Operation Manual
30
Appendix A. CRU instructions
Replacing the backup battery - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
To replace the backup battery, do the following:
1
Turn off the computer. Disconnect the AC power adapter and all cables
from the computer. Wait three to five minutes to let the computer cool.
2
Close the computer display, and turn the computer over.
3
Remove the battery. For details, see “Replacing the battery pack” on page 28.
4
Remove the screws , and then remove the cover .
a
b
1
1
2
1
2