HP ProBook 6440b HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 142
Remove the three slotted Torx T8M2.5×7.0 screws, that secure the system board to the base enclosure.
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Page 142 highlights
Remove the system board: 1. Disconnect the following cables: ❏ Bluetooth module cable 1 from the system board ❏ Modem module cable 2 from the modem module ❏ External monitor cable 3 from the system board Removal and replacement procedures 2. Remove the three slotted Torx T8M2.5×7.0 screws 1 and 2 that secure the system board to the base enclosure. The front-most screw 2 is present only on HP Compaq 6545b and 6540b computer models. Maintenance and Service Guide 4-73
Removal and replacement procedures
Maintenance and Service Guide
4–73
Remove the system board:
1. Disconnect the following cables:
❏
Bluetooth module cable
1
from the system board
❏
Modem module cable
2
from the modem module
❏
External monitor cable
3
from the system board
2.
Remove the three slotted Torx T8M2.5×7.0 screws
1
and
2
that secure the system board to the base enclosure.
The front-most screw
2
is present only on HP Compaq 6545b and 6540b computer models.