PC Turns on for a sec and turns off

By geauxdux ·
Retrofitting a P4 3.2mhz machine with a Core 3 Duo 6230, Intel Motherboard, 2 GB Ram, Western Digital 250 GB SATA II HD, Nvidia 7300GS video card and a couple of DVD drives.
Power Supply is a new Antec HE500.

When I turn on the machine, fans kick on for a few seconds, I hear the HD Spin, and the machines shuts down.

if I remove the memory, MB beeps like ****.
24 Pin connector is securely fastened
2x2 connector is also firmly connected.
If I unplug the heatsink fan, machine runs.

What the **** is going on?
I checked the seat of the proc. Looks good.
Heat sink is securely in place.
There are no extra brass posts under the board.

Symptoms are a weak power supply but it is a new 500 Watt Antec.

Anyone seen this before?

This conversation is currently closed to new comments.

Thread display: Collapse - | Expand +

All Answers

Related Discussions

Related Forums