Lenovo 9134, 9136, 9127, 9129, 9120 manual Handling static-sensitive devices

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Handling static-sensitive devices

Do not open the static-protective package containing the new part until the defective part has been removed from the computer and you are ready to install the new part. Static electricity, although harmless to you, can seriously damage computer components and parts.

When you handle parts and other computer components, take these precautions to avoid static-electricity damage:

vLimit your movement. Movement can cause static electricity to build up around you.

vAlways handle parts and other computer components carefully. Handle adapters, memory modules, system boards, and microprocessors by the edges. Never touch any exposed circuitry.

vPrevent others from touching the parts and other computer components.

vBefore you replace a new part, touch the static-protective package containing the part to a metal expansion-slot cover or other unpainted metal surface on the computer for at least two seconds. This reduces static electricity in the package and your body.

vWhen possible, remove the new part from the static-protective packaging, and install it directly in the computer without setting the part down. When this is not possible, place the static-protective package that the part came in on a smooth, level surface and place the part on it.

vDo not place the part on the computer cover or other metal surface.

4Hardware Installation and Replacement Guide

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Contents ThinkCentre Hardware Installation and Replacement Guide Page ThinkCentre Hardware Installation and Replacement Guide Page Contents Iv Hardware Installation and Replacement Guide Figures Vi Hardware Installation and Replacement Guide Important safety information Hardware Installation and Replacement Guide Overview Additional information resourcesHandling static-sensitive devices Controls and connectors LocationsLocating connectors on the rear of your computer Connector locationsConnector Description Locating components Component locationsIdentifying parts on the system board Shows the location of parts on the system boardHardware Installation and Replacement Guide Installing options and replacing hardware Installing external optionsRemoving the cover Removing and replacing the front bezel Removing the computer coverRemoving the front bezel Installing internal options Installing memoryInstalling PCI adapters What to do nextOpening the adapter latch Closing the adapter latch Installing internal drives Drive specificationsInstalling a drive in bay 1 or bay Locating the spare retainer bracket Connecting drives Connecting a parallel ATA driveConnecting a serial ATA drive Replacing the battery Removing the batteryReplacing the power supply assembly Removing the power supply screwsReplacing the heat sink Removing the heat sinkInstalling the new heat sink Replacing a hard disk driveRemoving the hard disk drive Installing the hard disk drive into bracket Installing the hard disk drive and bracket Replacing an optical driveRemoving the optical drive Replacing the diskette drive Removing the diskette driveReplacing a memory module Retainer bracket for diskette driveInstalling the new memory module Replacing a PCI adapterRemoving the PCI adapter Install the new adapter into the same adapter connector Replacing the front fan assembly Replacing the rear fan assembly Pull the rear fan assembly out of the chassis Replacing the rear fan assembly Replacing the keyboardLocate the keyboard connector. See Figure Mouse connectors, standard and USB Replacing the mouseHardware Installation and Replacement Guide Completing the parts replacement Replacing the computer coverObtaining device drivers Security features Integrated cable lockPassword protection Erasing a lost or forgotten password clearing CmosPadlock Security features Hardware Installation and Replacement Guide Appendix. Notices Television output notice TrademarksIndex CRUPage Page Part Number 43C4834
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