Storing a battery, Troubleshooting, Lockups and software problems – Dell Precision M90 User Manual
Page 17
Quick Reference Guide
17
To replace the battery, follow the removal procedure in reverse order.
Storing a Battery
Remove the battery when you store your computer for an extended period of time. A battery discharges
during prolonged storage. After a long storage period, recharge the battery fully before you use it. See
"Charging the Battery" on page 16.
Troubleshooting
Lockups and Software Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
The computer does not start up
E
NSURE
THAT
THE
A C
ADAPTER
IS
FIRMLY
CONNECTED
TO
THE
COMPUTER
AND
TO
THE
ELECTRICAL
OUTLET
The computer stops responding
NOTICE:
You might lose data if you are unable to perform an operating system shutdown.
T
URN
THE
COMPUTER
OFF
—
If you are unable to get a response by pressing a key on your keyboard or
moving your mouse, press and hold the power button for at least 8 to 10 seconds until the computer
turns off. Then restart your computer.
1
battery-bay latch release
2
battery
1
2