Lenovo 9129, 9136, 9127, 9134, 9120 manual Locating the spare retainer bracket

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2.Remove the front bezel by releasing the three plastic tabs on the left side and pivoting the bezel outward. Carefully set the bezel to the side without disconnecting the power switch and LED assembly cable.

Note: Notice the spare retainer bracket 1 attached to the side of the upper drive cage.

Figure 12. Locating the spare retainer bracket

3.Remove the metal static shield from the drive bay using your fingers to pull it outward.

4.If you are installing a drive with accessible media, such as an optical drive, remove the plastic panel in the bezel for bay 2 by squeezing the plastic tabs that secure the panel on the inside of the bezel.

5.If you are installing any type of drive other than a serial ATA drive, make sure the drive that you are installing is set correctly as either a master or a slave device.

Note: A serial ATA drive does not need to be set as either a master or a slave device.

If you are installing a parallel ATA drive, set it as a master device. Refer to the documentation that comes with your drive for master/slave jumper information.

6.Remove the retainer bracket from the upper driver cage by sliding it downward.

20Hardware 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 external options Installing options and replacing hardwareRemoving 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 lockErasing a lost or forgotten password clearing Cmos Password protectionPadlock Security features Hardware Installation and Replacement Guide Appendix. Notices Television output notice TrademarksIndex CRUPage Page Part Number 43C4834
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