You need to. Release the bay eject levers; then a message appears. Make sure the LED stays green and there is no beep; then swap the device. Power off your computer; then attach the external diskette drive. Swap the device in the UltraBay II ThinkPad 770X Quick Reference and Service Information Indicator panel TrackPoint Click buttons Attach the diskette drive externally Note: Telephone jack Your Name: Company Name: Model Number: Serial Number: Company or Reseller Service: IBM Service Web Site: IBM Service Number: Parallel connector External diskette drive connector Latch PC Card slots Bay eject levers Latch with UltraBay indicator UltraBay II Some devices or configurations might not support hot plugging or unplugging. If the LED is blinking orange, do not attempt to swap the device. Function Keys Fn+ F2 Result Displays the battery power status indicator or erases it if it is displayed. (The Fuel-Gauge program must first be activated. ) Places the computer in standby mode. Places the computer in suspend mode. Changes computer display output locations. Displays computer output in XGA (full-screen) mode. If the computer is equipped with a 13. 7-inch SXGA display and used in standard VGA mode, you cannot use this function. Changes the power mode. Places the computer in hibernation mode. F3 F4 Notes: F7 Rear infrared port System-expansion connector Universal serial bus connector Battery pack Microphone/ line-in jack Headphone jack Power switch Power jack Serial connector F8 F11 F12 Copyright IBM Corp. 1998 Getting Service Always read the "Solving Computer Problems" chapter of your User's Reference before calling IBM. During the warranty period, you can get help and information from International Warranty Service (IWS) in your country. Before you call, fill out the front of this card...