Apple OS X 10.5.6 Update Breaks Some MacBook Pros

Posted by Soulskill on Saturday December 27, 2008 @03:55AM from the somebody-just-got-fired dept.

Newscloud writes "As PC Mag reported last week, Apple OS X 10.5.6 can break some MacBook Pros leaving some users (like me) with a dead backlit black screen after the Apple logo appears. While I initially thought I had a hardware failure, it turns out that there is a fix as long as you have an external display, keyboard and mouse. The problem only appears on the second restart, so if you sleep your MacBook a lot as I do, you might not realize the problem is related to the OS update you did the week before. The problem was related to older, incompatible firmware that Software Update wasn't flagging before the upgrade. This definitely gives weight to the argument for waiting a bit to run software upgrades."

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10.5.5 did this to me by HockeyPuck · 2008-12-27 05:05 · Score: 1, Redundant

When I upgraded to 10.5.5 two issues appeared on my macbook pro (coreduo 15"):
* Battery meter would get to between 40-60% and then the laptop would abruptly poweroff. When I was at 10.5.4, the battery meter would drain, as expected, down and warn as expected when it got to 10% or so.
* After about 30seconds of being powered on, the keyboard and touchpad would become unresponsive. External keyboards/mice continue to work.
Both of these issues are documented on apple's forums.