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Installing the Membrane Switch and Backup Battery
To install the membrane switch and backup battery, follow the steps below and refer to
Figure 4-24.
1.
Seat the backup battery and replace the tape securing the battery.
2.
Use a multimeter at TP to check the voltage of the backup battery. If the voltage is
out of range (6.0 to 9.6 volts), replace the backup battery.
CAUTION: Be careful not to pinch the cable between the top cover and the
DAA module when you install the top cover with display assembly.
3.
Seat the membrane switch and its metal cover, and secure the cover with two
M2x4 screws.
4.
Install the top cover with display assembly, keyboard, DAA module, HDD,
optional PC card, optional memory module and battery pack as described in
sections 4.8 back through 4.2.
650CT
4-25
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Troubleshooting
