Replacing The Wireless-Wan Card - Lenovo ThinkPad P70 User Manual

To replace the optical drive, do the following:
1. Disconnect the ac power from the computer and turn off the computer. Close the computer display and
turn the computer over.
2. Remove the removable battery. See "Replacing the removable battery" on page 113.
3. Remove the bottom cover. See "Replacing the bottom cover" on page 116.
4. Remove the screw
5. Insert a new optical drive
6. Install the bottom cover. See "Replacing the bottom cover" on page 116.
7. Install the removable battery. See "Replacing the removable battery" on page 113.
8. Turn the computer over. Connect the ac power adapter and all cables to the computer.

Replacing the wireless-WAN card

The following information is only for user-installable modules.
Before you start, print these instructions. Read the important safety information first. See "Important safety
information" on page v.
118
P70 User Guide
1 and pull out the optical drive out of the computer
1 , and then secure the screw
2 .
2 .