The following table lists the major FRUs shown in Figure 5 "Major FRUs and CRUs" on page 34 and identifies
which FRUs are also self-service CRUs or optional-service CRUs.
Notes:
• Self-service CRUs: Parts to be installed or replaced by customer themselves.
• Optional-service CRUs: Parts can be installed or replaced by customers or technicians under certain
terms of the applicable warranty service type for your country or region.
• Non-CRUs: Parts must be installed or replaced only by trained service technicians.
Number
1
Rear fan assembly
2
Heat sink and fan assembly
3
Cover presence switch (intrusion switch)
4
Internal speaker
5
Optical drive bracket
6
Flex bay storage enclosure
7
Optical drive
8
Flex module
9
Front panel I/O cable
10
Front fan assembly
11
Blind-connect assembly (some models)
12
Hard disk drive, hybrid drive, or solid-state drive
13
Flex adapter
14
M.2 solid-state drive
15
Direct cooling air baffle
16
Power supply module
17
PCI card or PCI Express card
18
Super capacitor module
19
Wi-Fi adapter card
20
Wi-Fi card module
21
Wi-Fi antenna
22
Memory modules
23
Microprocessor
24
System board
25
Battery
a
Lenovo factory recovery USB key
b
Lenovo recovery disc set
For detailed FRU information, such as the FRU part numbers and supported computer models, go to:
http://www.lenovo.com/serviceparts-lookup
Parts on the system board
Note: Your computer comes with one of the following system boards.
FRU description
Self-service CRU
Optional-service CRU
Yes
No
Yes
No
Yes
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
No
No
Yes
No
No
.
Chapter 2
No
Yes
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
Yes
No
Yes
No
No
No
No
No
No
No
35
Product overview