Lenovo 4223 Personal Computer User Manual


 
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
Specications . . . . . . . . . . . . . . . . 4
Software overview . . . . . . . . . . . . . . 5
Software provided by Lenovo . . . . . . . . 5
Adobe Reader . . . . . . . . . . . . . . 6
Antivirus software. . . . . . . . . . . . . 6
Locations. . . . . . . . . . . . . . . . . . 6
Locating connectors, controls, and indicators
on the front of your computer . . . . . . . . 6
Locating connectors on the rear of your
computer . . . . . . . . . . . . . . . . 8
Locating components . . . . . . . . . . . 9
Locating parts on the system board . . . . 10
Locating internal drives . . . . . . . . . 12
Machine type and model label. . . . . . . 13
Chapter 2. Using your computer . . . 15
Frequently asked questions . . . . . . . . . 15
Using the keyboard . . . . . . . . . . . . . 15
Using Windows shortcut keys . . . . . . . 15
Using the blue ThinkVantage button . . . . 16
Using the wheel mouse . . . . . . . . . . . 16
Adjusting audio . . . . . . . . . . . . . . 16
About your computer audio . . . . . . . . 16
Setting the volume from the desktop . . . . 17
Setting the volume from Control Panel . . . 17
Using CDs and DVDs . . . . . . . . . . . . 17
Handling and storing CD and DVD media . . 17
Playing a CD or DVD . . . . . . . . . . 18
Recording a CD or DVD . . . . . . . . . 18
Chapter 3. You and your computer . . 19
Accessibility and comfort . . . . . . . . . . 19
Arranging your workspace . . . . . . . . 19
Comfort . . . . . . . . . . . . . . . 19
Glare and lighting. . . . . . . . . . . . 20
Air circulation . . . . . . . . . . . . . 20
Electrical outlets and cable lengths . . . . . 20
Register your computer with Lenovo . . . . . . 21
Moving your computer to another country or
region . . . . . . . . . . . . . . . . . . 21
Replacement power cords . . . . . . . . 21
Chapter 4. Security . . . . . . . . . . 23
Security features . . . . . . . . . . . . . . 23
Locking the computer cover . . . . . . . . . 23
Installing a padlock . . . . . . . . . . . . . 24
Attaching an integrated cable lock . . . . . . . 26
Using passwords. . . . . . . . . . . . . . 26
BIOS passwords . . . . . . . . . . . . 26
Windows passwords . . . . . . . . . . 27
Using and understanding rewalls . . . . . . . 27
Protecting data against viruses . . . . . . . . 27
Chapter 5. Installing or replacing
hardware . . . . . . . . . . . . . . . 29
Handling static-sensitive devices . . . . . . . 29
Installing or replacing hardware . . . . . . . . 29
Installing external options . . . . . . . . 29
Removing the computer cover. . . . . . . 30
Removing and reinstalling the front bezel . . 31
Installing or replacing a PCI card . . . . . . 32
Installing or replacing a memory module. . . 34
Installing or replacing the optical drive . . . 37
Replacing the card reader . . . . . . . . 40
Replacing the battery . . . . . . . . . . 42
Replacing the heat sink and fan assembly . . 43
Replacing the hard disk drive fan assembly . 45
Replacing the rear fan assembly . . . . . . 46
Installing or replacing a hard disk drive . . . 48
Installing or replacing a hard disk drive
enablement module . . . . . . . . . . . 52
Replacing the front audio and USB
assembly . . . . . . . . . . . . . . . 53
Replacing the internal speaker. . . . . . . 54
Replacing the keyboard or mouse . . . . . 55
Completing the parts replacement . . . . . 56
Chapter 6. Recovery information . . . 59
© Copyright Lenovo 2012
i