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

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Sleep mode

The sleep mode enables the power-saving state and the thin client resumes power without loss of data.

  • ThinOS VDI broker session logs off after resuming from sleep mode for security. You must log in to the broker session again after resuming from sleep mode.
    NOTE: If you do not want to lose VDI sessions or to login to broker again, it is recommended to disable sleep mode by using the INI parameter Sleep=no.
  • The device automatically enters sleep mode when ThinOS is idle for 20 minutes. This value is the default value. You can set the idle time in the System Preferences dialog box.
    NOTE: The option Battery is for the status without AC power and plugged in is for the status with AC power.
  • To enable the thin client to automatically enter the sleep mode, set the Turn Off Screen as screen saver. Sleep mode timer starts after screen is turned off by the screen saver.
  • Before automatically entering the sleep mode the screen flashes for one second.
  • To manually enter sleep mode, open the ThinOS shut down menu, select the Sleep option, and click OK.
  • Screen Saver and After Turn Off Screen options are always the same when the thin client is on Battery or if the AC adapter is Plugged in. Only the Timer option is different.
  • To resume the thin client from sleep mode, perform any of the following steps:
    • Press the power button.
    • Click the USB mouse or move the wireless USB mouse.
      NOTE: This feature is disabled by default and requires the AC adapter to be plugged in. Use INI parameter wakeonusb=yes to enable the feature.
    • Press any key on the USB keyboard.
      NOTE: This feature is disabled by default and requires the AC adapter to be plugged in. Use INI parameter wakeonusb=yes to enable the feature.
    • Press any key on the default keyboard.
    • Use the Wake on LAN feature to wake up from sleep mode.
    NOTE: This feature requires the AC adapter to be plugged in.
  • When you resume the system from sleep mode in the following scenarios, the system is first turned off and then turned on to load the ThinOS operating system (cold reboot):
    • If the system is on sleep mode for 1 hour.
      NOTE: You can change the timer setting using the INI parameter Sleep=yes, MaxSleepPeriod={0-255}.
    • If the Dell docking station WD19 is plugged in or out with a display attached to the docking station.
Known issues
  • The thin client fails to enter sleep mode if the Bluetooth scan window is open.
  • The following scenarios resume the thin client from sleep mode if you enable the INI parameter wakeonusb=yes:
    • If you move the mouse or press the keys on the keyboard immediately after clicking the OK button to enter the sleep mode .
    • If you press the sleep button on the USB keyboard to enter the sleep mode .

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