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M725s User Guide and Hardware
Maintenance Manual
Energy Star Machine Types: 10VT, 10VU, 10VV, and 10VX
Note: Before using this information and the product it supports, be sure to read and understand the
Important Product Information Guide and Appendix A “Notices” on page 63.
First Edition (July 2018)
© Copyright Lenovo 2018.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services
Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-
35F-05925.
Contents
Chapter 1. Overview. . . . . . . . . . . 1
Front view . . . . . . . . . . . . . . . . . . 1
Rear view . . . . . . . . . . . . . . . . . . 3
System board . . . . . . . . . . . . . . . . 5
Machine type and model label . . . . . . . . . . 6
Chapter 2. Specifications . . . . . . . . 7
Chapter 3. Computer locks . . . . . . . 9
Chapter 4. Replacing hardware . . . . 11
Before replacing hardware . . . . . . . . . . 11
Knowing FRUs (including CRUs) . . . . . . . . 11
Locating FRUs (including CRUs) . . . . . . . . 12
Replacing external options . . . . . . . . . . 14
Removing the computer cover . . . . . . . . . 16
Replacing the front bezel . . . . . . . . . . . 17
Replacing the optical drive . . . . . . . . . . 18
Pivoting the drive bay assembly upward and
downward . . . . . . . . . . . . . . . . . 20
Replacing the storage drive . . . . . . . . . . 22
Replacing the power button board and the card
reader . . . . . . . . . . . . . . . . . . 27
Replacing the illuminated red dot . . . . . . . . 31
Replacing the internal speaker . . . . . . . . . 33
Replacing the thermal sensor . . . . . . . . . 35
Replacing the Wi-Fi card . . . . . . . . . . . 38
Replacing the Wi-Fi antennas . . . . . . . . . 40
Replacing the M.2 solid-state drive . . . . . . . 42
Replacing the M.2 solid-state drive bracket . . . . 45
Replacing the coin-cell battery . . . . . . . . . 46
Replacing a memory module. . . . . . . . . . 48
Replacing the heat sink and fan assembly . . . . 50
Replacing the microprocessor . . . . . . . . . 52
Replacing a PCI Express card . . . . . . . . . 54
Replacing the cover presence switch . . . . . . 56
Replacing the power supply assembly . . . . . . 57
Replacing the system board . . . . . . . . . . 59
Completing the parts replacement . . . . . . . 60
Appendix A. Notices . . . . . . . . . . 63
Appendix B. Trademarks . . . . . . . 65
© Copyright Lenovo 2018 i
Produktspecifikationer
| Varumärke: | Lenovo |
| Kategori: | Skrivbord |
| Modell: | ThinkCentre M725s |
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