Removing A Battery; Installing A Battery - Dell Latitude C640 User Manual

charge when you connect the computer to an electrical outlet; instead, the
green and orange. Ensure that the computer is disconnected from an electrical outlet, and allow the
computer and the battery to cool to room temperature. Then reconnect the computer to its electrical outlet
and continue charging the battery.
For more information on resolving problems with a battery, see

Removing a Battery

CAUTION: Before performing these procedures, disconnect the modem from the telephone
wall jack.
NOTICE: If you choose to replace the battery with the computer in standby mode, you have up to 4
minutes to complete the battery replacement before the computer shuts down and loses any unsaved
data.
1. Ensure that the computer is turned off, suspended in a power management mode, or connected to an
electrical outlet. Disconnect the modem from the telephone wall jack.
2. If the computer is docked, undock it.
3. Slide and hold the battery bay (or module bay) latch release on the bottom of the computer, and then
remove the battery from the bay.

Installing a Battery

Slide the battery into the bay until the latch release clicks.
light flashes alternately
"Power Problems."