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Dell Wyse ThinOS Version 8.6 and ThinOS Lite 2.6 Operating System Release Notes

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Limitations

  • DP (HDMI/Type-C) audio limitations:
    • It is disabled by default and has to be enabled in the Peripherals window to use.
    • DP or HDMI or Type-C audio displays as DP audio on Wyse 5470 Thin Client.
    • It does not support hot plug, it should be plugged into HMDI or Type-C or DP cable first and then powered on.
    • It does not support converter.
    • If there is only one DP audio supported display on Dell docking station WD19, DP audio would work. If there are two DP audio supported monitors on Dell docking station WD19, DP audio does not work.
    • It does not support display power off or power on. For the following scenarios, you need to reboot to make DP audio work:
      • Press power button to power off the display and power it on again.
      • The screen saver mode is turn off screen.
      • Click Apply in the Display Setup window.
  • Sleep mode limitations:
    • ThinOS cold reboots when resumed from sleep for 1 hour. You can change the timer by INI Sleep=yes, MaxSleepPeriod=[0-255] (does not reboot if set to 0).
    • If there is plug in or out Dell docking station WD19 and if there is a monitor plugged into Dell docking station WD19, ThinOS cold reboots when resumed from sleep mode
    • ThinOS resumes from sleep mode immediately for following scenarios:
      • If enable USB wake up, (use INI wakeonusb=yes) click the OK button to manually enter sleep mode, do not move or click the mouse or press keyboard immediately, or system resumes immediately.
      • If enable USB wake up, (use INI "wakeonusb=yes") do not press Sleep button on USB keyboard to manually enter sleep mode, or system resumes immediately.
    • Only the USB devices on root hub wakes up unit from sleep mode. USB devices on USB hub or Dell docking station WD19 cannot wake up unit from sleep mode.
    • Known issue:
      • It takes about 1 minute to enter sleep mode and resume when Dell docking station WD19 is connected.
      • If it enters sleep mode and resume with displays on Dell docking station WD19, the system may stop responding or second display may not be powered on.
  • Audio jack ports on Dell docking station WD19—There are two ports on Dell docking station WD19, however ThinOS supports only one port. The global headset port works by default. You can use INI EnableSecondaryPort=1 or EnableSecondaryPort=yes to make speaker out port work. The global headset jack port will be disabled.

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