Lenovo Ideapad 300 14isk Idealped 300 15isk Ideaped 300 17isk User Guide

The computer does not 
return from sleep mode and 
the computer does not 
work. •If your co mputer is in sleep mode, connect the AC 
power adapter to the computer, then press the 
Windows button or the Power button.
• If the syst
 em still does no t 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...

Battery problems
Your computer shuts down 
before the battery status 
indicator shows empty.
-or-

Your computer operates 
a
fter the battery status 
indicator shows empty. •
Rechar
ge 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 wh en it enters sleep mode 
during a communication operation. Disable the...

29
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...

Appendix A. CRU instructions
30
Replacing the hard disk drive - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
You can increase the storage capacity of  your computer by replacing the hard 
disk drive with one of greater capaci ty. You can purchase a new hard disk 
drive from your reseller or Lenovo marketing representative.
• Replace the hard disk drive only for upgrading or repair. The connectors and bay of the 
hard disk drive were not designed for...

Appendix A. CRU instructions
31
To replace the hard disk drive, do the following:
1Remove the 
 screws a, and then remove the bottom slot cover  b.
2
1
1
2 Remove the frame fixing screws  c.
3
3
3 

Appendix A. CRU instructions
32
3Remove the hard disk drive by gently pulling it in the direction of the 
arrow  d. Take out the hard disk drive secured in a metal frame  e.
4
5
4 Remove the screws and detach the metal frame from the hard disk drive.
5At
tach the metal frame to a new hard  disk drive and tighten the screws.
6Slid
e the new hard disk drive firmly into place, and then reinstall the 
frame fixing screws to secure the drive.
7R
einstall the bottom slot cover and tighten the screws. 

Appendix A. CRU instructions
33
Replacing the memory  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  - 
You can increase the amount of memory in your computer by installing 
double data rate three synchronou s dynamic random access memory 
(DDR3L SDRAM)-available as an opti on-in the memory slot of your 
computer. DDR3L SDRAM modules are available in various capacities.
• Use only the memory types supported by your computer....

Appendix A. CRU instructions
34
3If two DDR3L SDRAM modules are alre ady installed in the memory slot, 
remove one of them to make room for the new one by pulling out on the 
latches on both edges of the socket at  the same time. Be sure to save the 
old DDR3L SDRAM for future use.
11
2
4 Align the notch of the DDR3L SDRAM module with the protrusion of the 
socket and gently insert the new module at a 30-45° angle.
5P
ush the DDR3L SDRAM module down until the latches on both sides of 
the socket lock...

Appendix A. CRU instructions
35
To make sure that the DDR3L SDRAM module is installed correctly, do as 
follows:
1 Press 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. 

Appendix A. CRU instructions
36
Replacing the keyboard  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
To replace the keyboard, do the following:
•Make sure the computer is turned off and a ll the cables disconnected from the computer 
before you replace the keyboard.
• Make sure the computer display is closed to avoid being damaged.
1 Remove the screws  a.
111
2 Turn the computer over and open the display panel.
Notes: