Quote: Originally Posted by Phil333 Threads like this make me want to wait at least a month before buying my MB. That won't guarantee that Apple will put out a goofy OS upda…

How do we revert back to 10.4.6?

Just out of interest, did those of you who are experiencing this problem update via the Software Update App, i,e, normal update, or did you download the Combo Update off the Apple …

I have two macbooks, one that is having the problem and one which isn't. Both were updated to 10.4.7 using the combo updater. Here's a post I made at apple discussions which seem…

Quote: Originally Posted by monkeybrain Just out of interest, did those of you who are experiencing this problem update via the Software Update App, i,e, normal update, or did y…

build 8J2135a

Mine was fine for 2 days after .4.7 up until today.

Mine did another sudden shutdown and white screen with vertical lines. This is after reapplying the 10.4.7 combo update earlier today. I've now reverted back to 1.4.6 to see if thi…

10.4.6 didn't fix the sudden shutdowns, but at least I don't see the vertical lines problem when it restarts. Looks like my MacBook also has a separate hardware problem that is …

Quote: Originally Posted by mmike70 My theory is that 10.4.7 somehow broke how the pram gets updated/saved with respect to a default boot device. I ran nvram -p in a terminal …

I didn't do anything special. Once I had the PRAM zapped a few (six) times, the machine worked normally - for a while. The line are one thing. The sudden shutdowns seem a separate,…

OK, I got the computer to boot from my install DVD and did what Mike suggested by setting the startup volume/disk from the OSX Boot/Install DVD (10.4.6). So far it's working. I wil…

Quote: Originally Posted by Dave Merten OK, I got the computer to boot from my install DVD and did what Mike suggested by setting the startup volume/disk from the OSX Boot/Insta…

Quote: Originally Posted by mmike70 That seems to be a common theme. Reseting PRAM after the 10.4.7 update and you may get this behavior. My macbook has been rebooting correct…

Quote: Originally Posted by Lucky8 Are you saying that if I would've never reset PRAM after the 10.4.7 update, this vertical lines behaviour would've never happened? I thin…

Quote: Originally Posted by mmike70 I think that's what I'm saying. I personally have experience with 4 macbooks, two had the PRAM reset after the 10.4.7 update and both had th…

i've updated to 10.4.7 the day it came out via the control panel software update. haven't had any problems. i decided AGAINST updating my quicktime, which came out later (i never…

Quote: Originally Posted by muaddib420 i've updated to 10.4.7 the day it came out via the control panel software update. haven't had any problems. i decided AGAINST updating m…

I believe Apple made a mistake with the first update they brought out, which could have caused some problems (this was both normal and combo I think), but they quickly replaced it …

Hey all, I'm having the same issue. Every time I shutdown or restart these lines show up. Is zapping the pram working for y'all really? It seems pretty random on mine. Usually whe…

Monkeybrain, I downloaded the Combo update and it seems fine so far. Hape it stays that way.

Quote: Originally Posted by Elevin Hey all, I'm having the same issue. Every time I shutdown or restart these lines show up. Is zapping the pram working for y'all really? It se…

Check out appleinsider's article on the education iMac. This machine has the same chip-set as the macbook. http://www.appleinsider.com/article.php?id=1870 The last paragraph, lis…

THE FIX!!!! Do a ARCHIVAL reinstal of the OS. That will fix the problem. Rick

hold on, sorry i don't mean to sound silly but downloading the combo update over the one installed via "software update" will fix the problem as well? if so, hell i'll do it. take …