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Resolder motherboard

post #1 of 4
Thread Starter 
This deserves a place on 9GAG. I just discovered something very funny and at the same time very sad. It's probably the greatest troll ever.

The fun part:
My dad used to have a 15" 2008 MBP. it was a beautiful machine. I say was because it died about six months ago. The cause was unknown atm, but I had him take it to a "tech", since I lacked the (spare) components to test it, and it wouldn't even boot (at all). They sent it back saying the logic board (motherboard + soldered CPU + GPU) was dead. I switched out the HDD with a loaner 2009 MB that he's been using since then. It's supped up to 4GB of RAM, so it's probably actually better than what he had.

Today I heard his MB with the fans going at 100%. Normally I don't think much of it since it seems he hasn't learned to close programs, he runs 10.5 (no updates since he purchased it), has all kinds of **** installed, no adblock, etc... However, I happened to look at the screen: only two safari window and excel (no doc) open. I was like humm that's weird. I pulled up dashboard, and thank god there was iStat Pro. It took a second to load. Then I saw it 9x% CPU usage. 91ªC temps on the CPU (that's like a 85ºC delta, it's like 7ºC in the house because we have no heating). I immediately pulled up Activity Monitor, and sure enough there it was: P95. I shut it down and all went back to normal.

Now, I have two vague memories (well, one is more vague than the other; they both occurred around when I was 13, I'm 18 now:
  • Going skiing for the first time. It was the coldest wether I'd ever been to, and I decided to have fun seeing how low the temps were after the lappy had been sitting at <0ºC temps all day. Needless to say it was fun (for a second there I had phase), but maybe I somehow set P95 as a startup program (it was set, as I verified this and removed it after closing AM).
  • Various rows with my dad, during this or nearby (in time) trips, during which he allowed me to use his laptop. At some point after this, he took these permissions away. I'm pretty sure it had nothing to do with the laptop itself, rather that our relationship deteriorated severely. As I said, I was 13, so I might have just set up P95 as some weird sort of vengeance/trolling (if I had only capped it, it would have been quite amusing for a while) rolleyes.gif

The important part:
So the conclusion is I either willingly or unwillingly killed his old logic board by running P95 on it for four years straight. Pretty good beating it took, Apple's hardware is very well engineered, there's no denying that... So now the question is, knowing the cause, is there any possible diagnosis and repair? I'm willing to risk the logic board 100% since it's already been assumed completely dead. I'm curious as to how it would have died, as throttling should have kicked in and turned the whole thing off before temps killed it. I don't know how a constantly high temp would have killed it (except by killing the fan first maybe).
post #2 of 4
not entirely sure macs throttle :/

But on another note... HAHAAHAHHAHAHAHAHAHA NICE! just bake it and makesure its 100% level
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Basic Thunder
(8 items)
 
HTPC
(6 items)
 
 
CPUMotherboardGraphicsRAM
e5500 Msi g41m-P25 PNY GTX 470 4 gb ddr3 mixed 
OSMonitorPowerMouse
Windows 7 Ultimate 64-bit HP 2007w Corsair TX650 G400 
CPUMotherboardGraphicsRAM
athlon 64 x2 4200+ Nodusm3 GTS 450 2gb ddr2 Ram 
CaseMouse
Emachines Cell phone 
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post #3 of 4
Thread Starter 
Quote:
Originally Posted by kill View Post

not entirely sure macs throttle :/
But on another note... HAHAAHAHHAHAHAHAHAHA NICE! just bake it and makesure its 100% level

I'm pretty sure they do, it's an inherent part of the CPU I think... I'm sure they speedstep and such, so I'm supposing they throttle...

Isn't it supposed to be done with a heatgun?
post #4 of 4
it should but i have better results with baking(2 xboxes one died after reflow)
Basic Thunder
(8 items)
 
HTPC
(6 items)
 
 
CPUMotherboardGraphicsRAM
e5500 Msi g41m-P25 PNY GTX 470 4 gb ddr3 mixed 
OSMonitorPowerMouse
Windows 7 Ultimate 64-bit HP 2007w Corsair TX650 G400 
CPUMotherboardGraphicsRAM
athlon 64 x2 4200+ Nodusm3 GTS 450 2gb ddr2 Ram 
CaseMouse
Emachines Cell phone 
  hide details  
Reply
Basic Thunder
(8 items)
 
HTPC
(6 items)
 
 
CPUMotherboardGraphicsRAM
e5500 Msi g41m-P25 PNY GTX 470 4 gb ddr3 mixed 
OSMonitorPowerMouse
Windows 7 Ultimate 64-bit HP 2007w Corsair TX650 G400 
CPUMotherboardGraphicsRAM
athlon 64 x2 4200+ Nodusm3 GTS 450 2gb ddr2 Ram 
CaseMouse
Emachines Cell phone 
  hide details  
Reply
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