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Lenovo
7844
Manuel D’Utilisation
Lenovo 7844 Manuel D’Utilisation
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Contents
Important safety information . . . . . . v
Chapter 1. Product overview . . . . . . 1
Features .
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Specifications .
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Software overview .
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Software provided with your Windows operating
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Locations
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Locating connectors, controls, and indicators on
the front of your computer
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Locating connectors and parts on the rear of your
computer
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Locating components .
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Locating parts on the system board
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Locating internal drives .
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Chapter 2. Installing or replacing
hardware . . . . . . . . . . . . . . 13
Handling static-sensitive devices .
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Installing or replacing hardware
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Installing external options
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Removing the computer cover .
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Removing and reinstalling the front bezel .
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Accessing the system board components and
drives .
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Installing or replacing a PCI card .
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Installing or replacing a memory module
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Replacing the battery .
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Replacing the heat sink and fan assembly .
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Replacing the microprocessor .
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Replacing the power supply assembly
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Replacing the optical drive .
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Replacing the hard disk drive .
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Replacing the card reader.
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Replacing the front audio and USB assembly .
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Replacing the front fan assembly .
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Replacing the USB keyboard or mouse .
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Completing the parts replacement .
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Obtaining device drivers .
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Basic security features .
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Integrated cable lock .
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Padlock.
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Password protection
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Erasing a lost or forgotten password (clearing
CMOS) .
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Chapter 3. Recovery information
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Creating and using recovery media
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Creating recovery media .
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Using recovery media .
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Performing backup and recovery operations
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Performing a backup operation .
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Performing a recovery operation .
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Using the Rescue and Recovery workspace .
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Creating and using a rescue medium .
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Creating a rescue medium
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Using a rescue medium .
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Installing or reinstalling device drivers .
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Solving recovery problems .
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Chapter 4. Using the Setup Utility
program . . . . . . . . . . . . . . 61
Starting the Setup Utility program .
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Viewing or changing settings
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Using passwords
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Password considerations .
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Power-on password
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Administrator password .
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Setting, changing, or deleting a password .
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Enabling or disabling a device .
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Selecting a startup device.
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Selecting a temporary startup device .
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Viewing or changing the startup device sequence 64
Exiting the Setup Utility program .
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Chapter 5. Updating system programs
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Using system programs .
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Updating (flashing) the BIOS from a disc
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Updating (flashing) the BIOS from your operating
system .
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Recovering from a POST and BIOS update failure
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Chapter 6. Troubleshooting and
diagnostic programs . . . . . . . . . 69
Basic troubleshooting .
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Diagnostic programs .
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Lenovo ThinkVantage Toolbox .
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PC-Doctor for Rescue and Recovery .
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PC-Doctor for DOS .
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Cleaning an optical mouse .
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Chapter 7. Getting information, help,
and service . . . . . . . . . . . . . 73
Information resources .
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Online Books folder
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Lenovo ThinkVantage Tools .
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ThinkVantage Productivity Center .
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Lenovo Welcome
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Access Help .
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Safety and warranty
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Lenovo Web site (http://www.lenovo.com).
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Help and service
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Using the documentation and diagnostic
programs .
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Calling for service .
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Using other services
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Purchasing additional services .
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. 77
© Copyright Lenovo 2010
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