New To Mac-Forums?

Welcome to our community! Join the discussion today by registering your FREE account. If you have any problems with the registration process, please contact us!

Get your questions answered by community gurus Advice and insight from world-class Apple enthusiasts Exclusive access to members-only contests, giveaways and deals

Join today!

 
Start a Discussion
 

Mac-Forums Brief

Subscribe to Mac-Forums Brief to receive special offers from Mac-Forums partners and sponsors

Join the conversation RSS
Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

PowerBook - What are symptoms of a completely overheated processor?


Post Reply New Thread Subscribe

 
Thread Tools
Jbarnes1111

 
Member Since: Mar 28, 2008
Posts: 1
Jbarnes1111 is on a distinguished road

Jbarnes1111 is offline
Ok, about 3 weeks ago I replaced the DC in board on my wife's 15" G4 1.25 powerbook. When I replaced the mobo I cleaned off all the heat paste and reapplied new generic while silicone based heat paste from Radio Shack. I did not know about Arctic 5 at the time. The computer has worked fine ever since until earlier this week.

It had been on running for a while when my wife noticed a "hissing" noise coming from the computer. She said she could smell a hot, burning smell and the computer was frozen with Safari up. She shut it down, and later tried to reboot it with no luck. When you power it up the grey screen comes up and the spinning clock comes up, but it does nothing, and after a while it goes to a blue screen.

I just removed the mobo again, and am wondering what has failed. There was good coverage of thermal paste on all the spots that Apple used it. The paste on the processor area was wet around the edges - almost like the paste had sizzled the moisture out of itself?

So, what does this sound like to you? Would the white paste versus arctic silver cause a meltdown? How can I test the processor?

Oh - and if you think it's the paste I need to know fast. My mother in law's G4 got the same paste at the same time when I went in and resoldered the dc in jack back into the dc in board that it had broken loose from. I told her not to use it till I figure out what happened!

Thank you!
QUOTE Thanks
Noels

 
Noels's Avatar
 
Member Since: Mar 03, 2008
Location: Annapolis, MD
Posts: 945
Noels has a spectacular aura about
Mac Specs: Macbook, 2.2 GHz, 4GB RAM

Noels is offline
jbarnes,

Sounds like to me you used too much paste on the processor. Too much is as bad as not enough and I suspect that hissing and the wet edges is indicative of burning excess paste. You need to apply paste on an Intel dual core CPU down the middle of the cores in a thin stripe, then put the heat sink on carefully to insure a good bond.

Here's the Arctic site for Intel CPU pasting. Pick out the processor that is yours and click on it. You will get an instructional pdf that will show you how to paste the CPU. http://www.arcticsilver.com/ins_rout...2intelas5.html

BTW, I recommend springing for some Arctic Silver. Cheap enough and it works great! I've been using it with my builds for 3 years now...

Good luck, Noel
QUOTE Thanks

Post Reply New Thread Subscribe


« titanium powerbook HARD DRIVE REPLACEMENT help! | Melted G4 »
Thread Tools

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off
Forum Jump

Similar Threads
Thread
Thread Starter
Forum
Replies
Last Post
Power Mac G4 processor upgrade question Ghostwolf Apple Desktops 2 02-04-2006 01:27 PM
Processor Comparison - P4/2.6GHz and G4/1.33GHz noirluispher Switcher Hangout 5 02-19-2004 10:14 AM

All times are GMT -4. The time now is 01:58 AM.

Powered by vBulletin
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
X

Welcome to Mac-Forums.com

Create your username to jump into the discussion!

New members like you have made this community the ultimate source for your Mac since 2003!


(4 digit year)

Already a member?