Manuals / Lenovo / Computer Equipment / Laptop

Lenovo 9387, 6490, 9635, 9637, 9277, 9269, 9631, 9283, 9287, 9265, 9383, 9379, 9648, 9279 Removing the cover

Models: 8705 9646 9279 9635 8995 9648 9287 6490 8985 9387 8973 9269 8983 8991 9383 8975 9389 9283 8701 8717 9694 8979 9631 9277 9379 9265 9637 8700

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Page 40

Removing the cover

Important

Read “Important safety information” on page v“Important safety information” on page v and “Handling static-sensitive devices” on page 16 before removing the computer cover.

To remove the computer cover:

1.Remove any media (diskettes, CDs, or tapes) from the drives, shut down your operating system, and turn off all attached devices and the computer.

2.Unplug all power cords from electrical outlets.

3.Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer.

4.Remove any locking devices that secure the computer cover.

5.If the cover is secured by thumbscrews, remove them.

6.Press the cover-release button on the side of the cover and slide the computer cover to the rear to remove.

20User Guide

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Lenovo 9387, 6490, 9635, 9637, 9277, 9269, 9631, 9283, 9287, 9265, 9383, 9379, 9648, 9279, 9389, 9646, 9694, 8995, 8991 Removing the cover

Contents

User Guide Page User Guide Page Contents Troubleshooting Important safety information Conditions that require immediate action General safety guidelines Service and upgrades Power cords and power adapters Static electricity prevention Voltage-selection switch Extension cords and related devices Plugs and outletsExternal devices Batteries Heat and product ventilation Electrical current safety information Operating environment Modem safety information Lithium battery noticeTo connect To disconnect Products with television tuner options installed Power supply statementLaser compliance statement Example of antenna grounding Proper grounding for the cable Cleaning and maintenance Data safetyUsing headphones or earphones Additional safety information Introduction Xviii User Guide Arranging your workspace Comfort Air circulation Glare and lightingElectrical outlets and cable lengths Setting up your computer Connecting your computer User Guide Setting up your computer User Guide 1394 Turning on power Finishing the software installation Installing other operating systems Completing important tasksUpdating your operating system Updating your antivirus software User Guide Installing options Features Video subsystem Operating systems preinstalled varies by model type Specifications DimensionsWeight Environment Available options Tools required Installing external options Handling static-sensitive devices Locating the connectors on the front of your computer Locating the connectors on the rear of your computer Connector Description Obtaining device drivers Removing the cover Locating components Identifying parts on the system board Installing options User Guide Installing memory What to do next Installing adapters What to do next Installing internal drives Drive specifications Installing options Installing a drive in bay 1 or bay Installing options Connecting drives Connecting the first optical drive Connecting a serial ATA hard disk drive Installing security features Integrated cable lock Changing the battery Password protectionPadlock Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Recovering software Creating and using the Product Recovery disc Performing backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media Creating and using a Recovery Repair diskette To create rescue media, do the following Recovering or installing device drivers Setting a rescue device in the startup sequence Solving recovery problems User Guide Using the Setup Utility Starting the Setup Utility programViewing and changing settings Using passwords User Password Administrator PasswordSetting, changing, and deleting a password Using Security Profile by Device Selecting a temporary startup device Selecting a startup deviceChanging the startup device sequence Advanced settings Exiting from the Setup Utility program Updating flashing Bios from a diskette Using system programsUpdating system programs User Guide Basic troubleshooting Troubleshooting and diagnosticsSymptom Action Diagnostic programs PC-Doctor for Windows PC-Doctor for DOS Running diagnostics from the CD or diskettes Cleaning the mouse PC-Doctor for Windows PEOptical mouse Non-optical mouse 1 Retainer ring 2 Ball 3 Plastic rollers 4 Ball cage Getting information, help, and service Information resourcesOnline Books folder ThinkVantage Productivity Center Safety and warranty Access HelpHelp and service Using the documentation and diagnostic programs Calling for service Using other services Purchasing additional services Appendix A. Manual modem commands Basic AT commands Low speaker volume Set Pulse dial as defaultSet Tone Dial as default Internal speaker on until carrier detected Extended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 1 commands Fax Class 2 commands Voice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Television output notice Trademarks Index Page Page Part Number