Firstly, before removing case, you must switch off power and pull out the plug. This is a good principle which will prevent you from mistakes. Most of Slot 1 motherboard systems use ATX form factor for power. If you only switch off power without pulling out plug, some electric current of your system will be still running. Most Slot 1 systems have many new added functions for power management, such as Wake on LAN, Power on by Ring, Power on Alarm¡­etc. To keep these functions working, motherboard must keep electric current. Hence, before you pull out plug, please avoid screws dropping on the motherboard to prevent from short circuit problem and from system damages.

As long as you make sure plug is pulled out before removing case cover, you don't have to worry about what has been mentioned above. Upgrading is very easy. After all, the promise of easy install is part of upgrade's appeal.

Next, please remove all of the connected peripherals and put your system on a stable table instead of uninstalling your system on the floor. Please keep good lighting when uninstalling.

You can open the case cover according to your manual. General cases have 4~6 big screws fixed on the mounting holes of the case back. After you remove screws, pull out the case cover backwards and lift it up. Then you can open the case cover.

Note: You better prepare a small box to put the screws and other components while open the case cover. You will not lose any of parts when you re-install your system.