Fans and thermostats in the IBook G4

My IBook G4 (2004) freezes after about 10 minutes of operation. A computer repair person diagnosed it as a faulty CPU cooling fan, but didn´t have a replacement fan to put in for me. I cracked open the back of the computer and watched the fan go on during start up, but then it never came on again and the computer froze, like it typically does now. So, my question is whether these things also have thermostats or some sort of signaling device that tells the fan to go on when the unit gets too hot. If I replace the fan, am I replacing the thermostat, too, or is it a separate part? Has anyone been through this process? I´m currently living on a boat off the coast of Mexico and having a very hard time getting Mac parts, so if the fan isn´t what I really need, I´d love to know.
Thanks,
Amanda Witherell

Welcome to Apple Discussions!
My experience has been that the iBook has to be very warm for the fan to run at all, so I actually don't think that the fan or sensor is the problem.
Based on my own first hand experience, I think you may be experiencing a soldering failure which affects something called the U28 chip. My iBook did exactly the same thing--it would freeze after about 10 minutes. If I made an effort to keep it cooler, I could get more like 20 minutes.
What happens is while the board is cool, the solder joint makes decent contact. But as the logic board heats up, the contact gets worse and opens up and eventually the iBook freezes. I used to have a link to a Danish site with pictures of this, but it evidently has been removed.
The fix for me was to remove the logic board and to send it to a specialist for a resoldering process called a reball. This cost about $75 + one way shipping and my iBook has worked perfectly ever since.
Some people have been able to get their computers working for a while by installing a home made shim. Here is a link:
http://www.coreyarnold.org/ibook/
It might be a challenge working on an iBook on a sailing ship, however.
Sorry to be the bearer of bad news, but I do think this is really a logic board problem.
Good luck!

Similar Messages

I just downloaded a lot of PDF textbooks to my ibooks, and now it crashes within seconds of opening the app. I have tried restoring the iPad and just updated the iBooks to 3.1. Any ideas? I have the new iPad.

I just downloaded a lot of PDF textbooks to my ibooks, and now it crashes within seconds of opening the app. I have tried restoring the iPad and just updated the iBooks to 3.1. Any ideas? I have the new iPad.

What a waste of space to paste the code.
Why not ask in the iLife > iPhoto forum where your question belongs.

Can anyone help me I downloaded drake ablum and it said it comes with digital booklet but I don't see it and I downloaded the iBook and still don't see it I need help

Can anyone help me I downloaded drake ablum and it said it comes with digital booklet but I don't see it and I downloaded the iBook and still don't see it I need help

Your iTunes Digital Booklet should appear on the PDF shelf in iBooks.

Will my books that i have bought and are in the ibook app will can i transfer them to an apple laptop

the books that iv'e bought that are on the ibook app can they be transfer to an apple laptop

You can copy them to your computer's iTunes library by connecting the iPad and doing File > Devices > Transfer Purchases, or if they are still in your country's store then you should be able to redownload them on your Mac's iTunes via the Purchased link under Quicklinks on the right-hand side of the iTunes store homepage.
If you have OS X Mavericks on your laptop then you should have a built-in iBooks app on it so that you can read them on your Mac - in which case you can either do File > Move Books From iTunes in it after copying them from your iPad or redownloading them in iTunes, or go into the iBooks Store in the iBooks app (top left of the bookshelf) and redownload them directly in the app via the Purchased link under Quicklinks on the right-hand side of the Featured homepage

HT204365 I updated my iPad to 7 and cannot enter the Ibooks or Itones store What settings should make this happen for me?

I need help with settings to use Ibooks or Itones stores after updating my Ipad to OS 7

Check: Settings - General - International - Calendar - Gregorian.

Z60m fan replacement....I've got the fan and am looking for support!

