Lenovo Ideapad 310 14iap 310 15iap User Guide

							Chapter 4. Troubleshooting
27
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 
computer, and the power cord is plugged into a 
working electrical outlet.
- The computer power is on. Press the Power button 
again for confirmation.
If these items are set correctly, and the screen remains 
blank, have the computer serviced. 
When I turn on the 
computer, 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 
while 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 
mode immediately after 
Power-on.Make sure that:
- The battery is charged.
- The operating temperature is within the acceptable 
range. 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
28
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.
If 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 
battery, and the battery 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 backlight of 
the LCD screen has been turned off.
- If the problem persists, follow the solution in the 
next problem “The screen is unreadable or 
distorted.”
The screen is unreadable or 
distorted.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
29
Battery problems
Your computer shuts down 
before the battery status 
indicator shows empty.
 
-or- 
Your computer operates 
after the battery status 
indicator shows empty.
Recharge 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.
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 connected external 
device 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.
When 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. 
						

							30
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 before 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 310-14ISK, unless 
otherwise stated.
The illustrations in this manual might differ from the actual product. Please refer to the 
actual product.
The 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. 
						

							Appendix A. CRU instructions
31
Replacing the hard disk drive (ideapad 310-15IAP 
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.
 Th
e 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. 
						

							32
Appendix A. CRU instructions
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
a
b 
						

							Appendix A. CRU instructions
33
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
c 
						

							34
Appendix A. CRU instructions
Replacing the memory (on select models)  - - - - - - - - - - - - - - - - - - - 
You can increase the amount of memory in your computer by installing 
double-data-rate type three low voltage synchronous dynamic random 
access memory (DDR3L)-available as an option-in the memory slot of your 
computer. DDR3L modules are available in various capacities.
 To install a DDR3L module, do the following: 
1Touch a metal table or a grounded metal object to reduce any static  
electricity in your body, which could damage the DDR3L. Do not touch 
th
 e contact edge of the DDR3L module.
2Turn off the computer. Disconnect the AC power adapter and all cables 
from the computer.
3Close the computer display and turn the computer over.
4Remove the screw  , and then remove the memory/Mini PCI Express 
Card slot compartment cover  .
Notes: 
U
se only the memory types supported by your computer. If you incorrectly install 
optional memory, or install an unsupported memory type, a warning beep will sound 
when you try to start the computer.
 Se
lect types of memory is not self-serviced, if necessary consult Lenovo service center.
a
b 
						

							Appendix A. CRU instructions
35
5Remove DDR3L module by pulling out on the latches on both edges of 
the socket at the same time. Be sure to save the old DDR3L for future use.
6Align the notch of the DDR3L module with the protrusion of the socket 
and gently insert the new module at a 30-45° angle.
7Push the DDR3L module down until the latches on both sides of the 
socket lock into its position.
8After aligning the attachment clips with their matching gaps, reinstall the 
memory/Mini PCI Express Card slot compartment cover.
9Tighten the screw.
0Turn the computer over again.
AConnect the AC power adapter and the cables to the computer.
11
2
a
b 
						

							36
Appendix A. CRU instructions
To make sure that the DDR3L module is installed correctly, do as follows: 
1Press the Novo button to open the Novo button menu. 
2Select the BIOS Setup. The System Memory item shows the total amount 
of memory installed in your computer.