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System will not power on when AiW Radeon is attached to power connector...
OK Guys,
Trying to narrow down a problem I am having with a new system build which consists of : Abit NFS-7 V2.0 AMD 2500 Maxtor 200GB 7200RPM ATI All in Wonder 9700 Pro Antec PP412X 400W Power Supply Here is what happens. I hook everything up, I turn on the Antec power supply switch on the back of the unit and the LAN lights on the Mobo light up, and also a small red light in the bottom right of the Mobo lights up. When I hit the power switch on the front of the case, I see the fans get a jolt of energy as they spin for a millisecond, but thats it, nothing else happens. The power supply does not turn on. BUT, if I unplug the power connector from the ATI All-In-Wonder 9700, the machine powers up fine, but the ATI BIOS kicks in ans says it needs the external power. So here is is what I have done....I took the AiW 9700 and put it in an old Abit BH6 with Antec 300W supply and the machine powers up fine, so the Radeon card appears to be OK. The second test I did was to put both machines side by side and use a power connector from the old BH6 machine to power the Radeon card......guess what, same thing happens, my new machine will not power on. So this kinda rules out a power supply problem with my Antec. It appears to be a problem with the motherboard,....what do you guys think? |
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