HP -380467-003 - COMPAQ PRESARIO C300 C500 C700 F500 F700 LAPTOP CHARGER Manuel - Page 22

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HP -380467-003 - COMPAQ PRESARIO C300 C500 C700 F500 F700 LAPTOP CHARGER Manuel

Installing an Add-in Card

1 Align the edge of the add-in card with the slot on
the chassis and gently but firmly press the card
straight down into the add-in card slot. The whole
connector should be seated properly in the
card slot.
2 Attach the screw to secure the card you have
replaced.
3 Connect any external or internal cables attached to
the card.
4 Complete the procedures to replace the side panel
and close the PC. See "Opening and Closing the
PC" on page 1.
If the new card or device isn't working, read
NOTE:
through the card manufacturer's installation
instructions, and recheck all connections, including
those to the card, power supply, keyboard, and
monitor.
18
Upgrading and Servicing Guide

Replacing the Battery

A lithium battery on the motherboard provides backup
power for the PC's timekeeping capability. The battery
has an estimated life expectancy of seven years.
When the battery starts to weaken, the date and time
may be incorrect. If the battery fails, replace it with a
CR2032 lithium battery (3 volt, 220mAH rating) or an
equivalent battery.
WARNING: There is danger of explosion if
the battery is incorrectly replaced. Replace
only with the same, or equivalent, type of
battery. Discard used batteries according
to the manufacturer's instructions.
1 Complete the procedures to prepare the PC and to
remove the side panel. See "Opening and Closing
the PC" on page 1.
2 Gently lay the PC on its side.
3 Remove any cabling, if necessary, to reach the
battery.
4 Remove any memory modules, if necessary, to
reach the battery. See "Adding Memory" on
page 16.
5 Press the latch away from the battery and lift the
battery from the socket to release the battery.
6 Install the new CR2032 battery in the socket, with
the positive (+) side facing the latch.
7 Replace memory modules or cables you removed.
8 Set the chassis upright.
9 Complete the procedures to replace the side panel,
and to close the PC. See "Opening and Closing the
PC" on page 1.