Lenovo B50 50 Laptop User Guide

							Chapter 2. Starting to use Windows
17
Get Started app (for the Windows 10 
operating system)  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  - - - - - - - - - - - - 
Windows 10 also provides the  Get Started app to explain the new features of 
Windows 10. You can find it on the start menu.
To open the Get Started app, do one of the following:
 Open the start menu and select  Get Starte
 d  .
 ess Fn + F1 (depending on your keyboard layout). 
						

							18
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.
Notes:• If your computer is preinstalled with a GNU/Linux/DOS operating system, OneKey 
Recovery system is not available.
•To utilize the features of the OneKey Recovery  system, your hard disk already includes a 
hidden partition by default to store the sy stem image file and the OneKey Recovery 
system program files. This default partition is  hidden for security reasons, which explains 
why the available disk space is less than the stated capacity.
 Backing up the system partition
You can back up the system partition to an image file. This image file can be 
used to restore the system partition.  To back up the system partition:
1 In Windows, press the Novo button or double-click OneKey Recovery 
icon  to 

start the Lenovo OneKey Recovery system.
2 Click  System B a
ckup .
3 Select a back-up location  and click 
 Next to start the backup.
Notes:•You can choose a back-up location on the local hard disk drive or an external storage 
device.
•Remove the removable hard disk drive before starting the Lenovo OneKey Recovery 
system. Otherwise, data from the remo vable hard disk drive might be lost.
• The back-up process may take a while.
• The back-up process is only available when Windows can be started normally. 
						

							Chapter 3. Lenovo OneKey Recovery system
19

Restor ing
You can choose to restore the system partition to its original status or to a 
previously created back-up point. To restore the system partition:
1In Windows, press the Novo button or double-click OneKey Recovery 
icon to 
 start the Lenovo OneKey Recovery system.
2 Click  System Recovery . T

he computer will restart to the recovery 
environment.
3 Follow the on-screen instructions to restore the system partition to its 
original 
 status or to a prev iously created back-up point.
Notes:•The recovery process is irreversible. Make sure  to back up any data you wish to save on 
the system partition before starting the recovery process.
• The recovery process may take a while. So be  sure to connect the AC power adapter to 
your computer during the recovery process.
• The above instructions should be followed when Windows can be started normally.
If W

indows cannot be started, then foll ow the st
 eps below to start the Lenovo 
OneKey Recovery system:
1 Shut down  the computer
 .
2 Press the Novo button. From the  N
 ovo Button Menu, select System 
Recovery  and press Enter. 
						

							20
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 pr
 ecautions for using your computer. Read and 
follow all the precautions when using your computer.
Where can I find the hardware sp ecifications for my computer?
Y o

u can find hardware specification for your computer on the printed 
flyers wh ich c

ame with your computer.
Where can I find warranty information? For detailed warranty information on this machine, please visit below 
website to check out: 
support.lenovo.com/warr

antystatus.
Drivers and preinstalled software
Where are the installation discs for Le novo preinstalled software (desktop 
software)?
Your computer did not come with installation discs for Lenovo preinstalled 
softwar
 e. If you need to reinstall any preinstalled software, you can find 
the installation program on the C or D partition of your hard disk. If you 
cannot find the installation program th ere, you can also download it from 
the Lenovo consumer support website.
Where can I find drivers for the various hardware devices of my computer? If your computer is preinstalled with a Windows operating system, Lenovo 
provides drive
rs f

or all the hardware devices that you need on the C or D 
partition of your hard disk. You can also download the latest device drivers 
from the Lenovo consumer support website. 
						

							Chapter 4. Troubleshooting
21
Lenovo OneKey Recovery system
Where are the recovery discs?
Your computer did not come with recovery discs. Use the Lenovo OneKey 
Recovery system if you need to restore the system to its factory status.
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 before starting recovery.
BIOS setup utility
What is the BIOS setup utility?
The BIOS setup utility is ROM-based software. It displays basic computer 
information and provides options for setting boot devices, security, 
hardware mode, and other preferences.
How can I start the BIOS setup utility?
To start the BIOS setup utility:
1Shut down the computer.
2Press the Novo button and then select BIOS Setup.
How can I change the boot mode?
There are two boot modes: UEFI and Legacy Support. To change the boot 
mode, start the BIOS setup utility and set boot mode to UEFI or Legacy 
Support on the boot menu. 
						

							Chapter 4. Troubleshooting
22
When do I need to change the boot mode?
The default boot mode for your computer is UEFI mode. If you need to 
install a legacy operating system, such as Windows, Linux or Dos, etc (that 
is, any operating system before Windows 8) on your computer, you must 
change the boot mode to Legacy Support. The legacy operating system, 
such as Windows, Linux or Dos, etc cannot be installed if you dont change 
the boot mode.
Getting help
How can I contact the customer support center?
See “Chapter 3. Getting help and service” in the Lenovo Safety and General 
Information Guide. 
						

