Lenovo Ideapad 310 Touch 15ikb User Guide

							Appendix A. CRU instructions
37
Replacing the memory (on select models)  - - - - - - - - - - - - - - 
You can increase the amount of memory in your computer by installing 
double data rate fourth generation synchronous dynamic random access 
memory (DDR4)-available as an option-in the memory slot of your 
computer. DDR4 modules are available in various capacities.
 To install a DDR4 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 DDR4. Do not touch the 
c
 ontact edge of the DDR4 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: 
•Us
e 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.
• Sel
ect types of memory is not self-serviced, if necessary consult Lenovo service center.
a
b 
						

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Appendix A. CRU instructions
5Remove DDR4 module by pulling out on the latches on both edges of the 
socket at the same time. Be sure to save the old DDR4 for future use.
6Align the notch of the DDR4 module with the protrusion of the socket 
and gently insert the new module at a 30-45° angle.
7Push the DDR4 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 
						

							Appendix A. CRU instructions
39
To make sure that the DDR4 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.  
						

							40
Appendix A. CRU instructions
Replacing the Mini PCI Express Card - - - - - - - - - - - - - - - - - - - - - - - - - 
To replace the Mini PCI Express Card, 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 memory/Mini PCI Express Card slot compartment cover.
a.Loosen the screw that secure the co
 mpartment cover .
b.Remove the compartment cover  .
4If a tool for removing connectors is included in the package with the new 
card, use it to disconnect the cables   from the card. If no such tool is 
included, disconnect the cables by holding up the connectors with your 
fin

gers and gently unplugging them. Then remove the screws   and the 
card pops up.
a
b
d 
						

							Appendix A. CRU instructions
41
5Remove the card in the direction shown by .
6Align the contact edge of the new Mini PCI Express Card with the 
corresponding socket.
7Pivot the card until you can snap it into place. Then secure the card with 
the screw.
dcc
e 
						

							42
Appendix A. CRU instructions
8Connect the antenna cables to the new Mini PCI Express Card. Be sure to 
attach the gray cable to the connector marked “MAIN” or “M” on the 
card, and the black cable to the connector marked “AUX” or “A”.
9Reinstall the compartment cover and tighten the screw.
0Turn the computer over again.
AConnect the AC power adapter and the cables to the computer. 
						

							Appendix A. CRU instructions
43
Replacing the optical drive  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
To replace the optical 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 .
a 
						

							44
Appendix A. CRU instructions
4Gently pull the optical drive out from its cavity .
5Insert a new optical drive and tighten the screw to secure the drive.
6Turn the computer over again.
7Connect the AC power adapter and the cables to the computer.
b
b 
						

							Appendix A. CRU instructions
45
The following table provides a list of CRUs for your computer, and informs 
you of where to find replacement instructions.
Self-service CRUs 
Optional-service CRUs  
Safety, Warranty, and Setup Guide User Guide
AC power adapter  ×
Optical drive  ×
Hard disk drive ×
Mini PCI Express 
Car
 d ×
Safety, Warranty, and Setup Guide User Guide
Memory × 
						

							46
Trademarks
The following terms are trademarks or registered trademarks of Lenovo in the 
United States, other countries, or both.
Lenovo
OneKey
Microsoft and Windows are trademarks of Microsoft Corporation in the United 
S
tates, other countries, or both.
Other company, products, or service names may be trademarks or service marks 
of
  others.