Lenovo 8155, 8160, 8099 manual Replacing hardware

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11.Use the vacuum pen 1 to lift the microprocessor straight up and out of the socket.

Important

Do not touch the gold contacts on the bottom of the microprocessor. Use the vacuum pen provided to remove and install the microprocessor. If you must touch the microprocessor, touch only the sides.

a.Note the orientation of the notches 1 on the microprocessor. This is important when installing the microprocessor on the new system board.

b.Do not drop anything on the socket while it is open. Keep all contacts as clean as possible.

12.On the new system board, release the lever securing the microprocessor retainer and then pivot the retainer until it is fully open.

13.Position the microprocessor so that the notches on the microprocessor are aligned with the tabs in the microprocessor socket on the new system board.

Important

To avoid damaging the microprocessor, do not tilt the microprocessor when installing it into the microprocessor socket.

Chapter 2. Replacing hardware 11

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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