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10-23-2006, 09:42 PM
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#1 |
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Member (4 bit)
Join Date: Oct 2006
Posts: 11
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New Build... computer starts, shows running on screen and then shuts off......
Just powered on my computer for the first time (no OS)... and it turns on fine, no beeps from bios, shows bios on screen but after about 20 seconds the power cuts off... no beep, no warning just dies... after many tries it keeps on doing this... sometimes its on for 20 sec sometimes less...
Any advice? |
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10-23-2006, 11:17 PM
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#2 |
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Forum Administrator
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Premium Member
Join Date: May 2000
Location: Joplin MO
Posts: 37,765
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Full specs, please.
http://forum.pcmech.com/showthread.php?t=132409 Almost sounds like you have a socket 775 build with a heatsink that's not properly installed. |
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10-24-2006, 09:10 AM
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#3 |
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Member (4 bit)
Join Date: Oct 2006
Posts: 11
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Thanks… here is the system…
CPU: Intel Core 2 Duo E660 Motherboard: ASUS P5B Deluxe w/ Wifi Core 2 Duo Supported Socket 775 ATX Motherboard Graphic Card : ATI Radeon X1900GT HardDrive: 3x Seagate 320GB SATA-300 Hard Drive (for RAID) |
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10-24-2006, 10:18 AM
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#4 |
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Forum Administrator
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Premium Member
Join Date: May 2000
Location: Joplin MO
Posts: 37,765
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Remove the motherboard from the case and reinstall the heatsink. The 4 pins must snap completely into the holes in the motherboard then they must be locked down with a 1/4 turn.
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10-24-2006, 10:58 AM
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#5 |
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Shiro Usagi
Premium Member
Join Date: Sep 1999
Location: Kaneohe, Hawaii
Posts: 34,002
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10-24-2006, 12:51 PM
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#6 |
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Member (5 bit)
Join Date: Oct 2006
Posts: 21
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Same issue
I'm getting simular results. Here is my system:
Asus P5n32-SLI LGA 775 CoolMax CW-650T 650 W ATX v2.01 Intel Core 2 Duo E6600 Conroe 2.4GHz Corsair XMS2 2 x 1GB DDR2 BFG Tech GeForce 7600GT (to be upgraded to 2 boards later on) Wester Digital 250GB SATA HDD Cooler Master Mystique Case Samsung 225BW 22" LCD monitor Put the CPU memory and grphics card on the mobo, then put the ps in the case, hooked up the power cords, pluged in the HDD, hooked up the monitor and power. Hit the power button; all fans humming, no beep, keyboard lights flash, can sometimes get POST screen and even get into BIOS. But uslualy everything shuts down before then. From searches and this thread it sounds like I may have a short to the case or need to reseat my heatsink. I'll try pulling everything when I get home from work. I'll post my results! Is there anything else that seems to stick out that I've missed? Thanks! WB |
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10-24-2006, 08:52 PM
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#7 |
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Member (4 bit)
Join Date: Oct 2006
Posts: 11
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Over one hurdle....
I think it was the heatsink (thanks guys!  ) I took out the motherboard, took it out, put it back ..... now the computer does not shut itself off! Unfortunatly, nothing is showing on the moniter (no signal is detected).... I think it is the video card as yesterday in my brief periods of seeing the bios, it was either small, fuzzy, or red... Do you think its my video card or something else? |
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10-24-2006, 09:00 PM
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#8 |
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Not so new
Join Date: Aug 2006
Location: Maryland, United States
Posts: 2,576
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It was probably a shortage somewhere.
As for the no signal problem, could it perhaps be your monitor? If not, I'd try a different video card or just return it.
__________________
“To me there are three things everyone should do every day. Number one is laugh. Number two is think -- spend some time in thought. Number three, you should have your emotions move you to tears. If you laugh, think and cry, that's a heck of a day.” - Jim Valvano |
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10-24-2006, 09:21 PM
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#9 |
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Shiro Usagi
Premium Member
Join Date: Sep 1999
Location: Kaneohe, Hawaii
Posts: 34,002
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If the motherboard in or out of the case right now?
