Acer Veriton X490 User Guide - Page 22

English 12 3 Upgrading your computer Certain components of your computer are upgradeable, such as the memory, the hard disk, the CPU and the expansion cards. You need to observe the "Installation precautions" on page 10 when installing or removing a computer component. However, for safety purposes, we do not recommend that you perform these upgrades yourself. If you want to replace or upgrade any of these components, contact your dealer or a qualified service technician for assistance. To remove a memory DIMM Note: The memory DIMM has only one notch located toward the center of the module. 1 Remove the side panel. 2 Locate the memory DIMM socket on the mainboard. 3 Press the holding clips on both sides of the memory DIMM socket outward to release the memory DIMM (a). Gently pull the memory DIMM out of the socket (b). To install a memory DIMM 1 Locate the memory DIMM socket on the mainboard.