Lenovo Ideapad 310 Touch 15ikb User Guide

							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 L
enovo 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 computer.
Where can I find the hardware specifications for my computer? You can find hardware specification for your computer on the printed 
f
lyers which came with your computer.
Where can I find warranty information? For the warranty applicable to your computer, including the warranty 
perio
d and type of warranty service, see the Lenovo limited warranty flyer 
that came with your computer.
„ Drivers and preinstalled software
Where are the installation discs for Lenovo preinstalled software (desktop 
software)?
Your computer does not come with installation discs for Lenovo 
prein
stalled software. If you need to reinstall any preinstalled software, 
you can find the installation program on the D partition of your hard disk 
(for select models, on the C partition). If you cannot find the installation 
program there, 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 
pro
vides drivers for all the hardware devices that you need on the D 
partition of your hard disk (for select models, on the C partition). You can 
also download the latest device drivers from the Lenovo consumer support 
website. 
						

							Chapter 4. Troubleshooting
28 „Le
novo OneKey Recovery system
Where are the recovery discs?
Your computer did not come with recovery discs. Use the Lenovo OneKey 
Re
covery 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 
f
ollowing steps:
1 Clo
se all open programs, and then restart the back-up process.
2Ch
eck 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 
critica
l 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 
in
formation 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:
1S
hut down the computer.
2Press th
 e Novo button and then select  BIOS Setup.
How can I change the boot mode? There are two boot modes:  UE
 FI 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.
When do I need to change the boot mode? The default boot mode for your computer is  UE
 FI 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. 
						

							Chapter 4. Troubleshooting
29
„
G
etting help
How can I contact the customer support center?
See “Chapter 3. Getting help and service” of  Le
 novo Safety and General 
Information Guide . 
						

							Chapter 4. Troubleshooting
30
Troubleshooting  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
Display problems
When I turn on the 
computer, nothing appears 
on the screen.•
If the screen is blank, make sure that:
- The AC power adapter is connected to the compu
 ter, and the power cord is plugged into a 
working electrical outlet.
- The computer power is on. Press the Power button  ag
 ain for confirmation.
• If t
hese items are set correctly, and the screen remains 
blank, have the computer serviced. 
When I turn on the 
compu
 ter, only a white 
cursor appears on a blank 
screen.  •
Restore backed-up files to your Windows 
environment 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 
w
 hile 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  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 power is getting low. Connect the AC 
power adapter to the computer.
The computer enters sleep 
mod
 e immediately after 
Power-on. •
Make sure that:
- The battery is charged.
- The operating temperature is within the acceptable ra
 nge. See “Chapter 2. Use and care Information” in 
the  Lenovo Safety and General Information Guide .
Note:If the battery is charged and the temperature is within range, have the computer 
serviced. 
						

							Chapter 4. Troubleshooting
31
The computer does not 
return from sleep mode and 
the computer does not 
work. •
If your computer is in sleep mode, connect the AC 
power adapter to the computer, then press the 
Windows button or the Power button.
• I
f the system still does not return from sleep mode, 
your 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 b
 attery, and the battery status indicator is on, press 
F12  ( ) to make the screen brighter.
- If the power indicator is blinking, press the Power  b
 utton to resume from sleep mode.
-Press  F9 ( ) to confirm whether the backlight of 
the LCD screen has been turned off.
- If the problem persists, follow the solution in the  n
 ext problem “The screen is unreadable or 
distorted.”
The screen is unreadable or 
di
 storted. •
Make sure that: 
- The screen resolution and color quality are correctly set
 . 
- The monitor type is correct.
Incorrect characters appear 
on
  the screen. •
Is the operating system or programs installed 
correctly? 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 sure that:
- The Mute function is off.
- The combo audio jack is not being used.
- Speakers are selected as the playback device.  
						

							Chapter 4. Troubleshooting
32
Battery problems
Your computer shuts down 
before the battery status 
indicator shows empty. 
-or-
 
Your computer operates 
after the battery status 
indicator shows empty. •
Recha
rge the battery.
Other problems
Your computer does not 
respond. •
To turn off your computer, press and hold the Power 
button for eight seconds or more. If the computer still 
does not respond, remove the AC power adapter.
• Y
our computer might lock when it enters sleep mode 
during a communication operation. Disable the sleep 
timer when you are working on the network.
The connected external 
d
 evice does not work.  •
Do  not  connect or disconnect any external device 
cables other than USB while the computer power is 
on. Otherwise, you might damage your computer.
• W
hen using high power consumption external 
devices, such as an external USB optical drive, use an 
external device power adapter. Otherwise, the device 
may not be recognized, or the system may shut down 
as a result. 
						

							33
Appendix A. CRU instructions
Customer Replaceable Units (CRUs) are parts that can be upgraded or 
replaced by the customer. If a CRU is determined to be defective during the 
warranty period, a replacement CRU will be provided to the customer. 
Customers are responsible for installing the self-service CRUs for this 
product. Customers also can install  optional-service CRUs, which might 
require some technical skills or tools,  or request that a technician install the 
optional-service CRU under the terms of the applicable warranty service 
type for your country or region.
CAUTION:
Set the built-in battery in Ship Mode be fo
 re replacing a CRU or sending your 
computer for service.
1Turn off the computer and disconnect the AC adapter.
2Press  Fn + S + V .
3Press the Power button to verify if Ship Mode has been set.
Notes: 
•The illustrations used in this chapter are of the Lenovo ideapad 310-14IKB, unless 
otherwise stated.
• Th
e illustrations in this manual might differ from the actual product. Please refer to the 
actual product.
• Th
e CRU service is only applicable to certain countries.
Note: When set in Ship Mode, the battery does not supply power to the computer. To awake 
the battery from Ship Mode, connect the AC adapter to your computer. 
						

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Appendix A. CRU instructions
Replacing the hard disk drive (ideapad 310-
15IKB/ideapad 310 Touch-15IKB only) 
 - - - - - - - - - - - - - - - - - - - - - - - 
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 hard disk drive is very sensitive. Incorrect handling can cause damage 
an
 d permanent loss of data on the hard disk. Before removing the hard disk 
drive, make a backup copy of all the information on the hard disk, and then 
turn the computer off. Never remove the hard disk drive while the system is 
operating or in sleep mode.
Notes: 
• Replace the hard disk drive only for upgrading or repair. The connectors and bay of the 
hard disk drive were not designed for frequent changes or drive swapping.
• T
he preinstalled software are not included on an optional hard disk drive.
Handling a hard disk drive
• Do not drop the drive or subject it to physical shock. Put the drive on a material, 
such as soft cloth, that absorbs any physical shock.
• Do not apply pressure to the cover of the drive. 
• Do not touch the connector of the drive. 
						

							Appendix A. CRU instructions
35
To replace the hard disk drive, 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.
3Remove the screw , and then remove the hard disk drive(HDD) slot 
compartment cover  .
a
b 
						

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Appendix A. CRU instructions
4Remove the hard disk drive by gently pulling it in the direction of the 
arrow .
5Detach the frame from the hard disk drive.
6Attach the frame to a new hard disk drive.
7Slide the new hard disk drive firmly into place.
8Reinstall the hard disk drive(HDD) slot compartment cover and tighten 
the screw.
9Turn the computer over again.
0Connect the AC power adapter and the cables to the computer.
c