The Land of Fernieville

10.5.2 MacBook Pro Freezing Problem: Fix?

Posted in Apple, leopard, MacBook Pro, osx by fernieville on May 28, 2008

If you have been following this thread it seems as though some folks found a fix to this problem…temporary fix.

To qualify for this fix here are the symptoms:

– Your computer freezes only on battery
– It does not respond to keyboard or trackpad
– CapsLock and NumLock may light up
– Only powerbutton hard reboot works
– Console logs no errors just before the freeze

If this sounds like your MacBook Pro, fear not: simply turn off the keyboard light (F8). No freezes after that for me.

Another solution many have found is to archive and install back to 10.5.0. Some people though this did not fix, perhaps suggesting this is firmware related.

Something about the 10.5.2 where the culprits might be:


  • Addresses an issue in which the backlight could turn off before Energy Saver’s backlight setting.


  • Improves connection reliability and stability
  • Includes 802.1X improvements.
  • Resolves certain kernel panics.

Or the graphics update that was sent out after 10.5.2.

Some users report it being induced by using the Airport. Mine has been induced twice when the computer’s screen was trying to dim while I was reading the screen…as soon as I touched the mouse to undim, freeze.

Other’s report being able to use a USB keyboard and mouse…I have not tried it. Yet others report it freezing while connected to a powered USB device or external screen.

As a caveat…my PowerMac G5 has since died an awful death since 10.5.2 and freezes at the slightest thing.

So sad.

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Apple OS X 10.5.3 Update and Freezing Keyboard

Posted in Apple, leopard, Mac, MacBook Pro, osx by fernieville on May 28, 2008

Apple on Wednesday released Mac OS X 10.5.3, a recommended update for all users of its Mac OS X 10.5 Leopard operating system that includes general operating system fixes that enhance the stability, compatibility and security of your Mac.

Reading the bullet points I don’t think that my freezing issues are fixed…but then again if it’s Airport causing it:


  • Improves 802.1X behavior and reliability.

This might fix it.

We’ll see.

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100% Fans Leopard OSX – fix

Posted in Apple, Mac, MacBook Pro by fernieville on May 19, 2008
Didn’t know why my computer’s fans were blaring, and when I went to Activity Monitor nothing was 100% (as in memory leaky Java apps like Eclipse ugh).

Anyhow, I found a post about it being a printer job stuck on send… looked around my printer queue and it was empty, but for good measure I deleted them all…all the printers that is.

Nope, fans still at 6000rpm EACH. (use smcFanControl to see it)

So I went back to my Activity Monitor and looking around found three instances (a couple with little printer icons next to them) that had (null) for a name at 0.2 CPU or 1.0 CPU. WTF?

I quit the three (null) processes…and whaddayaknow? Fans slowed to 2000rpms. Freaking Leopard is starting to remind me of an archaic OS I used a long time ago called windows…wasted 2 hours on this little problem last night!

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