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Appendix A. CRU instructionsReplacing memory - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -You can increase the amount of memory in your computer by installing adouble-data-rate three synchronous dynamic random access memory (DDR3SDRAM)-available as an option-in the memory slot of your computer. DDR3SDRAMs are available in various capacities.Note: Use only the memory types supported by your computer. If you incorrectly installoptional memory, or install an unsupported memory type, a warning beep will soundwhen you try to start the computer.To install a DDR3 SDRAM, do the following:1 Touch a metal table or a grounded metal object to reduce any staticelectricity in your body, which could damage the DDR3 SDRAM. Do nottouch the contact edge of the DDR3 SDRAM.2 Turn off the computer. Disconnect the AC adapter and all cables from thecomputer.3 Close the computer display, and turn the computer over.4 Remove the battery again.5 Remove the Optical drive/Hard disk drive/Memory/Central processingunit/Mini PCI Express Card slot compartment cover.a.Remove the screw that secures the compartment cover a.b.Remove the compartment cover b.46