August 30th, 2008, 02:00 AM
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#1 (permalink)
| | Junior Member
Join Date: Aug 2008
Posts: 4
| Dell Dimension 4600 Motherboard heatsink latch broken
I have a Dell Dimension 4600 that was booting up and shutting down shortly after making it to the operating system. I've read about all possible problems but found when I opened the case that one of the clips that holds the heatsink on the microprocessor was unlatched. I suspect that this was what was causing the problem with shut down.
When I looked at the place where the latch was supposed to clip onto I found that the plastic was broken, thus the latch had nothing to clip on to. I think that this plastic square that the heatsink sits in and is connected to is part of the motherboard. If so, do any of you have any suggestions on how I can rescue this computer when I can't latch one side of the heatsink? Also do any of you agree that the headsink being unlatched on one side could have caused the computer to shut down? Thanks for any help you can give.
Last edited by spencj : August 30th, 2008 at 02:05 AM.
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August 30th, 2008, 11:22 AM
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#2 (permalink)
| | Ultimate Member
Join Date: May 2002 Location: Jersey (Joisey)
Posts: 1,857
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This is definitely the cause. Unfortunately, there is no easy fix. You will need a new motherboard. 
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August 30th, 2008, 12:04 PM
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#3 (permalink)
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Join Date: Aug 2008
Posts: 4
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Thanks for your reply. Some questions. Do you think it's worth the expense of replacing the motherboard in a unit this old? If yes, where is a good place to find a compatible replacement? Also, is it possible that the problem with the loose heatsink might have created problems with the microprocessor? It definitely shut down rather quickly after completing boot. |
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August 30th, 2008, 12:25 PM
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#4 (permalink)
| | ATI 4850 FTW!
Join Date: Mar 2005 Location: Midwest
Posts: 5,274
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If it serves your needs as it is, and if you can find an inexpensive board, then it may be worth the cost.
Or, you can rebuild the Dell with a new case, power supply, motherboard with Integrated Graphics if you don't game, and CPU. That would be about $300-$400, depending on what you get. |
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August 30th, 2008, 12:30 PM
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#5 (permalink)
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Join Date: Aug 2008
Posts: 4
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August 30th, 2008, 12:38 PM
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#6 (permalink)
| | Ultimate Member
Join Date: May 2002 Location: Jersey (Joisey)
Posts: 1,857
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I doubt that the CPU was damaged. The PC is designed to prevent that.
You may be able to get a replacement motherboard on eBay. #43's advice is good, but it comes with penalties. You will need a new Windows CD and connecting the front USB ports may be a real headache - perhaps impossible unless you get the new case.
Last edited by BipolarBill : August 30th, 2008 at 12:41 PM.
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August 30th, 2008, 12:55 PM
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#7 (permalink)
| | SoMuchAnime-SoLittleTime
Join Date: Aug 2003 Location: Plymouth, WI
Posts: 13,670
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A new motherboard isn't needed. Just buy a new heatsink. Newegg.com - Socket 478, CPU Fans & Heatsinks, Fans & Heatsinks, Computer Hardware
The one thing to note is that you will also need a 4pin to 3 pin adapter to connect the fan directly to the power supply.
Depending on the heatsink you get, you may need a new mounting bracket for the heatsinks as well (the images for most do not show them coming with mounts).
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Last edited by EXreaction : August 30th, 2008 at 01:00 PM.
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August 30th, 2008, 01:09 PM
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#8 (permalink)
| | Junior Member
Join Date: Aug 2008
Posts: 4
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Would I be able to lock it down when I have the broken plastic latch hook that appears to be attached to the motherboard? |
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August 30th, 2008, 01:16 PM
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#9 (permalink)
| | Ultimate Member
Join Date: May 2002 Location: Jersey (Joisey)
Posts: 1,857
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A new heatsink won't work unless there are screwmounts on the motherboard as an alternative. Dell isn't big on providing alternative mounts. |
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August 30th, 2008, 01:17 PM
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#10 (permalink)
| | SoMuchAnime-SoLittleTime
Join Date: Aug 2003 Location: Plymouth, WI
Posts: 13,670
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That plastic mount comes off.
I've put a new heatsink on my own 4600 motherboard already before.
There are screw mounts on the chassis for a new mount as well. |
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