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Dell ThinOS 9.1.4097, 9.1.4234, 9.1.5067, and 9.1.6108 Administrator’s Guide

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Before you upgrade

  • If you are using earlier versions of ThinOS 9.x, you must upgrade to ThinOS 9.1.3129 or later versions before upgrading to the latest version of ThinOS 9.x.
  • If you are using ThinOS 8.6, you must upgrade to ThinOS 8.6_807 and apply the latest BIOS updates before upgrading to latest version of ThinOS 9.x.
  • If you are using ThinOS v8.5 or earlier versions, you must first upgrade your device to ThinOS 8.6_807 and apply latest BIOS updates before installing the latest version of ThinOS 9.x.
  • Your system must be powered on and the sleep mode must be disabled on the system. If the system has entered the sleep mode, you must send the WOL command using Wyse Management Suite before using any real-time commands. To use the WOL command, ensure that the Wake-On-LAN (WOL) option is enabled in BIOS.
  • The BIOS version on Wyse 5070 Thin Client must be 1.3.1 or later before you upgrade to the latest version of ThinOS. If you upgrade to the latest version of ThinOS with older BIOS version first and then upgrade to BIOS 1.3.1 or later, the device fails to boot the ThinOS operating system.

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