Lenovo B40-30 All-in-One - Manual (Page 29)

Step 2. Disconnect the power cord from the connector on the computer 1 , then unplug the power cord
from electrical outlet. 2
B40 -30
Step 3. Connect the new adapter cord as shown.
B 40-30
Removing the stand base
Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo
recommends that you use a blanket, towel, or other soft cloth to protect the touch screen from scratches
or other damage.
Step 1. Remove any media (disks, CDs, or memory cards) from the drives, shut down the operating
system, and turn off the computer and all attached devices.
Chapter 7 . Replacing hardware 23