Model: Portege R500-S5002X
Operating System: (Note: might work with other versions of this os.)
Firmware Upgrade to enhance durability of the Optical Disk Drive - UJ-844 V1.01
Firmware Upgrade Instructions Close all applications. Remove any discs that are in the optical drive. Double-click the firmware update program UJ-844_TJ_V101_03_os2007207a.exe. Press the Eject button to open the disc tray and click OK. If the disc tray was open this step will be skipped. A message will be displayed asking you to confirm two items. Confirm the items and click OK. Click OK to start the firmware update. The update will take about one minute. When the update process completes click Exit. Shut down Windows. Make sure the computer is turned off completely.