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If Something Goes Wrong…
Fixing Device Related Problems
Part I: Getting To Know Your Computer
342
5 Replace the memory expansion slot cover.
6 Check for the error again.
7 If the error reoccurs, remove the memory card entirely
and check for the error again.
If removing the memory card eliminates the error, the memory
card may be faulty. If the error reoccurs without the memory
card installed, the error is not caused by the memory card.
Power and the Batteries
Your computer receives its power through the built-in power sup-
ply and power cord or from the system batteries (main battery,
real-time clock (RTC) battery and backup battery). Power prob-
lems are interrelated. For example, a faulty power cord will neither
power the computer nor recharge the batteries.
Here are some typical problems and how to solve them:
The power light doesn’t come on when you plug in the power
cord.
Make sure the power cord is firmly plugged into both the wall out-
let and the computer.
If the power light still doesn’t come on, check that the wall outlet
is working properly by plugging in a lamp or other appliance.
The power cord works correctly, but the battery won’t charge.
The main battery may not be inserted correctly in the computer.
Turn off the computer, remove the battery, clean the battery con-
tacts with a soft cloth dipped in alcohol and replace the battery.
The battery may be too hot or too cold to charge properly. Its tem-
perature needs to be in the range 50-88F (10-30C). If you think
this is the probable cause, let the battery reach room temperature
and try again.
If the battery has completely discharged, it will not begin charging
immediately. Leave the AC adapter connected, wait 20 minutes
and see whether the battery is charging.
000-book.bk : 15-trbl.fm5 Page 342 Thursday, May 16, 1996 2:07 PM