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pc problem

hayton2k3 Avatar
banned9y, 1m agoPosted 9 years, 1 month ago
i just built a pc and came across a problem and it might be a simple problem as a dont really want to take it all down and build it again incase its just a wire the wrong way around

when i plugged it in and turned it on at the wall the computer turned straight on without me pressing the power button(is the wire the wrong way around on the button)

when it was on the screen said NO SIGNAL but i did plug monitor in after it turned on(is this the problem that i plugged monitor in motherboard after it was turned on)
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hayton2k3 Avatar
banned9y, 1m agoPosted 9 years, 1 month ago
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banned#1
any pc builders here able to help?
#2
Does it beep at you at all?
banned#3
megalomaniac
Does it beep at you at all?

no
#4
hayton2k3
no


Reason I ask is that if it's a POST problem the PC should beep at you. Do the fans spin up at all? Is there an error readout on the motherboard (some do some don't)?
#5
Always start with the physical, the jumper for the power switch from the case to the mobo, connnected correctly?

Gfx card need a power connection is that ok and connected?

Check all connections, boot up then next one.
banned#6
megalomaniac
Reason I ask is that if it's a POST problem the PC should beep at you. Do the fans spin up at all? Is there an error readout on the motherboard (some do some don't)?

all the 4 fans spin and the 2 in psu aswell and the power light on front lights up although the fans dont plug in to motherboard they plug in to the psu
banned#7
Alfonse
Always start with the physical, the jumper for the power switch from the case to the mobo, connnected correctly?

Gfx card need a power connection is that ok and connected?

Check all connections, boot up then next one.

i used the onboard graphics as not ordering my card till i get paid on thursday
#8
Best thing to do is to unconnect all the unnecessary stuff like HDD and DVD drives, so it's just mobo/CPU/RAM which should POST at least. If it doesn't make sure everything is seated and connected properly might also be worth checking the jumpers on the motherboard.
banned#9
megalomaniac
Best thing to do is to unconnect all the unnecessary stuff like HDD and DVD drives, so it's just mobo/CPU/RAM which should POST at least. If it doesn't make sure everything is seated and connected properly might also be worth checking the jumpers on the motherboard.

thanks il get to work on it at 1 when my son goes to play group
banned#10
tried it with ram and psu,fans power led all come on and the green light on m/board comes on and i dont even press the power button and they come on but screen says no signal and when i press power button nothing happens and when i hold it in nothing happens i have also tried it without ram and still the same not even a beep from case speaker
#11
post the specs of your pc mate.

If you have cheapo components that can be an issue. I had a mobo that had that problem and it was a £30 msi board.
#12
Repeat what Megalomaniac said, but this time, try it outside of the case, on top of the motherboard box perhaps. If it does't turn itself on automatically (this in itself isn't necessarily a bad thing, by the way - motherboards are capable of booting as soon as the detect any power, although it's unusual for that to be a BIOS default), use a screw driver or a coin to short circuit the pwr butt jumpers.

The reason I suggest this is that cases can cause power issues sometimes. It's uncommon, although I have seen it a couple of times (once, while I was at Dell, another time, with a home-made system which wouldn't POST, preferring instead to give me a bright blue flash until I insulated the offending corner of the motherboard with leccy tape). It could also be that you've been rather silly, and have bolted the motherboard directly to the mounting plate without using any mounts.
banned#13
dxx
Repeat what Megalomaniac said, but this time, try it outside of the case, on top of the motherboard box perhaps. If it does't turn itself on automatically (this in itself isn't necessarily a bad thing, by the way - motherboards are capable of booting as soon as the detect any power, although it's unusual for that to be a BIOS default), use a screw driver or a coin to short circuit the pwr butt jumpers.

The reason I suggest this is that cases can cause power issues sometimes. It's uncommon, although I have seen it a couple of times (once, while I was at Dell, another time, with a home-made system which wouldn't POST, preferring instead to give me a bright blue flash until I insulated the offending corner of the motherboard with leccy tape). It could also be that you've been rather silly, and have bolted the motherboard directly to the mounting plate without using any mounts.

lol maby what are mounts?i bolted straight to the metal poles,was i supposed to put the RED sort of washers between poles and motherboard?

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