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
Heat and product ventilation	vii
Operating environment	viii
Modem safety information	viii
Laser compliance statement	ix
Power supply statement	ix
Cleaning and maintenance	ix

Chapter 1. Product overview	1
Features	1
Specifications	5
Lenovo programs	5
Accessing Lenovo programs on the Windows
7 operating system	5
Accessing Lenovo programs on the Windows
8 or Windows 8.1 operating system	7
An introduction to Lenovo programs	7
Locations	9
Locating connectors, controls, and indicators
on the front of your computer	9
Locating connectors on the rear of your
computer	10
Locating components	12
Locating parts on the system board . . . .	13
Locating internal drives	14
Machine type and model label	15

Chapter 2. Using your computer . . .	17
Frequently asked questions	17
Navigating among screens on the Windows 8 and
Windows 8.1 operating systems	18
Navigating on Windows 8	18
Navigating on Windows 8.1	19
Accessing Control Panel on the Windows 8 or
Windows 8.1 operating system	20
Using the keyboard	21
Using Windows shortcut keys	21
Using a fingerprint reader	21
Using the wheel mouse	22
Adjusting audio	22
About your computer audio	22
Setting the volume from the desktop . . . .	22

Setting the volume from Control Panel . . .	23
Using CDs and DVDs	23
Handling and storing CD and DVD media . .	24
Playing a CD or DVD	24
Recording a CD or DVD	24

Chapter 3. You and your computer .	.	27
Accessibility and comfort	.	27
Arranging your workspace	.	27
Comfort	.	27
Glare and lighting	.	28
Air circulation	.	28
Electrical outlets and cable lengths . . . .	.	28
Registering your computer	.	29
Moving your computer to another country or
region	.	29
Voltage-selection switch	.	29
Replacement power cords	.	30

Chapter 4. Security	31
Security features	31
Locking the computer cover	32
Attaching a Kensington-style cable lock	33
Using passwords	33
BIOS passwords	33
Windows passwords	34
Configuring the fingerprint reader	34
Using and understanding firewalls	34
Protecting data against viruses	34
Chapter 5. Installing or replacing
hardware	37
Handling static-sensitive devices	37
Installing or replacing hardware	37
Installing external options	37
Removing the computer cover	38
Removing and reinstalling the front bezel . .	38
Accessing the system board components and
drives	40
Installing or replacing a memory module . . .	41
Installing or replacing a PCI Express card . .	43
Replacing the battery	45
Replacing the hard disk drive	46
Replacing the solid-state drive	48
Installing or replacing the optical drive . . .	53
Replacing the heat sink and fan assembly . .	56
Replacing the power supply assembly . . .	59

Lenovo M73 manual Contents