Table Of Contents - Lenovo ThinkCentre M720t User Manual And Hardware Maintenance Manual

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 . . . . .
Attaching a smart cable clip . . . . . . . . . .
Chapter 4. Replacing hardware . . . . 13
Before replacing hardware . . . . . . . . . .
Knowing FRUs (including CRUs) . . . . . . . .
Locating FRUs (including CRUs) . . . . . . . .
Replacing the keyboard or wireless keyboard . . .
Replacing the mouse or wireless mouse . . . . .
Replacing the power cord . . . . . . . . . . .
Replacing the dust shield . . . . . . . . . . .
Removing the computer cover . . . . . . . . .
Replacing the front bezel . . . . . . . . . . .
Replacing the optical drive . . . . . . . . . .
Replacing the optical drive bracket . . . . . . .
Replacing the storage drive . . . . . . . . . .
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Replacing a memory module. . . . . . . . . .
Replacing a PCI Express card . . . . . . . . .
Replacing the Wi-Fi card . . . . . . . . . . .
Replacing the M.2 solid-state drive . . . . . . .
Replacing the M.2 solid-state drive bracket . . . .
Replacing the power supply assembly . . . . . .
Replacing the Wi-Fi antennas . . . . . . . . .
Replacing the internal speaker . . . . . . . . .
Replacing the front fan . . . . . . . . . . . .
Replacing the illuminated red dot cable . . . . .
Replacing the thermal sensor . . . . . . . . .
10
Replacing the front I/O bracket . . . . . . . . .
10
Replacing the power button . . . . . . . . . .
Replacing the card reader board . . . . . . . .
Replacing the heat sink and fan assembly . . . .
13
Replacing the microprocessor . . . . . . . . .
13
Replacing the coin-cell battery . . . . . . . . .
14
Replacing the E-lock . . . . . . . . . . . . .
16
Replacing the cover presence switch . . . . . .
17
Replacing the rear fan . . . . . . . . . . . .
21
Replacing the system board . . . . . . . . . .
22
Completing the parts replacement . . . . . . .
23
23
Appendix A. Notices . . . . . . . . . . 77
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Appendix B. Trademarks . . . . . . . 79
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