Contents
Important safety information . . . . . . v
Service and upgrades . . . . . . . . . . . . .
v
Static electricity prevention . . . . . . . . . . .
v
Power cords and power adapters . . . . . . . . vi
Extension cords and related devices . . . . . . . vi
Plugs and outlets. . . . . . . . . . . . . .
vii
External devices . . . . . . . . . . . . . .
vii
General battery notice . . . . . . . . . . . .
vii
Rechargeable battery notice . . . . . . . . .
viii
Heat and product ventilation . . . . . . . . .
viii
Operating environment . . . . . . . . . . . . ix
Laser compliance statement . . . . . . . . . . ix
Power supply statement . . . . . . . . . . . .
x
Cleaning and maintenance . . . . . . . . . . .
x
Chapter 1. Product overview . . . . . . 1
Features . . . . . . . . . . . . . . . . . .
1
Specifications . . . . . . . . . . . . . . . .
4
Lenovo programs
. . . . . . . . . . . . . .
4
Accessing a program on your computer . . . .
4
An introduction to Lenovo programs . . . . .
5
Locations. . . . . . . . . . . . . . . . . .
7
Locating connectors, controls, and indicators
on the front of your computer . . . . . . . .
8
Locating connectors on the rear of your
computer . . . . . . . . . . . . . . . .
9
Locating components . . . . . . . . . .
11
Locating parts on the system board
. . . .
12
Machine type and model label . . . . . . .
13
Chapter 2. Using your computer . . .
15
Frequently asked questions
. . . . . . . . .
15
Navigating among screens on the Windows 8 and
Windows 8.1 operating systems . . . . . . . .
15
Navigating on Windows 8
. . . . . . . .
15
Navigating on Windows 8.1 . . . . . . . .
17
Accessing Control Panel on the Windows 8 or
Windows 8.1 operating system . . . . . . . .
18
Using Windows shortcut keys. . . . . . . . .
18
Using the wheel mouse . . . . . . . . . . .
19
Setting the computer volume . . . . . . . . .
19
Adding an icon to the Windows notification area .
19
Using CDs and DVDs . . . . . . . . . . . .
20
Handling and storing CD and DVD media . .
20
Playing a CD or DVD . . . . . . . . . .
21
Recording a CD or DVD . . . . . . . . .
21
Chapter 3. You and your computer . .
23
Accessibility and comfort . . . . . . . . . .
23
Arranging your workspace . . . . . . . .
23
Comfort . . . . . . . . . . . . . . .
23
Glare and lighting . . . . . . . . . . . .
24
Air circulation . . . . . . . . . . . . .
24
Electrical outlets and cable lengths . . . . .
24
Accessibility information . . . . . . . . .
24
Registering your computer . . . . . . . . . .
27
Moving your computer to another country or
region . . . . . . . . . . . . . . . . . .
27
Chapter 4. Security . . . . . . . . . .
29
Security features . . . . . . . . . . . . . .
29
Attaching a Kensington-style cable lock. . . . .
30
Preventing unauthorized access to your
computer . . . . . . . . . . . . . . . . .
30
Using fingerprint authentication . . . . . . . .
31
Using and understanding firewalls . . . . . . .
31
Protecting data against viruses . . . . . . . .
31
Chapter 5. Installing or replacing
hardware . . . . . . . . . . . . . . .
33
Handling static-sensitive devices . . . . . . .
33
Installing or replacing hardware . . . . . . . .
33
Installing external options
. . . . . . . .
33
Installing or removing the ac power adapter .
34
Installing or removing the vertical stand . . .
35
Installing or removing the VESA mount
bracket . . . . . . . . . . . . . . . .
37
Installing or removing the ac power adapter
bracket . . . . . . . . . . . . . . . .
39
Replacing the optical drive . . . . . . . .
41
Replacing the secondary hard disk drive. . .
46
Installing or removing the I/O box . . . . .
52
Removing the computer cover. . . . . . .
55
Installing or removing the hard disk drive
assembly . . . . . . . . . . . . . . .
57
Installing or replacing a memory module . . .
59
Replacing the battery . . . . . . . . . .
60
Replacing the Power button board . . . . .
62
Replacing the Wi-Fi card module. . . . . .
63
Installing or removing the front Wi-Fi
antenna
. . . . . . . . . . . . . . .
65
Installing or removing the rear Wi-Fi antenna .
67
Replacing the internal speaker. . . . . . .
69
Replacing the cover presence switch . . . .
71
Replacing the system fan. . . . . . . . .
73
Replacing the thermal module . . . . . . .
75
© Copyright Lenovo 2013, 2015
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Summary of Contents for ThinkCentre M73
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