Storing A Battery; Troubleshooting; Lockups And Software Problems - Dell Precision M90 Guía De Referencia Rápida

battery-bay latch release
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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
N S U R E T H A T T H E A D A P T E R I S F I R M L Y C O N N E C T E D T O T H E C O M P U T E R A N D T O T H E E L E C T R I C A L O U T L E T
E A C
The computer stops responding
NOTICE:
You might lose data if you are unable to perform an operating system shutdown.
U R N T H E C O M P U T E R O F F
T
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.
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battery
2
If you are unable to get a response by pressing a key on your keyboard or
—
2
Quick Reference Guide
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