then back down, back on, then back down and so on. This will continue until I physically shut it off. I've double checked thermal grease and seating of heat sink to the processor and other overheating issues and eliminated all of them, Still the same thing persists.Any help out there guys with this problem?Thanks in advancePhoenix\015

Answers :

Troubleshoot by replacing SMPS ,RAM, motherboard and hard disk one by one
Repair Help & Product Troubleshooting for PC Desktops

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