So i bought this entire computer system. And i put i tall together. when i powered it on it would turn on for like a second or two and then stop. The processor fan spins for a second and then nothign. called mobo manufacturer and they told me that the mobo was bad like i thought. so i returned it and bought another mobo. same problem. so it's not the mobo. whats my problem? power supply?
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New Computer problem
- Thread starter KingTKS
- Start date
digital_exhaust
[H]ard|DCer of the Month - May 2008
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Um.....specs would help...
And how exactly did the mobo manufacturer determine the board was bad?
And how exactly did the mobo manufacturer determine the board was bad?
The first motherboard
FOxconn was the second i ordered
FOxconn was the second i ordered
- Joined
- Jul 17, 2006
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Please list parts so we don't have to click on a bunch of links.
Your problem sounds like a short.
If you have both the 20 OR 24 pin main ATX connector plugged in, AND the 4-Pin ATX12V P4 CPU connector plugged in, then the board should boot fine.
You could test the PSU. Unplug it from everything except the wall. Jump start it (on the main atx connector, short the green wire with any black wire, using a paperclip), and see if it stays on. If not, then its a faulty PSU. If it works then proceed.
Setup everything outside of the case, with the mobo on top of its cardboard box. Plug in only the essentials:
- PSU (namely: main 20/24-pin ATX connector and 4-pin ATX12V P4 CPU Connector)
- CPU w/ HSF
- Single stick of ram
- Videocard if there is no onboard video
- Monitor
- Keyboard
- Use a screwdriver if your board doesnt have an onboard power switch
- System speaker/buzzer
Jump the two power switch leads to turn the power on (use a screwdriver or something metal). If it won't post, try different RAM slots. If it won't post, pull out the ram (so no ram in the system) and listen for error beeps. If none, pull the vidcard and listen for error beeps. If none, re-seat the CPU/HSF and try again. If none, its the board or CPU.
Your problem sounds like a short.
If you have both the 20 OR 24 pin main ATX connector plugged in, AND the 4-Pin ATX12V P4 CPU connector plugged in, then the board should boot fine.
You could test the PSU. Unplug it from everything except the wall. Jump start it (on the main atx connector, short the green wire with any black wire, using a paperclip), and see if it stays on. If not, then its a faulty PSU. If it works then proceed.
Setup everything outside of the case, with the mobo on top of its cardboard box. Plug in only the essentials:
- PSU (namely: main 20/24-pin ATX connector and 4-pin ATX12V P4 CPU Connector)
- CPU w/ HSF
- Single stick of ram
- Videocard if there is no onboard video
- Monitor
- Keyboard
- Use a screwdriver if your board doesnt have an onboard power switch
- System speaker/buzzer
Jump the two power switch leads to turn the power on (use a screwdriver or something metal). If it won't post, try different RAM slots. If it won't post, pull out the ram (so no ram in the system) and listen for error beeps. If none, pull the vidcard and listen for error beeps. If none, re-seat the CPU/HSF and try again. If none, its the board or CPU.
- Joined
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- Messages
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If it was a short, and you didnt find it (to eliminate it), then the problem might come back.