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pc not working
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bagpuss69
Suspended due to non-functional email address
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30. March 2007 @ 20:46 |
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I have a pc that does not seem to be powering up, when i plug the power lead into the psu the cpu fan and the case fan starts straight away but when i press the power button on the pc i get nothing no hdd light, no keyboard lights and no post nothing at all onscreen, please could someone help as i am going crazy. why are the fans starting when i havent even pressed the power button?
thanks in advance
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haza12d
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30. March 2007 @ 22:57 |
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What are the specs on your machine? Did you build this yourself? If so, check connections from PSU to your mobo... if not, try another PSU and see if that does the trick. If not, process of elimination. Good Luck =)
XPS Gen.4 3.6GHz, 4GB RAM, 250GB+750GB Seagate HD, BenQ DW1650, BenQ DW1655, Samsung SE-S184M (External) Dimension E520 3.0GHz 3.5GB RAM, 74GB+500GB Seagate HD, Samsung SH-S183, Samsung SE-S184M (External)
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bagpuss69
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31. March 2007 @ 06:53 |
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I did'nt build it i just put cpu,memory, optical drive and hdd in
MSI MPC mega 800k (Barebones)
AMD Athlon 64 3000+ cpu
2x512 mb ram (DDR 266)
20gb hdd
phillips cr-rw drive
onboard sound and graphics, but has agp slot
it uses a micro psu not sure what size but think it is only about 230
thanks
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Zeyf414
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31. March 2007 @ 15:03 |
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haza12d, may be on to something. can you give us the make of that power supply unit. PSU's are the backnbone of any system and if its bad you'll have all kinds of issues.
I also would say make sure your power connections are correct to your motherboard. No posting is troubling.
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bagpuss69
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31. March 2007 @ 16:15 |
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Zeyf414
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31. March 2007 @ 16:40 |
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I am concerned that you're not even posting. How old is your PC? Is it still under warrenty? If it is I strongly suggest returning it for diagnostics and repair if needed.
Also, I never heard of that power supply before and 250 watts may be underpowered. is this a microsystem as a whole?
This message has been edited since posting. Last time this message was edited on 31. March 2007 @ 16:41
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bagpuss69
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31. March 2007 @ 17:18 |
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Yes this pc is a sff system, i am beginning to think i may have a damaged bios chip
thanks
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haza12d
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31. March 2007 @ 18:07 |
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OK, start from scratch. Remove/disconnect everything from power lines to HD/CD Drives, and memory. Then start putting it back together to see where the fault is. I'm thinking its a bad PSU or one that is improperly connected to the mobo.
XPS Gen.4 3.6GHz, 4GB RAM, 250GB+750GB Seagate HD, BenQ DW1650, BenQ DW1655, Samsung SE-S184M (External) Dimension E520 3.0GHz 3.5GB RAM, 74GB+500GB Seagate HD, Samsung SH-S183, Samsung SE-S184M (External)
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bagpuss69
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1. April 2007 @ 07:05 |
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All i have plugged in is the 20 pin and 4 pin connections from the power supply, the case fan and the cpu fan and still the same, fans start,nothing else maybe i should get a pci diagnostics card
thanks
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bagpuss69
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1. April 2007 @ 07:48 |
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I have just tried a different power supply and still the same results
this is really confusing me
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ddp
Moderator
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1. April 2007 @ 09:59 |
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check the can shaped objects on the motherboard which are capacitors. make certain they are flat topped & not domed. try clearing the cmos as have found that to work sometimes to kickstart a system.
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