Tested the mobo on the bench with a power supply and monitor, powered up o.k. and looked at the bios setup. Installed the mobo into my case, connected all the power leads (with the power supply in the case) and all the cables, etc. Mobo did not power up. Nothing happens at all, no fans start. Pulled out mobo and tried it on the bench again, with the power supply I used to test it before on the bench, and the same problem. It still doesn't power up. Has anyone had this problem before?
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May be. have u tried another monitor? if not then pls try to do that . If the other monitor does not work then it can be an issue with the motherboard......Do u have any graphics card installed? IF yes then then setting are needed to checked and changed (if necessary) in bios.
assuming that u r a professional.. hv u tested the 3.3v..the ram..the cmos battery (above +3v)..the cpu.. if so look for the smd fuse..capacitors (esp above 1000mfd)..mosfets..circuitry at the south bridge..the crystal clock generator.. hope this'll work..else contact system admin/vendor....
First off is the power supply powerful enough for this new mobo? is it new, old?. Is the motherboard securely earthed either in the case or on test bench? If you have it in a case already strip out everything leaving just the motherboard and graphic card in. Power up now. If this works put the memory back in. Then hard drive etc until you have everything you need installed. If it doesn't work you should try another graphic card if you have access to one. Also make sure the graphic card is seated properly. If none of the above works then there is a good chance you have a faulty motherboard so best to replace it.
motherboard problem motherboard can't display when switch on, the cpu fan faster no beeping . I had change power supply, but same.Check the keyboard LED,Not flash.I had remove the ram but can't hear beep. PC speaker ok conferm. Monitor display tested monitor its ok . But no comming display. Can you help me? How i can solve this problem?
Did you try to unplug all AC Power; remove internal surface battery; and then jumper the 'reset' pins from 1-2 to 2-3 ?
Leave in this state for about 5 minutes- then replace battery; re-jumper back to pins 1-2- replace AC power cord.
Sometimes wiping out the BIOS setup information and restarting/re-setting it up will do the trick!
Try getting a slower cpu, I have a 3.0Ghz P4 with 512mb of ram and it works great, I emailed them about upgrading ram and they said: "Upgrading the memory would not affect
the Video card, unless the memory is not compatible with the motherboard, then
the computer might not turn on at all."