Is the video card inserted fully into the PCI-Express 16 slot? Does the video card require a separate power cable and if so, do you have it connected?  Cricket
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10-24-2006, 09:23 PM
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#10 |
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Member (4 bit)
Join Date: Oct 2006
Posts: 11
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1. in
2.yep 3.yep I even tried it in two PCI E slots and when it did work yesterday the screen was funky |
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10-24-2006, 09:24 PM
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#11 |
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Kickin' it
Staff
Premium Member
Join Date: Jan 2002
Location: USA
Posts: 7,723
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Try out of the case: http://forum.pcmech.com/showthread.php?t=132409
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10-25-2006, 05:19 AM
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#12 |
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Forum Administrator
Staff
Premium Member
Join Date: May 2000
Location: Joplin MO
Posts: 37,765
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Geminiwb, please start your own thread instaed of jumping into someone else's. We are pretty insistent on that here so people can get the help they need without digging through a bunch of other posts. Thank you.
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10-25-2006, 09:17 AM
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#13 | |
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Shiro Usagi
Premium Member
Join Date: Sep 1999
Location: Kaneohe, Hawaii
Posts: 34,002
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Quote:
If the problem remains even with a different video card then you may have a defective motherboard. Cricket
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10-25-2006, 03:19 PM
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#14 |
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Member (4 bit)
Join Date: Oct 2006
Posts: 11
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Hey! Exchanged the video card today... same problem.... the computer does not die anymore and all the fans are powering up .... could it be the motherboard? Anyway to check this? I would think it is considering all the fans from the motherboards are working. Any beeps im suppose to hear?
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10-25-2006, 03:28 PM
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#15 |
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Shiro Usagi
Premium Member
Join Date: Sep 1999
Location: Kaneohe, Hawaii
Posts: 34,002
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Are you still using the CoolMax power supply? It's not a very good quality unit. I'd try another compatible power supply just to rule that out. In fact, I'd replace the CoolMax just on principle...it's rubbish.
Cricket
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10-25-2006, 03:39 PM
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#16 |
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Member (4 bit)
Join Date: Oct 2006
Posts: 11
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nope... im on antec so i dont think its that...
its weird before the computer had a short beep before... now evreything starts, i hear harddrives but no beep... just nothing showing on screen |
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10-25-2006, 03:46 PM
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#17 | ||
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Shiro Usagi
Premium Member
Join Date: Sep 1999
Location: Kaneohe, Hawaii
Posts: 34,002
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Quote:
Quote:
Cricket
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10-25-2006, 04:18 PM
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#18 |
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Member (4 bit)
Join Date: Oct 2006
Posts: 11
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Hey!
I just made a huge rookie mistake... wasne't working due to me forgeting to put in 12v connecter... oops... thanks for your help! New problem... ahh... the power still cuts out... only now it lasts about 2-3 minutes or so before it does... loose connection? |
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10-25-2006, 04:33 PM
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#19 |
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Not so new
Join Date: Aug 2006
Location: Maryland, United States
Posts: 2,576
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Bad power supply or shortage.
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10-25-2006, 04:39 PM
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#20 | |
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Shiro Usagi
Premium Member
Join Date: Sep 1999
Location: Kaneohe, Hawaii
Posts: 34,002
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Quote:
Are you sure the LGA775 heatsink is installed correctly? Cricket
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10-25-2006, 04:44 PM
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#21 |
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Member (4 bit)
Join Date: Oct 2006
Posts: 11
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Hey yep its connected and the heatsink won't budge ..... i took it out earlier and reiinstalled it.... made sure evreything was correct
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10-25-2006, 05:05 PM
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#22 |
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Shiro Usagi
Premium Member
Join Date: Sep 1999
Location: Kaneohe, Hawaii
Posts: 34,002
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What brand RAM are you using and what speed are you using?
Cricket
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10-25-2006, 05:27 PM
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#23 |
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Member (4 bit)
Join Date: Oct 2006
Posts: 11
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hey , i tried using a diffrent power supply, same thing... on for about 2 minutes then turns off....
um im using corsaid ddr2 1gb (x 2) pc6400... faithwins
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10-25-2006, 07:32 PM
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#24 |
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Member (4 bit)
Join Date: Oct 2006
Posts: 11
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Good News!
Took out and put back in CPU.... reinstalled heatsink and IT WORKS!!! Thanks so much for your help |
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