Back to Contents PageDell™ OptiPlex™ GX620User's GuideModule BayModule BayYou can install a Dell™ portable device such as a floppy drive, CD/DVD drive, or second hard drive in the module bay.Your Dell computer ships with either a CD/DVD drive or an airbay (filler blank) installed in the module bay. You can secure a device in the module bay by twomethods:l Locking switch (accessed by removing the computer cover)l Device screw (packaged separately)See "Securing a Device in the Module Bay" for more information about securing a device in your computer.Installing a Device When Your Computer Is Turned OffTo install a device in the module bay:1. If the module bay contains an airbay instead of a device, pull the airbay out of the module bay and skip to step 5. If the airbay is locked, remove thedevice screw.2. If the module bay contains a device that is locked, remove the cover and move the module locking switch to the unlocked position by raising the lockingswitch. If a device screw is used, remove the screw.3. Press the device latch release so that the latch release pops out.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.NOTICE: To prevent damage to devices, place them in a safe, dry place when they are not installed in the computer. Avoid pressing down on them orplacing heavy objects on top of them.1 module locking switch