chris_uk
Premium Member
Registered: 8th Jul 03
User status: Offline
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rite...
my mum and dad have a tendancy to just turn my computer off at the mains.. which is very annoying if im downloading something of its defraggin or virus checking... u get the picture..
now i went to tun it on this morning to find it doesnt work.. i remembered that they switched it off at the main, so i flicked it back on and pressed the power button..
power came on for a second then went off.. dead machine.. just as im about to have a look inside it jumps to life.. lasts about 10 seconds then dies for good..
so i turn all power off and on and try again.. now it starts when i press the power button but still cuts out after about 10 secs..
does anyone know what could be causing this??
p.s i cant do any tests at the mo coz i got anygry and put a screwdriver through my CPU... oops.. 
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--Dave--
Banned
Registered: 17th Feb 04
Location: Essssseeeeex Drives: Black Supra TT
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sounds like it could be the power supply mate. I'd start there first.
I wouldnt rule out any of the other components though.
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drax
Member
Registered: 5th Feb 05
Location: Sittingbourne, Kent
User status: Offline
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id reseat the ram, check that the heatsink hasnt some how come off of the CPU as well erm. if u put a screwdriver thru the cPu have u maybe damaged the mobo
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chris_uk
Premium Member
Registered: 8th Jul 03
User status: Offline
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naa the cpu was out of the m/b when i did it..
tried reseating the ram and tried a different PSU..
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Dan B
Member
Registered: 25th Feb 01
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Could be anything, really, if it's been switched off at the mains a few times......but, if you've tested with a new PSU, you can possibly rule that out.
Possibly motherboard, though, if the power to it's been suddenly shut off.
Oh, and educate your parents never ever to turn a computer off by the mains, under ANY circumstances (well, maybe if it's on fire).
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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sounds like something has gone pop, if its working for 10secs then dieing im guessing PSU is fine, i suspect motherboard has fried somehwere, or a component has given up, causing a serious lock-up or crash
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chris_uk
Premium Member
Registered: 8th Jul 03
User status: Offline
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i have a feeling it could be the HDD coz u can hear the HDD spool up then die 
fucks sake!"!!
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Dan B
Member
Registered: 25th Feb 01
User status: Offline
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Disconnect all the hard-drives, and boot it up......should go through BIOS, and then give you a System Disk Error (or similar).
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mjw_2k2
Member
Registered: 18th Sep 03
Location: Anglesey, North Wales
User status: Offline
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try checking the fuse in the plug as well!!! basics first
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Planty02
Member
Registered: 5th Mar 05
Location: Burslem, Stoke-on-Trent
User status: Offline
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I would have thought that the HDD is the component most likely to take damage when switched off at the mains
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Planty02
Member
Registered: 5th Mar 05
Location: Burslem, Stoke-on-Trent
User status: Offline
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quote:
Originally posted by mjw_2k2
try checking the fuse in the plug as well!!! basics first
if its the fuse it wouldnt start at all would it?
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mjw_2k2
Member
Registered: 18th Sep 03
Location: Anglesey, North Wales
User status: Offline
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true lol :-)
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mjw_2k2
Member
Registered: 18th Sep 03
Location: Anglesey, North Wales
User status: Offline
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right then, have you got a power surge device fitted?
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mjw_2k2
Member
Registered: 18th Sep 03
Location: Anglesey, North Wales
User status: Offline
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try refitting all power connections especially to the board, try smell for any smoke usually sign of power surge, dont bother with drives etc wouldnt b them
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mooney
Member
Registered: 20th Oct 05
Location: north west uk
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if it was the hdd it would still boot up but then tell you theres no hdd installed,
sounds like motherboard to me, if it comes on for a few seconds then stops make sure your cpu fan is spinning,
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PaulW
Member
Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline
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tbf does sound like the PSU
if the computer is on when its switched off at the mains, espech if its doing something like a virus scan or has a bit of system load, its enough to strain the psu and damage it a little
id just tell your folks they killed it, get them to buy a new psu or replace the computer, and fit an isolator to the socket so they cant turn it off
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Sam
Moderator
Premium Member
Registered: 24th Dec 99
Location: West Midlands
User status: Offline
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Give them a slap TBH.
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drax
Member
Registered: 5th Feb 05
Location: Sittingbourne, Kent
User status: Offline
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unplug everything apart from ram. graphics card and power.
you might need the cpu in there too, but you should be able to stable boot to the BIOS with only those things
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PaulW
Member
Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline
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the cpu will be needed for the system to even post...
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