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Problem for Gigabyte GA-8IE533 Motherboard
Mb doesn't start whith CPU (BOX) cooler clips locked
After about 2 years of operation PC stopped responding pwr.on command. After some manipulations I have casually noticed that it can start and works ok when CPU cooler clips are unlocked. When clips are locked only CPU and video fans are starting. When it was started with clips unlocked and than I lock clips, it hangs even in BIOS setup window. MB PCB became deformated by cooler (standard Intel box cooler for mpga478b CPU) retension mechanism and when clips are locked, PCB surface curved down about to 4mm. How can I fix the problem?
Comments:
Oct 31, 2006
- Thanx johnjo, all caps are ok.Thanx Swobovike, the cooling fan was not replaced, it still standard Intel "box" cooler all the time. It has plastic clips. On the posted picture you can see deformation, the straight line designated by white thread.
Nov 13, 2006
- Thanks again, Swobovike.Certainly this is a mecanical issue. The deformation of PCB (as a result of wrong design of mounting holes) most probably caused a poor connection of CPU with its socket. The problem can be solved using a "spacer" to eleminate deformation, but (as in my case) there is no holes neither in base nor in motherboard where it can be attached. So I put an old eraser under motherboard, directly under CPU socket. It was about 6 mm high and fit perfectly. When mounting screws were tightened, the deformation completely gone and motherboard now starts ok and works fine.
Solution #1
posted on Oct 28, 2006
this is my first attempt at offering a solution so here goes.. what condition do the capacitors look in.. are they bulging slighlty at the top (venting) and is there any brown dis-coloration on them (you can get pictures of faulty ones off the internet)i have just recapped a jetaway board which had 13 out 16 faulty and this fixed the problems i was also thinking that after 2 yrs the cooling compound on the cpu and heatsink may have dried out rs components sell it the order code is 564-311 im sure youve tried all this but thought i'd mention it regards john
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Solution #2
posted on Oct 28, 2006
I'm not sure what you mean by "deformated"? It sounds like you installed a new CPU cooling fan that was not designed for your CPU or MB. It is most likely that the retention clips are shorting out traces on or in the board, or surrounding caps or components. The only reasonable solution would be to get the correct CPU cooler for your motherboard. Do not try to run it w/o a cooler as it will damage the CPU.
Sorry I couldn't be of more assistance but this one would require closer manual inspection in order to properly diagnose. Good luck!
Comments:
Nov 01, 2006
- That's much clearer and the picture is a great help. I am assuming this deformation is not present when the CPU is not clipped? Since the clips are plastic it's not that they are shorting out but with that sort of deformation it is likely there is something opening up. To have this happen over time is a very strange thing. Does this deformation occur when it is in the case? You could try leaving the cooler off and, for short periods (no longer than 30 seconds or so), power up the PC w/o the heatsink and then press firmly, but not too firmly, using your finger, in various spots on the CPU top (don't use anything sharp as it can damage the case) to see if it is more sensitive to pressure in one area or another. Also, since it appears to be a PGA (pin grid array). it is likely in some sort of a socket. it is likely that this curvature of the PCB is causing the socket to become dettached from the PCB in one area, which could indicate a bad solder joint. But to get that kind of curvature is really strange. I've never seen that. Are you certain the cooler is being put on in the correct orientation or is there only one way to install it?Sorry I couldn't be of more assistance but this one would require closer manual inspection in order to properly diagnose. Good luck!
Nov 12, 2006
- I talked w/a friend the other day who experienced a similar problem. It's apparently a poor design of the PCB combined w/a poorly designed heatsink. Anyway, he solved his problem with blocking, with the theory that CPU sits too high in it's place. Not sure how he blocked/modified it mechanically but he said there is still a little bow but not so much that it doesn't work.Yes
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Solution #4
posted on Sep 02, 2008
You can buy replacement capacitors loose or in kits at www.thecapking.com. www.Capacitorlab.com has a great how to guide to replce them. I have replaced a ton of these at work, it much cheaper than the $235 referbed boards Dell sells.
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Solution #6
posted on Nov 08, 2006
SON OF A GUN! I've gbeen fighting with this same issue for a few days, and had not been able to figure it out. I ran across your post here on a Google search today. This machine has not booted in a couple of days. Power lights come on, HDD spins up, bur no video, no beep codes, nothing. Prior to it not booting, I was getting random errors - from bad video card (beep code), bad ram, and ramdom shutdowns.
Anyway, after reading your posts, I reached over, released the plastic tensioners for the heatsink, and it powered right up.
My suggestion for this is just to replace the board - which is what I'm doing here. I could go through the time of testing and replacing capacitors, or trying to find damage on the mobo from the pressure imposed by the release clips. But, sometimes you have to look at time versus money. Mobos have come down quite a bit in price, and to me it's just not worth the time I would need to spend on what may or may not be a permanent fix.
Thanks for the great info!
Ken
Anyway, after reading your posts, I reached over, released the plastic tensioners for the heatsink, and it powered right up.
My suggestion for this is just to replace the board - which is what I'm doing here. I could go through the time of testing and replacing capacitors, or trying to find damage on the mobo from the pressure imposed by the release clips. But, sometimes you have to look at time versus money. Mobos have come down quite a bit in price, and to me it's just not worth the time I would need to spend on what may or may not be a permanent fix.
Thanks for the great info!
Ken
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Solution #7
posted on Nov 01, 2006
Hi Maxle.
I can't offer a solution, but I would agree with Swobovike's assessment. You probably have a trace that has opened up when the board is deformed. I have the P4S8X which also failed to power up this week. (I suspect for a different reason - yes I tried unclipping the heat sink as well, but no luck)
I wanted to comment that I have have the same deformation. (I thought that perhaps the mb base was touching the case on the underside).
I can't offer a solution, but I would agree with Swobovike's assessment. You probably have a trace that has opened up when the board is deformed. I have the P4S8X which also failed to power up this week. (I suspect for a different reason - yes I tried unclipping the heat sink as well, but no luck)
I wanted to comment that I have have the same deformation. (I thought that perhaps the mb base was touching the case on the underside).
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