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Mac Forum / General / Portable Macs / July 2005



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Trackpad bug, all recent year 2005 powerbooks (not iBooks)

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Mark Conrad - 27 Jul 2005 16:40 GMT
Hmm, for some reason this post did not show up in "portables" NG, I
hope this does not result in a double posting of the same thread.

Some time ago I erroneously reported a "workaround" in these forums,
for a chronic hardware "bug" that afflicts all  _recent_  year 2005
powerbooks.  (NOT iBooks)

The workaround was originally reported in MacFixit, however the
workaround does not work, at least for me.

The Bug:

At startup, when the option key is held down in order to get the
volumes select screen, the bug becomes apparent.

"stroking" the trackpad at normal finger speed, the cursor refuses to
move at all.

Bug only afflicts the trackpad, not any mouse.

With rapid stroking of the trackpad, the cursor can be made to move a
short distance.

It takes anywhere from 10 to 15 rapid stroking movements to move the
cursor to the desired icon on the screen, very frustrating.

After a month of battling Apple about this bug, I have the impression
that they do not intend to do anything about it, because it might
involve a gigantic recall of many thousands of powerbooks.

...so we Mac users are screwed, and just have to put up with small
annoyances like this, and other minor bugs which fall into the same
general category.

The main problem, as I see it, is that Apple just has too many irons in
the pot.   They can't clear up all the faults that afflict hardware and
software, so they concentrate on major problems and completely ignore
the minor problems.

So be it, I can live with that.    My Macs are  _still_  a lot better
than my PC alternative hardware, which I only use rarely, for
specialized purposes like speech-to-text dictation, for example.

Mark-
Tom - 27 Jul 2005 20:06 GMT
> Hmm, for some reason this post did not show up in "portables" NG, I
> hope this does not result in a double posting of the same thread.
[quoted text clipped - 40 lines]
>
> Mark-

Any other way to select the disks, tab button? never tried it so I dont
know, but it's not something you do every day anyway, the majority of
powerbook users probably never see that screen.

I've just rebooted my 2004 powerbook into option key mode, and the tab
button and return key do allow you to select the boot disk. It seems
that pretty much makes it a non issue unless this has been disabled on
the later model.

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apax63 'at' dsl 'dot' pipex 'dot' com

Mark Conrad - 27 Jul 2005 21:11 GMT
> Any other way to select the disks, tab button?

For background, I am running OS 10.4.2 on all my Macs.
(except this old Lombard powerbook, which runs 8.6)

I tried the tab key thing with my year 2000 Pismo powerbook, and it did
not work.   I also tried every other key I could think of, the 'Apple'
key, the option key, the shift key, etc., no luck.

Next, I fired up my year 2005 17-inch aluminum powerbook, and the tab
key thing worked.   Bless you, that really cheers me up!

I use the option-key activated volume select screen at startup
constantly, due to the way I work here.  That tab key trick will save
me a lot of time. (...and frustration, I will not have to claw away
frantically at my trackpad any more)<g>

FWIW, Apple technical support  _and_  Apple engineering were totally
clueless about that workaround.  They wasted a month of my time and a
lot of their own money, doing stuff like replacing the entire trackpad
assembly.   (did no good)

Thanks, I really appreciated your help on this matter.

Mark-
Tom - 27 Jul 2005 22:34 GMT
> > Any other way to select the disks, tab button?
>
[quoted text clipped - 19 lines]
>
> Thanks, I really appreciated your help on this matter.

Excellent, you would think Apple would have suggested doing it like that
especially if it affects all the new machines, it ought to be in the manual.

It's not something I have used very many times, but I can see how you
might if you regularly need to change the boot volume at start up.

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apax63 'at' dsl 'dot' pipex 'dot' com

 
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