Hi,
I've a z60m and the fan is gradually grinding to a halt. I've got a replacement fan and all of the pipework to the graphics chip ready to go. I'm just looking to see if anyone has gone down this road and if there are any pitfalls.
If not, me and my Canon IXUS will be having a fun afternoon next Sunday.
Stu

Welcome to the forum, ZZZ2244!
The first and most important pointer is the HMM:
http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-61364
Secondly, take your time while doing this and use Arctic Silver (amount the size of a rice grain) when installing your new fan.
Hope this helps.
Cheers,
George
In daily use: R60F, R500F, T61, T410
Collecting dust: T60
Enjoying retirement: A31p, T42p,
Non-ThinkPads: Panasonic CF-31 & CF-52, HP 8760W
Starting Thursday, 08/14/2014 I'll be away from the forums until further notice. Please do NOT send private messages since I won't be able to read them. Thank you.

Loud fan and beep sound

Computer left on overnight when turned on has a loud fan that keeps getting louder and a long single beep every few seconds that gets gradually louder also

Hi,
Remove the side panel from the case, and look for the heatsink & Cooler for the CPU. Make sure there isn't a wire stuck in the fan and make sure the CPU fan's power cord has not come unplugged from the mobo.
Do you ever get the computer shutting down saying that there is a "Thermal Event" or something similar?

Overclocking the iBook G3 500mhz

I have a 500mhz iBook G3 Dual USB. I have heard of iCook, but it's for the 750fx chips, and I think the iBook that I have doesn't have that. Will iCook work, or is there something else I can try? I want to do this because GarageBand says it needs a 600mhz g3 to run. [By the way, what the heck is up with GarageBand having more requirements than iMovie?]

I would recommend checking out http://www.xlr8yourmac.com/
People there are more apt to have suggestions for bumping up the processor. Personally, I would just buy one that would meet or exceed the specifications for what I want to do.

Becoming a publisher on the iBook Store outside the USA

I recently applied to publish books on the iBook Store filling out the requested field as suggested by some users for non-US residents.
I still would like to receive some clarifications on the process and the rules governing book publishing for European residents. What are the requirements to publish ?
The following are my concerns:
Is it allowed to be a personal or legal entity in Europe and publish on the iBook Store ?
Is it required to have a Tax Identification Number in the USA to publish paid editions ?
Is it required to have a USA credit card or bank account ?
What about the USA witholdings required by law for Italy ?
Thank you for your help
Stefano

Yes you can redownload the book from the iBook store as many times as you wish. You can do the same with apps from the app store.

HT4059 Restart the iBook app

How do you unfreeze the app

Is the screen frozen in iBooks, or just the app is frozen (but you are able to exit it)? Press the home button to exit it. Then double tap the home button. Tap and hold on the iBooks icon. Tap the red when it appears. If you are unable to exit the app, try a reset:
Hold the home and power buttons at the same time until the Apple boot logo appears. No data will be lost.

Rear fan and front fan

Hi
I've got a ThinkStation S30 (4352 A8G) and as I've put a power hungry graphics card in it, i would like to install a front/pci fan, but the motherboard fan connector(s) seem to be non-standard? In fact only the CPU fan connector seems to be standard. The 3 pin front fan connector seems to be standard lenght and width, but the "plastic taps" sticking up seem to not correspond with the plastic taps on the laso 3 pin standard case fan connector I've got (Noctua NF-B9). It seems as if it is possible to connect is any way simply letting the plastic taps on the motherboard connector just not locking the cable connector - my questing then is - is the voltage/signals in the three pins standard?
I've also got a Noctua NF-B9 PWM which i intenden to swap the rear fan - they are both 4 pin - but again the plastic tips do not correspond exactly - but will it work - are the pins signals/voltages standard.
All the Noctua cables/connectors have clear indications of what each pin is - can this be found for the motherboards connectors?

Here are the pinouts for the fan connectors.
Front fan:
And here is the pinout for the S30 rear fan:
You might have to manipulate the wires on your fans to get everything to line up. If the tabs are causing you problems after you're sure you have the plug direction and pinouts correct, I'd just cut them off They are really only there for alignment/keying to help avoid misplugs.

