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Silver Strike Bowling 2005 faulty PC
MrMatt:
My SSB 2005 stopped booting last week. One time I powered it and just got a blank screen, I pulled the power and tried again and it booted. That night I tried to power it again and it would not boot at all.
I noticed there was a bad 2200uF cap on the motherboard and all 5x Skywell 1000uF caps were bad on the gfx card so I changed them all and the PC booted again and appeared to be fixed. It worked fine for a few days.
Now I have the same issue with the PC not booting. I've checked the caps and even changed the 2200uF cap a couple more times and reflowed all of the gfx card caps, but the fault will not clear.
The PC is powered, all of the fans are spinning, there's an LED light on the board, the HDD is spinning up. But there is no VGA output at all. Motherboard is an Intel D865GLC.
There are no beeps but the PC didn't beep even when it works properly. I tried some new RAM and re-seated the CPU with some new HTC but it didn't change anything.
How can I fault find this at this point? There is no VGA from the motherboard VGA either but I don't think there is on this PC when it works.
I don't have another motherboard with an AGP connector to be able to test the gfx card, and I don't have any other AGP gfx card, so I don't know at this point if the issue is the motherboard or the gfx card, or both.
TIA
lilshawn:
typically if you have one bad looking cap, the ones that don't look bad...are bad.
it's generally a good idea to swap out most of them if you find blown out ones. (basically anything bigger than 100uf but there are exceptions)
if you post a nice clear pic of the motherboard, i can use my awesome mspaint skillz to tell you all the ones that are going to need to be swapped out.
MrMatt:
Hi, thanks. Photos below. The cap I already changed is the 16v 2200uF, in the top right next to the SATA connector.
I have changed all of the caps on the GFX card except for a weird 540uF 4v cap which I cannot find a replacement for. As an aside, I've just ordered a replacement CPU and identical GFX card, just in case. My current CPU is 2Ghz and the replacement is 2.8Ghz so even if it wasn't faulty I can at least say I am upgrading it!
The PC should beep when powered right? Could the speaker be faulty too?? It definitely never beeped when it worked, or now.
TIA
MrMatt:
When I try to measure the line of caps below the CPU, they all will not give a measurement in situ. Is that normal?
MrMatt:
--- Quote from: lilshawn on November 14, 2022, 07:44:34 pm ---typically if you have one bad looking cap, the ones that don't look bad...are bad.
it's generally a good idea to swap out most of them if you find blown out ones. (basically anything bigger than 100uf but there are exceptions)
if you post a nice clear pic of the motherboard, i can use my awesome mspaint skillz to tell you all the ones that are going to need to be swapped out.
--- End quote ---
I've just ordered some replacement 1200uF 16V, 820uF 6.3V, 470uF 16V and 470uF 10V capacitors. Again, I cannot find the odd 680uF/25V polymer caps anywhere.