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Lenovo ThinkPad A275 User Manual page 3

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Contents
Important safety information . . . . . . v
Read this first. . . . . . . . . . . . . . . . . v
Important information about using your computer . . v
Conditions that require immediate action . . . . . . vii
Service and upgrades . . . . . . . . . . . .
Power cords and power adapters . . . . . . . . . ix
Extension cords and related devices. . . . . . . . ix
Plugs and outlets . . . . . . . . . . . . . . . x
Power supply statement . . . . . . . . . . . . x
External devices
. . . . . . . . . . . . . . . xi
General battery notice . . . . . . . . . . . . . xi
Notice for removable rechargeable battery . . . . . xi
Notice for built-in rechargeable battery. . . . . . . xii
Notice for non-rechargeable coin-cell battery . . . . xii
Heat and product ventilation . . . . . . . . . . xiii
Electrical current safety information . . . . . . . xiv
Liquid crystal display (LCD) notice . . . . . . . . xv
Using headphones or earphones . . . . . . . . . xv
Choking hazard notice . . . . . . . . . . . . . xv
Plastic bag notice . . . . . . . . . . . . . . . xv
Glass parts notice . . . . . . . . . . . . . . xvi
Chapter 1. Product overview . . . . . . 1
Computer controls, connectors, and indicators . . . 1
Front view . . . . . . . . . . . . . . . . 1
Left-side view . . . . . . . . . . . . . . . 2
Right-side view . . . . . . . . . . . . . . 3
Bottom view . . . . . . . . . . . . . . . 5
Status indicators
. . . . . . . . . . . . . 5
Important product information . . . . . . . . . . 7
Machine type and model label . . . . . . . . 7
FCC ID and IC Certification number . . . . . . 7
Labels for the Windows operating systems . . . 9
Computer features. . . . . . . . . . . . . . . 9
Computer specifications . . . . . . . . . . .
Operating environment . . . . . . . . . . . .
Lenovo programs . . . . . . . . . . . . . .
Accessing Lenovo programs . . . . . . . .
An introduction to Lenovo programs . . . . .
Chapter 2. Using your computer . . . 15
Registering your computer . . . . . . . . . .
Frequently asked questions . . . . . . . . . .
Getting help about the Windows operating
system . . . . . . . . . . . . . . . . . .
Using the multi-touch screen
Using the special keys . . . . . . . . . . . .
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Using the ThinkPad pointing device . . . . . . .
ThinkPad pointing device overview . . . . .
Using the TrackPoint pointing device. . . . .
Using the trackpad . . . . . . . . . . . .
Using the trackpad touch gestures . . . . .
Customizing the ThinkPad pointing device . .
Replacing the cap on the pointing stick . . . .
Power management . . . . . . . . . . . . .
Using the ac power adapter . . . . . . . .
Using the battery . . . . . . . . . . . .
Managing the battery power . . . . . . . .
Power-saving modes . . . . . . . . . . .
Cabled Ethernet connections . . . . . . . . .
Wireless connections
. . . . . . . . . . . .
Using the wireless-LAN connection . . . . .
Using the wireless-WAN connection . . . . .
Using the Bluetooth connection. . . . . . .
Using the Airplane mode . . . . . . . . .
Using audio features . . . . . . . . . . . . .
Using the camera . . . . . . . . . . . . . .
Using a media card or a smart card . . . . . . .
Using an external display . . . . . . . . . . .
Traveling with your computer . . . . . . . . .
Finding ThinkPad options . . . . . . . . . . .
Chapter 3. Accessibility, ergonomic,
and maintenance information . . . . . 37
Accessibility information . . . . . . . . . . .
Ergonomic information . . . . . . . . . . . .
Cleaning and maintenance . . . . . . . . . .
Chapter 4. Security . . . . . . . . . . 43
Using passwords . . . . . . . . . . . . . .
Passwords introduction . . . . . . . . . .
Setting, changing, or removing a password . .
Hard disk security . . . . . . . . . . . . . .
Setting the security chip . . . . . . . . . . .
Using the fingerprint reader . . . . . . . . . .
Deleting data from your storage drive . . . . . .
Using firewalls . . . . . . . . . . . . . . .
Protecting data against viruses . . . . . . . . .
Chapter 5. Advanced
configuration . . . . . . . . . . . . . . 51
Installing a new operating system . . . . . . . .
Installing a Windows 7 operating system . . .
Installing a Windows 10 operating system . . .
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