Ibook wont start, turn it on and just get the fan to start up.

Hi all,
I have a ibook from early 2004 , 1.2 ghz.
Today i took it out of my bag and turned it on and nothing only the fan started up.
Ive done some reading through the forums here and read that someones ibook wouldnt start up with their airport card installed so i removed that and it started up but only for a couple of minutes, the screen then went black then red then green then blue then white.
I use this laptop to make music and have some new material on it which isnt backed up which is the most important thing for me.
would it be possible to take the harddrive out and put it in an external enclosure to get the data i want from it.
I was planning on buying a macbook soon so saving the actual ibook isnt a priority.
If anyone has any idea what could be wrong with it , i would be really grateful and if i save the music on it i might even send you a free copy of my cd.
Thanks for any help or advise in advance.

The iBook's GPU is a 9200 ATI Radeon Mobility. It is known to be problematic as it has failure rate higher that expected. This chip is not only used in iBooks it's also in IBMs, Compaqs and Sonys. This from Dale at Superior who has seen a lot of failures in these machines. I have a iBook 1.2 12" board with a bad 9200 and am looking for a replacement board/chip. Yes the chip can be replaced but it requires someone who has experience and the proper equipment.
So if someone wants to send me their board I'd be glad to accept it.
If your chip is putting out anything at all it might still be good. Try the shim fix. It's not as easy as the G3 because the 9200 is on the top and shares the heat spreader with 2 other chips. I think the best thing is to apply pressure from the bottom 2.25" to the right of the space between the monitor and headphone output. You'd have to take the bottom off:
http://www.ifixit.com/Guide/Mac/
There is nothing on the bottom to tell you there's a monster GPU chip above it. Try to boot as normal. If it boots properly and seems normal it might continue to work with the shim or you could send it for reball. My guy as Superior is sick so I'm waiting with anxiety hoping he gets better.
Good luck.
Richard

I have an Ipad My apple ID and password works for Ibooks and Icloud but when I try to get into the app store it doesn't show my entire email address on the account. When I try to get into the app store it tells me my password is incorrect. How can I corr

I have an Ipad My apple ID and password works for Ibooks and Icloud but when I try to get into the app store it doesn't show my entire email address on the account. When I try to get into the app store it tells me my password is incorrect. How can I correct this? I have been emailing support but so far they have been no help

Open the App Store app, go to the Featured pane, swipe to the bottom, tap the Apple ID and sign out. Tap again and sign in with the Apple ID of your choosing.

My MacBook Air 13' (2013) will occasionally start the fan at full blast, not connect to any wifi or detect any wifi, and will remove the battery icon from my menu bad as well as tell me there is no battery connected. How do I fix this?

My MacBook Air 13' (2013) will occasionally start the fan at full blast, not connect to any wifi or detect any wifi, and will remove the battery icon from my menu bad as well as tell me there is no battery connected. How do I fix this? I have restarted my computer multiple times, **** it down, and ran a diagnostic test to tell me nothing is wrong and my computer is not running any applications. There is no reason for the fan to be on full blast! when I try to set the option to show my battery icon in the menu bar, it will automatically uncheck. How do I fix all of this?

Have you tried SMC and PRAM resets?
http://support.apple.com/kb/HT3964
http://support.apple.com/kb/ht1379
Ciao.

I have downloaded several books into ibooks. Started reading one and closed it when I was done reading for the day. Now I want to access other books and when I open ibooks it goes directly to that first book. What can I do? Help please.

I have downloaded several books into ibooks. Started reading one and closed it when I was done reading for the day. Now I want to access other books and when I open ibooks it goes directly to that first book. It does not give me the shelf to choose what book I want to read - goes directly to the first book. What can I do? Help please.

There should be a Library button on the top left. If not ap the middle of the screen to get it to appear.

Fans and thermostats in the IBook G4

Similar Messages

Maybe you are looking for