User`s guide

208
Troubleshooting Guide
Resolving a hardware conflict
7 If the error recurs, remove the memory card entirely and
check for the error again.
NOTE: This procedure can only be followed if there is more
than one memory card in the computer. If there is only one
memory card, removing will prevent the computer from
booting up.
If removing the memory card eliminates the error, the
memory card may be faulty. If the error recurs 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 AC adapter and
power cable or from the system batteries (main battery, real-time
clock (RTC) battery and backup battery). Power problems are
interrelated. For example, a faulty power cable will neither power
the computer nor recharge the batteries.
Here are some typical problems and how to solve them:
The AC power light doesn’t come on when you plug in the
AC adapter.
Make sure the AC adapter is firmly connected to both the power
cable and the computer, and that the power cable is plugged into
the electrical outlet.
If the AC power light still doesn’t come on, check that the
electrical outlet is working properly by plugging in a lamp or other
appliance.
The power cable and AC adapter work correctly, but the
battery won’t charge.
The main battery may not be making a good electrical connection.
Turn off the computer, remove the battery and confirm that its