Lenovo 10SJ0027IX Owner's manual

M920s User Guide and Hardware
Maintenance Manual
Energy Star Machine Types: 10SJ, 10SK, 10SL, 10TN, 10U2 and
10U3
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Note: Bef re using this inf rmati n and the pr duct it supp rts, be sure t read and understand the
Important Product Information Guide and Appendix A “N tices” n page 65.
First Edition (June 2018)
© opyright Lenovo 2018.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data r s ftware is delivered pursuant t a General Services
Administrati n “GSA” c ntract, use, repr ducti n, r discl sure is subject t restricti ns set f rth in C ntract N . GS-
35F-05925.

Contents
hapter 1. Overview. . . . . . . . . . . 1
Fr nt view . . . . . . . . . . . . . . . . . . 1
Rear view . . . . . . . . . . . . . . . . . . 3
System b ard . . . . . . . . . . . . . . . . 5
Machine type and m del label . . . . . . . . . . 6
hapter 2. Specifications . . . . . . . . 7
hapter 3. omputer locks . . . . . . . 9
Enabling r disabling the E-l ck . . . . . . . . . 9
L cking the c mputer c ver . . . . . . . . . . 10
Attaching a Kensingt n-style cable l ck . . . . . 10
Attaching a cable l ck . . . . . . . . . . . . 11
hapter 4. Replacing hardware . . . . 13
Bef re replacing hardware . . . . . . . . . . 13
Kn wing FRUs (including CRUs) . . . . . . . . 13
L cating FRUs (including CRUs) . . . . . . . . 14
Replacing the p wer c rd . . . . . . . . . . . 16
Replacing the external pti ns . . . . . . . . . 17
Rem ving the c mputer c ver . . . . . . . . . 19
Replacing the fr nt bezel . . . . . . . . . . . 20
Replacing the ptical drive . . . . . . . . . . 21
Piv ting the drive bay assembly upward and
d wnward . . . . . . . . . . . . . . . . . 23
Replacing the internal speaker . . . . . . . . . 24
Replacing the illuminated red d t . . . . . . . . 27
Replacing the thermal sens r . . . . . . . . . 28
Replacing the fr nt I/O pti ns . . . . . . . . . 31
Replacing the st rage drive . . . . . . . . . . 34
Replacing the mem ry m dule . . . . . . . . . 40
Replacing the heat sink and fan assembly . . . . 41
Replacing the micr pr cess r . . . . . . . . . 43
Replacing a PCI Express card . . . . . . . . . 45
Replacing the E-l ck . . . . . . . . . . . . . 46
Replacing the c ver presence switch . . . . . . 47
Replacing the Wi-Fi card . . . . . . . . . . . 48
Replacing the Wi-Fi antennas . . . . . . . . . 52
Replacing the c in-cell battery . . . . . . . . . 54
Replacing the M.2 st rage drive . . . . . . . . 56
Replacing the M.2 st rage drive bracket . . . . . 58
Replacing the p wer supply assembly . . . . . . 59
Replacing the system b ard . . . . . . . . . . 61
C mpleting the parts replacement . . . . . . . 62
Appendix A. Notices. . . . . . . . . . 65
Appendix B. Trademarks . . . . . . . 67
© C pyright Len v 2018 i

ii M920s User Guide and Hardware Maintenance Manual

hapter 1. Overview
This chapter pr vides basic inf rmati n t help y u get familiar with y ur c mputer.
Front view
Note: Y ur c mputer m del might l k slightly different fr m the illustrati n.
Figure 1. Front view
1 Optical drive eject/cl se butt n ( pti nal) 2 Optical drive status indicat r ( pti nal)
3 St rage drive activity indicat r 4 Card reader ( pti nal)
5 USB 3.1 Gen 1 Type-C c nnect r 6 P wer butt n
7 P wer indicat r 8 Micr ph ne c nnect r
9 Headset c nnect r 10 USB 3.1 Gen 1 c nnect rs (2)
11 USB 3.1 Gen 2 c nnect rs (2) 12 Illuminated red d t
13 Internal speaker
1 Optical drive eject/close button
© C pyright Len v 2018 1