Hello Everyone, I have replaced caps on ham radio equip but never a pc. PC is a Dell Dimension 4700C. Belongs to a friend who was going to toss. I thought I'd try to repair for him. I found several RUBYCON 6.3v 1800uF [Type MCV]caps with brown crusty crud on top. No board damage visible. There are a bunch of Rubycons [not the fakes] and the rest are Teapo and Luxon. According to what I have read the caps that are leaking are supposed "good" ones. Would it be advisable to replace ALL the Teapo's and Luxon's? I was going to replace all the Rubycons of the same value and voltage as the leakers.Thanks ahead. Ski
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Hi folks,
I have a couple of IBM NetVista desktop computers from around 2000-2001. They have Universal Scientific Industrial (USI) Pro286i motherboards, 733MHz Pentium III processors, and a whole bunch of bad Teapo capacitors. One board has visibly bad and venting capacitors, while the other doesn't look too bad so far.
The board with venting caps works fine, while the good looking board occasionally refuses to power on unless it's left for about 30 seconds after connecting the power - even with a known good power supply. (I am however aware I'll need to check the PSU... -
Back in 2020 i bought a (2nd hand) compact ATX psu to replace my current one. My PC case only fits very short ATX power supplies so i didn't really have the choice of buying a decent 80Plus unit. The current unit is a modded YoungYear unit that i made a thread about a while ago:
A "nice" YoungYear unit? - Badcaps
The "new" unit is a KDM-M6480 480W psu, the 480W number is a typical KDM bullshit claim of course, but the 24A rating on the 12V rail seemed reasonable and the "Active PFC" claim gave me a bit of hope that this was going to be decent-ish.... -
Normally, I never post repairs this quick after I do them, because… I am usually very slow.
But today, I’m making an exception here. Why? No idea. Perhaps only because the repair details are still “fresh” in my head… which is ironic, given this is a 16 year old monitor that hardly anyone will care about today. It is new to me, though. 
I picked it up last November from someone on my local Craigslist. It wasn’t very close to where I live, but was close to a family friend that I had to go visit anyways. So after watching the posting on Craigslist for a few weeks and seeing it getting...
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Hello, I was hoping some of you kind souls could give me some advice.
I have a couple of old motherboards I'd like to have a go at repairing. They come from Dell Precision 670s, and the caps have gone bad.
Ultimately, I intend on getting rid of them, but it's a fun project to practise my (de)soldering on, so I want to see if I can resurrect them, even if only temporarily. I'd also like to check if there's anything on the onboard RAID array I missed backing up (I don't think there is, but you never know).
It's the VRM caps that visibly leaked, so I removed... -
Hi,
Can anyone help ID this cap, or any tips on how to figure it out? As you can see, it's clearly fried. Unfortunately the burn marks obscured the color bands. I couldn't get a good zoom on it with my phone, so I hope the pics are enough. I can try again if not....
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