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Dell Wyse ThinOS Version 8.6 Administrator’s Guide

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Enable automatic sleep

To enable the thin client to automatically enter sleep mode, do the following:
  1. From the desktop menu, click System Setup, and then click System Preferences.
  2. Click the General tab.
    NOTE: On the Wyse 5470 Thin Client, you must select either Battery or plugged in based on the power supply. If you using the Wyse 5470 All-in-One Thin Client, you can select only plugged in.
  3. From the Screensaver drop-down list, select the Turn Off Screen option.
  4. From the After Turn Off screen drop-down list, select the Sleep option.
  5. From the Timer drop-down list, select the idle time after which you need the thin client to enter sleep mode.
    NOTE: The 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. You can change the Timer based on your preference.
  6. Click OK.
Sleep mode timer starts after screen is turned off by the screensaver. The device automatically enters sleep mode when the ThinOS client is left idle for the specified idle time.
NOTE: The screen flashes for one second before automatically entering the sleep mode

The thin client takes less than 5 seconds to resume from sleep mode. To resume the thin client from the sleep mode, perform any of the following actions:

  • Press the power button.
  • Click the USB mouse or move the wireless USB mouse.
    NOTE: By default, this feature is disabled. To enable the feature:
    • On the Wyse 5470 Thin Client, connect the AC adapter to the thin client, and use INI parameter wakeonusb=yes.
    • On the Wyse 5470 All-in-One Thin Client, use INI parameter wakeonusb=yes.
  • Press any key on the USB keyboard.
    NOTE: By default, this feature is disabled. To enable the feature:
    • On the Wyse 5470 Thin Client, connect the AC adapter to the thin client, and use INI parameter wakeonusb=yes.
    • On the Wyse 5470 All-in-One Thin Client, use the INI parameter wakeonusb=yes.
  • Press any key on the integrated keyboard. This option is applicable only to the Wyse 5470 Thin Client.
  • Use the Wake on LAN feature to wake up from the sleep mode.
    NOTE: On the Wyse 5470 Thin Client, you must connect the AC adapter to the thin client.

On the Wyse 5470 Thin Client, when you resume the system from the sleep mode, the system is first turned off and then turned on to load the ThinOS operating system (cold reboot). This behavior is observed in the following scenarios:

  • If the system has entered the 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 WD 19 is plugged in or out, and if there is a display attached to the docking station.

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