Samsung PL43E400U1F Service Manual

4. Troubleshooting4.4. Software UpgradeSamsung may offer upgrades for the TV’s firmware in the future.These upgrades can be performed via the TV when it is connected to the Internet, or by downloading the new firmwarefrom samsung.com to a USB memory device.• Alternative Software (Backup) shows The previous version that will be replaced.• Software is represented as ‘Year/Month/Day_Version’.The more recent the date, the newer the software version.Installing the latest version is recommended.■ By USBInsert a USB drive containing the firmware upgrade downloaded from samsung.com into the TV. Please be careful to notdisconnect the power or remove the USB drive while upgrades are being applied.The TV will turn off and turn on automatically after completing the firmware upgrade. Please check the firmware versionafter the upgrades are complete (the new version will have a higher number than the older version).When software is upgraded, video and audio settings you have made will return to their default (factory) settings. Werecommend you write down your settings so that you can easily reset them after the upgrade.4-43 Copyright© 1995-2012 SAMSUNG. All rights reserved.