Lenovo IdeaPad Y550 - Manual (Page 33)

Chapter 2. Using Your Computer
25
„ Using the AC adapter
The power to run your computer can come either from the battery pack or
from AC power through the AC adapter.
Attention:
Using an improper power cord could cause severe damage to your computer.
To use the AC adapter, do the following. Be sure to take these steps in the
order in which they are given here.
1
Connect the power cord to the transformer pack.
2
Plug the power cord into an electrical outlet.
3
Connect the AC adapter to the AC power adapter jack of the computer.
You can check the status of your battery at any time by looking at the
battery meter at the bottom of your display.
Note:
ƒ When you do not use the AC adapter, disconnect it from the electrical outlet.
ƒ Do not wrap the power cord tightly around the AC power transformer
pack when it is connected to the transformer.
ƒ You can charge the battery when the AC adapter is connected to the
computer and the battery is installed. You need to charge it in any of the
following conditions:
ƒ When you purchase a new battery
ƒ If the battery status indicator starts blinking
ƒ If the battery has not been used for a long time
Y550 UG V1.0_en.book Page 25 Wednesday, December 10, 2008 4:51 PM