39CHAPTER 4: INSTALLING ADDITIONAL OR REPLACEMENT COMPONENTSInsert the memory module into the memory module connector until the3.memory module snaps into position.If you insert the memory module correctly, the securing clips snap into thecutouts at each end of the memory module.NOTE: If the memory module is not installed properly, the computer maynot boot.Replace the side panel (see “Removing and Replacing the Side Panel“ on4.page 36).Connect the power cable, and all the external peripherals to the computer.5. Turn on the computer.6.As the computer boots, it detects the additional memory and automaticallyupdates the system configuration information. To confirm the amount of memoryinstalled in the computer:Click Start → Control Panel→ System and Security→ System.Removing and Replacing Hard Drive(s)NOTE: For maximum performance of hard drive(s), connect the SATA 3.0(6Gb/s) compatible hard drive(s) to the SATA 3.0 (6Gb/s) port(s) on thesystem board.To remove the hard drive(s):Follow the instructions in “Before You Begin” on page1. 34.Remove the side panel (see “Removing and Replacing the Side Panel“2.on page 36).Disconnect the power and data cable from the hard drive (if applicable).3.