So, I’m the not so happy owner of a week 21 2Ghz White Apple MacBook.
I bought from the Apple OnLine Store on the 18th of May, and recieved it around 1st of June.
In the start it was great. Fantastic performance, great build quality and all that…
But then around the 21st of july bad things started to happen.
I became a victim of MacBook Random Shutdown, or a least one variant of the problem.
My MacBook crashes most frequently when its cold. So when I boot it in the morning it usually crashes within minutes. And sometimes it keeps crashing.
Now, I will tell you have I achieved 8+ hours uptime on this lemon MacBook…
1. Press and hold the power button until the laptop beep (really loud and noisy).
This will enable some kind of heat prevention function, limiting the cpu from running more than 1Ghz (basically 50% of what its supposed to handle). I do not know if its 1Ghz on each core or total…but its pretty slow, and running Windowns Xp in Parallels is pretty useless…
2. As soon as the desktop appears, run “yes > /dev/null & yes /dev/null” in terminal…This should force each cpu core to max out…Some variants of MAcBook Random Shutdown actually do shutdown from running this command. My MacBook doesn’t…
3. Keep the terminal running like that for say 5 minutes, and the system should be stable.
4. Keep it from going to sleep…
I have been working 8+ hours on the MacBook the last 2 days using the method described above.
Apple is shipping me a replacement MacBook tomorrow. But I’m really not convinced that they have identified and resolved the problems causing the shutdown…Too Bad, the MacBook really is a nice laptop…
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how did you get them to send you a replacement without sendint the model out? how do i get them to send me a replacement instead of just a “repair” that wont do anything. i’ve got the random shut downs, which happen no matter what, the mooing, and the smushy clickpad. thank you!
Well, it takes some hard work, hard words and a lot of patience….
I actually had mine in for repair, which didnt fix the shutdown problem.
Apple said that they needed 2 repairs before the could offer a replacement.
I said no way! And kept pushing for at replacement…
Finally they caved in, and told me to ship the old one and they would ship the replacement when they recieved the broken one..
I said no way! And it turns out they actually have this form that they can mail you where you conscent that you wil return the old one 5 days after recieving the replacement or else they will charge you…
So its just a matter of faxing in this form, complete with credicard details and its a done deal…
hope this helps??
Man, I am a huge fan of the Mac since my wife got her iBook about 3 years ago – then about 2 months ago we got a Macbook 2.0ghz 1GB RAM, everything was wonderful until 4 days ago – then the Random Shutdown Fun began – I decided to start a site about it – http://www.macbookrandomshutdown.com/
If you have any solutions, I would love to see them in the comment on my blog too :) Let’s hope Apple can fix this for us! :)
Macbook Random Shutdown
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So how do you get back to 2GHZ after this start-up trick?
Never mind, I figured it out myself. Do a PMU reset. Time to call Apple about replacement.