							Chapter 4. Troubleshooting
23
Troubleshooting  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  - - - - - - - - - - - - - - - - - - - - - 
Display problems
When I turn on the 
computer, nothing appears 
on the screen. •If the scr
een is blank, make sure that:
-

The AC power adapter  is connected to the 
c
 omputer, and the power cord is plugged into a 
working electrical outlet.
- The computer power is on . Press the 
 Power button 
again for confirmation.
•
•
•
If the
 se items are set correctly, and the screen remains 
blank, have the 
 computer serviced. 
W

hen I turn on the 
computer, 
 only a white 
cursor appears on a blank 
screen.  Restore backed-up files to your Windows 
enviro
nment or the entire contents of your hard disk 
to its original factory contents using the Lenovo 
OneKey Recovery system. If you still see only the 
cursor on the screen, have the computer serviced.
The screen goes blank 
wh ile

 the computer is on. Your power management is enabled. Do one of the 
following to 
resume from sleep mode:
- Press any key on the keyboard.
- Press the Power button.
- Press the Windows button.
-Press  F9 (
) to confirm whether 

the backlight of 
the LCD screen has been turned off.
Sleep problems
The critical low-battery error 
message appears, and the 
computer immediately turns 
off. •
•The battery po
wer is getting low. Connect the AC 
power adapter to the computer.
T

he computer enters sleep 
mode  i

mmediately after 
Power-on. Make sure 
that:
-The battery is charged.
- The operating temperature is within the acceptable  range. See  “Chapter 2. Use  and car

e Information” in 
the  Lenovo Safety and General Information Guide .
Note:If the battery is charged and the temperat ure is within range, have the computer 
serviced. 
						

							Chapter 4. Troubleshooting
24
The computer does not 
return from sleep mode and 
the computer does not 
work. •
•If your compu ter is in sleep mode, connect the AC 
power adapter to the computer, then press the 
Windows button or the Power button.
If the 

system still does not return from sleep mode, 
you
 r system has stopped responding, and you cannot 
turn off the computer; reset the computer. Unsaved 
data may be lost. To reset the computer, press and 
hold the Power button for eight seconds or more. If 
the computer still does not reset, remove the AC 
power adapter.
Display panel problems
The screen is blank.  •Do the following:
-

If you are using the AC power adapter or the 
battery, and the  b

attery status indicator is on, press 
F12  (
) to 

make the screen brighter.
- If the power indicator is blinking, press the Power  button to
  resume from sleep mode.
-Press  F9 (
) to confirm whether the b

acklight of 
the LCD screen has been turned off.
- If the problem persists, fo llow t
he
  solution in the 
next problem “The screen is unreadable or 
distorted.”
The screen is unreadable or 
distorted . •
Mak
e sure that: 
- The scr

een resolution and color quality are correctly 
set. 
- T

he monitor type is correct.
Incorrect characters appear 
on the  screen

. •Is 
the operating system or programs installed 
corr ectly? If they are installed and configured 
correctly, have the computer serviced.
Sound problems
No sound can be heard 
from the speakers even 
when the volume is turned 
up. •Make sur
e that:
-

The Mute function is off.
- The combo audio jack is not being used.
- Speakers are selected as the playback device.  
						

							Chapter 4. Troubleshooting
25
Battery problems
Your computer shuts down 
before the battery status 
indicator shows empty.
-or-

Your computer operates 
after the battery status 
indicator shows empty. •
Re
charge the battery.
A hard disk drive problem
The hard disk drive does 
not work. •In the 
Boot m enu in BIOS setup utility, make sure 
that the hard disk drive is included in the  UEFI 
correctly.
Other problems
Your computer does not 
respond. •
•To turn off your computer, press and hold the Power 
button f or eight seconds or more. If the computer still 
does not respond, remove the AC power adapter.
Your computer might lock when it enters sleep mode 
du ring 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. Make 
sure that the  UEFI in the BIOS setup utility is set so 
that the computer starts from the device you want.
Also make sure that the device from which the 
c omputer starts is enabled. In the  Boot menu in the 
BIOS setup utility, make sure that the device is 
included in the  UEFI list.
While powered-off, press No vo 
 button to select the 
device you want the computer starts from.
The connected external 
device does not wor
 k. Do 
not connect or  disconnect any external device 
cables other than USB while the computer power is 
on. Otherwise, you might damage your computer.
When using high power consumption 
 external 
devices, such as an external USB optical disk drive, 
use an external device power adapter. Otherwise, the 
device may not be recognized, or the system may 
shut down as a result. 
						

							26
Appendix A. CRU instructions
Note:The CRU service is only applicable to certain countries.
Removing the keyboard  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
To remove the keyboard, do the following:
1 Turn off the computer. Disconnect the AC power adapte r and all cables 
fr om the computer.
2 Close the computer display, and then turn the computer over.
3 Remove the scre ws that secure the keyboard 
.
4Turn the computer over, and then open the computer display.
5 Push the keyboard with  the tip of an unfolded paper clip (or similar 
object without a sharp tip) through  the screw hole on the back cover.
6
Loosen the keyboard with fingers , and then lift the keyboard slightly .