Lenovo G50 User Manual

Chapter 2. Starting to use Windows 8.1
25
Help and support  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
If you have a problem with the operating system, see the Windows Help and 
Support file. To open the Windows Help and Support file, do one of the 
following:
•Select Settings charm, then select Help.
•Press F1 or Fn + F1 (depending on your keyboard layout).
You can read the Windows Help and...

26
Chapter 3. Lenovo OneKey Recovery System
The Lenovo OneKey Recovery System is software designed to back up and 
restore your computer. You can use it to restore the system partition to its 
original status in case of a system failure. You can also create user backups 
for easy restoration as required.
Backing up the system partition 
You can back up the system partition to an image file. To back up the system partition:
1Press the Novo button to start the Lenovo OneKey Recovery System. 
2Click System...

27
Chapter 4. Troubleshooting
Frequently asked questions  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
This section lists frequently asked questions by category.
Finding information
What safety precautions should I follow when using my computer?
The Lenovo Safety and General Information Guide which came with your 
computer contains safety precautions for using your computer. Read and 
follow all the precautions when using your...

28
Chapter 4. Troubleshooting
What can I do if the back-up process fails?
If you can start the backup but it fails during the back-up process, try the 
following steps:
1Close all open programs, and then restart the back-up process.
2Check to see if the destination media is damaged. Select another path and 
then try again.
When do I need to restore the system to its factory status?
Use this feature when the operating system fails to start up. If there is 
critical data on the system partition, back it up...

Chapter 4. Troubleshooting
29
Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
Display problems
When I turn on the computer, 
nothing appears on the screen.•If the screen is blank, make sure that:
-The battery pack is installed correctly. 
- The AC power adapter is connected to the computer, and 
the power cord is plugged into a working electrical outlet.
-The...

30
Chapter 4. Troubleshooting
 Sleep problems
The critical low-battery error 
message appears, and the 
computer immediately turns off.•The battery power is getting low. Connect the AC power 
adapter to the computer, or replace the battery pack with a 
fully charged one.
The computer enters sleep 
mode immediately after Power-
on self-test (POST). •Make sure that: 
-The battery pack is charged.
-The operating temperature is within the acceptable range. 
See “Chapter 2. Use and care Information” in the...

Chapter 4. Troubleshooting
31
Sound problems
No sound can be heard from 
the speaker even when the 
volume is turned up.•Make sure that:
-The Mute function is off.
-The combo audio jack is not being used.
-Speakers are selected as the playback device. 
Battery pack problems
Your computer shuts down 
before the battery status 
indicator shows empty.
-or-
Your computer operates after 
the battery status indicator 
shows empty.•Discharge and recharge the battery pack.
The computer does not operate 
with a...

32
Chapter 4. Troubleshooting
Other problems
Your computer does not 
respond.•To  turn off your computer, press and hold the Power button 
for four seconds or more. If the computer still does not 
respond, remove the AC power adapter and the battery pack. 
•Your computer might lock when it enters sleep mode 
during a communication operation. Disable the sleep timer 
when you are working on the network.
The computer does not start 
from a device you want. •See the Boot menu of the BIOS setup utility.  M a...

33
Appendix A. CRU instructions
Replacing the battery pack - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
To  r e p l a c e  the battery pack, do the following:
1Turn off the computer. Disconnect the AC power adapter and all cables 
from the computer.
2Close the computer display and turn the computer over.
3Unlock the manual battery pack latch . Slide the spring-loaded latch to 
the unlocked position to eject the battery pack...

34
Appendix A. CRU instructions
Replacing the hard disk drive  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
You can increase the storage capacity of your computer by replacing the hard 
disk drive with one of greater capacity.  You can purchase a new hard disk 
drive from your reseller or Lenovo marketing representative.
The drive is very sensitive. Incorrect handling can cause damage and 
permanent loss of data on the hard disk. Before removing the hard...