Adding and Replacing Parts 794 Ground yourself and install the new memory module:a Align the notch in the module edge connector with the tab in the connector slot.b Slide the module firmly into the slot at a 45-degree angle, and rotate the module downuntil it clicks into place. If you do not feel the click, remove the module and reinstall it.5 Replace the cover.NOTICE: If the memory module cover is difficult to close, remove the module and reinstall it. Forcing thecover to close may damage your computer.6 Insert the battery into the battery bay, or connect the AC adapter to your computer and anelectrical outlet.7 Turn on the computer.As the computer boots, it detects the additional memory and automatically updates the systemconfiguration information.To confirm the amount of memory installed in the computer, click the Start button, click Help andSupport, and then click Computer Information.Hard DriveNOTE: You need the Operating System CD to install the Microsoft® Windows® operating system. Youalso need the Drivers and Utilities CD for your computer to install the drivers and utilities on the new harddrive.CAUTION: If you remove the hard drive from the computer when the drive is hot, do not touch the metalhousing of the hard drive.CAUTION: Before working inside your computer, follow the safety instructions located in the ProductInformation Guide.NOTICE: To prevent data loss, turn off your computer before removing the hard drive. Do not remove thehard drive while the computer is on, in standby mode, or in hibernate mode.