This package applies to the following systems configured with the Lite-On CD-RW/DVD combo drive:

• ThinkCentre A52 (type 8153, 8154, 8155, 8156, 8157, 8158, 8159, 8160, 8161, 8162, 8163, 8164, 8165, 8166, 8167, 8168, 8169, 8170, 8287, 8288, 8289, 8296, 8297, 8298, 8326, 8327, 8328, 8329, 8340, 8341, 8342, 8343, 8344, 8380, 8381, 8382)
• ThinkCentre A53 (type 8701, 8702, 8970, 8973, 8980, 8983, 8992, 8995, 9276, 9277, 9286, 9287, 9378, 9387, 9628, 9635)
• ThinkCentre A55 (type 8705, 8706, 8972, 8975, 8982, 8985, 8994, 9265)
• ThinkCentre A60 (type 8013, 8700, 8976, 8979, 8986, 8991, 9266, 9269, 9282, 9283, 9374, 9383, 9384, 9631, 9646, 9647, 9694, 9695)
• ThinkCentre E50 (type 8290, 8291, 8292, 8293, 8294, 8295, 8469, 8472, 8473, 8474, 8708, 8709, 8710, 8711, 8719, 8771, 8772, 8773, 8774, 8776, 8777, 8778, 8779, 8817, 8818, 8819, 9214, 9215, 9216, 9217, 9218, 9219)
• ThinkCentre E51 (type 8463, 8464, 8465, 8466, 8467, 8468, 8712, 8713, 8714, 8715)
• ThinkCentre M52 (type 8099, 8110, 8111, 8112, 8113, 8114, 8115, 8116, 8211, 8212, 8213, 8214, 8215, 9210, 9211)
• ThinkCentre M52e (type 8299, 8380)
• ThinkCentre M55e (type 9278, 9279, 9288, 9379, 9380, 9389, 9632, 9637)

1. Click the file link to download the file from the Web page.
2. When prompted, select a drive and directory in which to save the downloaded file.

1. Click Start, select Find or Search, then click Files and folders.
2. Type sohc4836v_suk5.exe in the search field, then click Find Now. This will locate the file you just downloaded.
3. Double-click the sohc4836v_suk5.exe icon.
4. Click Next.
5. Click I accept the terms in the license agreement.
6. Click Next.
7. Ensure that "Save files in folder" is set to C:\SWTOOLS\FIRMWARE\LITEON\SOHC4836V.
8. Click Next. The necessary files will be extracted to your hard drive.
9. Click Finish.

Note: The firmware upgrade program will require you to reboot your computer. Shut down all other programs and save your data before applying the upgrade.

1. Click Start, then click Run.
2. Type C:\SWTOOLS\FIRMWARE\LITEON\SOHC4836V\SUK5WIN.EXE, then click OK. The firmware upgrade utility will proceed automatically.
3. When the "Firmware update has been successfully completed" message is displayed, click OK.
4. The program will then prompt you with "Your computer needs to be rebooted". Click either Now or Later, as desired. The firmware update will not take effect until after you reboot your computer.