Lenovo Ideapad 300 14ibr Ideapad 300 15ibr User Guide

Chapter 4. Troubleshooting
27
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.
•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. Make sure that 
the BIOS...

28
Appendix A. CRU instructions
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.
Replacing the hard disk drive   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
You can increase the storage capacity of your computer by...

Appendix A. CRU instructions
29
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 main compartment cover.
a. Remove the screws that secure the compartment cover  .
b. Remove the compartment cover  .
4Remove the frame fixing screws  .
a
b
1
2
2
1
c
3
3
3
3 

30
Appendix A. CRU instructions
5Pull the hard disk drive in the direction shown by arrow  .
6Take out the hard disk drive secured in a metal frame  .
7Remove the screws and detach the metal frame from the hard disk drive.
8Attach the metal frame to a new hard disk drive and tighten the screws.
9Put the hard disk drive gently into the hard disk drive bay and the connectors facing each 
other; then push it firmly into space.
0Reinstall the frame fixing screws.
AAfter aligning the attachment clips with...

Appendix A. CRU instructions
31
Replacing memory   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
You can increase the amount of memory in your computer by installing double-data-rate three 
synchronous dynamic random access memory (DDR3 SDRAM)-available as an option-in the 
memory slot of your computer. DDR3 SDRAM is available in various capacities.
To...

32
Appendix A. CRU instructions
7Push the DDR3 SDRAM inward toward the socket until the latches on both edges of the 
socket are pushed into the closed position.
8After aligning the attachment clips with their matching gaps, reinstall the compartment cover.
9Reinstall and tighten the screws.
0Turn the computer over again.
AConnect the AC power adapter and the cables to the computer.
To make sure that the DDR3 SDRAM is installed correctly, do as follows:
1Shut down the computer.
2Press the Novo button and...

Appendix A. CRU instructions
33
Replacing the keyboard  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
To replace the keyboard, do the following:
1Turn off the computer; then disconnect the AC power adapter and all cables from the computer.
2Close the computer display, and then turn the computer over.
3Remove the screws that secure the keyboard  .
4Loosen the keyboard with a...

34
Appendix A. CRU instructions
5Lift the keyboard slightly  . Disconnect the keyboard connector in the direction shown by 
arrows   and  . Then remove the keyboard.
6Reconnect the keyboard connector and install the new keyboard. Push the keyboard in 
gently until it clicks into place.
7Close the computer display and turn the computer over.
8Reinstall and tighten the screws.
9Reinstall the compartment cover and tighten the screws.
0Turn the computer over again.
AConnect the AC power adapter and the...

Appendix A. CRU instructions
35
Removing the optical drive  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
To remove the optical drive, do the following:
1Remove the keyboard. For details, see “Replacing the keyboard” on page 33.
2Remove the screw shown in the illustration   .
3Gently pull the optical drive out  .
4Remove the screw  , then remove the optical drive bracket in the direction shown by...

36
Appendix A. CRU instructions
The following table provides a list of CRUs (Customer Replaceable Units) for your computer 
and informs you of where to find replacement instructions.
Safety, Warranty, and Setup 
GuideUser Guide
AC power adapter O
Power cord for AC power 
adapterO
Bottom access doors O
Hard disk drive O
Memory O
Keyboard O
Optical drive O