Lenovo 8099, 8160, 8155 manual Replacing hardware

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4.While holding the rear of the computer chassis down, pull upward on the handle provided to remove the PCI riser assembly and any adapters that are currently installed.

5.Disconnect the cables connected to the system board. See “Identifying parts on the system board” on page 4.

Important

Note the cable routing. It is important to route the cables the same way after you install the new system board.

6.Using the two blue handles provided, lift the system board assembly out of the computer.

Chapter 2. Replacing hardware 9

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Contents Page Page Page Page Contents Iv Hardware Replacement Guide Overview Handling static-sensitive devices Tools requiredLocating components LocationsHard disk drive activity indicator 6 Microphone connector Locating connectors on the rear of your computer Identifying parts on the system board Opening the cover Replacing hardwareReplacing the power supply Replacing hardware Replacing the system board assembly Replacing hardware Hardware Replacement Guide Replacing hardware Replacing the microprocessor Replacing hardware Hardware Replacement Guide Replacing hardware Hardware Replacement Guide Replacing a memory module Hardware Replacement Guide Replacing an adapter Hardware Replacement Guide Replacing a hard disk drive Hardware Replacement Guide Replacing an optical drive Hardware Replacement Guide Replacing the diskette drive Replacing the mouse Replacing the keyboardReplacing the internal speaker Completing the CRU replacement Updating flashing Bios from a diskette or CD-ROM Hardware Replacement Guide Appendix. Notices Trademarks Television output noticePage Part Number 39J8231