Lenovo ThinkCentre M720 Handleiding
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M720t User Guide and Hardware Maintenance
Manual
Energy Star Machine Types: 10SQ, 10SR, 10SS, 10TQ, 10U4, and
10U5
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 77.
Third Edition (August 2019)
© Copyright Lenovo 2019.
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
Locking the computer cover . . . . . . . . . . . 9
Enabling or disabling the E-lock . . . . . . . . . 9
Attaching a Kensington-style cable lock . . . . . 10
Attaching a smart cable clip . . . . . . . . . . 10
Chapter 4. Replacing hardware . . . . 13
Before replacing hardware . . . . . . . . . . 13
Knowing FRUs (including CRUs) . . . . . . . . 13
Locating FRUs (including CRUs) . . . . . . . . 14
Replacing the keyboard or wireless keyboard . . . 16
Replacing the mouse or wireless mouse . . . . . 17
Replacing the power cord . . . . . . . . . . . 21
Replacing the dust shield . . . . . . . . . . . 22
Removing the computer cover . . . . . . . . . 23
Replacing the front bezel . . . . . . . . . . . 23
Replacing the optical drive . . . . . . . . . . 24
Replacing the optical drive bracket . . . . . . . 25
Replacing the storage drive . . . . . . . . . . 26
Replacing a memory module. . . . . . . . . . 31
Replacing a PCI Express card . . . . . . . . . 34
Replacing the Wi-Fi card . . . . . . . . . . . 36
Replacing the M.2 solid-state drive . . . . . . . 38
Replacing the M.2 solid-state drive bracket . . . . 45
Replacing the power supply assembly . . . . . . 46
Replacing the Wi-Fi antennas . . . . . . . . . 48
Replacing the internal speaker . . . . . . . . . 51
Replacing the front fan . . . . . . . . . . . . 53
Replacing the illuminated red dot cable . . . . . 55
Replacing the thermal sensor . . . . . . . . . 57
Replacing the front I/O bracket . . . . . . . . . 58
Replacing the power button . . . . . . . . . . 60
Replacing the card reader board . . . . . . . . 61
Replacing the heat sink and fan assembly . . . . 62
Replacing the microprocessor . . . . . . . . . 64
Replacing the coin-cell battery . . . . . . . . . 67
Replacing the E-lock . . . . . . . . . . . . . 69
Replacing the cover presence switch . . . . . . 70
Replacing the rear fan . . . . . . . . . . . . 72
Replacing the system board . . . . . . . . . . 73
Completing the parts replacement . . . . . . . 74
Appendix A. Notices . . . . . . . . . . 77
Appendix B. Trademarks . . . . . . . 79
© Copyright Lenovo 2019 i
Product specificaties
| Merk: | Lenovo |
| Categorie: | Desktop |
| Model: | ThinkCentre M720 |
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