Re: Wallstreet screen darkness

[Andrew Johnson]

This is often a sign of a dead or "previously dead" PRAM battery. 
Booting into OS9 will correct the problem within the PRAM and allow the 
computer to continue to function normally when in OS X.

However if the symptoms return when the computer is disconnected from 
AC power and the main battery is removed for only a short time, then 
your PRAM battery is dead. Leaving the computer hooked to AC will 
recharge the battery in a day's time or so usually, but it is possible 
that the battery is wholly dead and will need to be replaced.

-Andrew

On Tuesday, September 2, 2003, at 10:11  AM, Luis Sequeira wrote:

My wife's Wallstreet (233MHz, 384MB, 20GB, OS X 10.2.6)
has developed a problem, in that everytime it starts up or wakes from 
sleep the screen is very dark (its contents being almost invisible).

The grey screen with tbe big Apple logo looks fine, but after that it 
is like the brightness was turned all the way down. Pressing the 
brightness button usually brings it back to normal, but it is a 
nuisance and it does not work when waking from sleep (we have to 
restart the machine).

I remember seeing mention of something like this in some newer models 
(Lombards or Pismos, maybe) and the solution seemed to involve booting 
into open firmware, which, afaik, is not present in the wallstreet 
(being an "old world rom" mac).

I wonder if there is some preference file gone awry that I should 
trash or some other solution (perhaps involving booting into OS 9) 
that the knowledgeable people on this list may care to suggest.

TIA

Luis


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