Lenovo ThinkPad T540p - Manual (Page 88)

5. Hold the new SIM card with the metal contact facing upward and going into the slot first. Then, insert
the new SIM card firmly into the slot until it clicks into place.
6. Reinstall the battery pack. See “Replacing the battery pack” on page 69.
7. Turn the computer over again. Connect the ac power adapter and all cables to the computer.
Replacing the Ultrabay device
Before you start, print these instructions.
To replace the Ultrabay device, doing the following:
1. Turn off the computer; then 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 lid and turn the computer over.
3. Remove the battery pack. See “Replacing the battery pack” on page 69.
4. Loosen the screws 1 , and then remove the large bottom cover 2 .
72 User Guide