User Manual

Solution: The battery might be over-discharged. Connect the ac power adapter to the computer and let it
charge. If the battery cannot be fully charged in 24 hours, have the computer serviced.
• Problem: The computer shuts down before the battery status icon shows that the battery is empty.
Solution: Fully discharge and recharge the battery for two times. If the problem persists, have the
computer serviced.
• Problem: The operating time for a fully charged battery is short.
Solution: Fully discharge and recharge the battery for two times. If the problem persists, have the
computer serviced.
• Problem: I cannot turn on my computer with a fully charged battery.
Solution: Do the following:
1. Remove the ac power adapter.
2. Reset the system by inserting one end of a needle or a straightened paper clip into the emergency-
reset hole. To locate the emergency-reset hole, see “Bottom view” on page 6.
3. Reconnect the ac power adapter, and then turn on the computer.
• Problem: The battery cannot get charged.
Solution: You cannot charge the battery when it is too hot. If the battery is hot, wait for a while to let it cool
to room temperature. After it cools, recharge the battery. If it still cannot be charged, have the computer
serviced.
ac power adapter problem
Problem: The ac power adapter is connected to the computer and the working electrical outlet, but the
power adapter (power plug) icon is not displayed in the Windows notification area. The ac power indicator
also does not light up.
Solution: Do the following:
1. Ensure that the connection of the ac power adapter is correct. For instructions on how to connect the ac
power adapter, see “Using the ac power adapter” on page 24.
2. If the connection of the ac power adapter is correct, turn off the computer, and then disconnect the ac
power adapter.
3. Reconnect the ac power adapter, and then turn on the computer.
4. If the power adapter icon still is not displayed in the Windows notification area, have the ac power
adapter and your computer serviced.
Power problems
Print these instructions now and keep them with your computer for reference later.
• Problem: My computer is getting no power at all.
Solution: Check the following items:
1. Verify the power button. The power button is illuminated whenever the computer is on.
2. Check all power connections. Remove any power strips and surge protectors to connect the ac
power adapter directly to the ac power outlet.
3. Inspect the ac power adapter. Check for any physical damage, and ensure that the power cable is
firmly attached to the adapter brick and the computer.
4. Verify that the ac power source is working by attaching another device to the outlet.
• Problem: My computer does not run on battery power.
Chapter 7. Troubleshooting computer problems 89