Enabling Smart Power On - Dell OptiPlex XE3 Tower Service Manual

To enter the System Setup, press F2 immediately after a power-on or reboot.
1. In the System BIOS or System Setup screen, select System Security and press Enter.
The System Security screen is displayed.
2. In the System Security screen, verify that Password Status is Unlocked.
3. Select System Password, alter or delete the existing system password and press Enter or Tab.
4. Select Setup Password, alter or delete the existing setup password and press Enter or Tab.
NOTE: If you change the System and/or Setup password, re enter the new password when prompted. If you delete the
System and Setup password, confirm the deletion when prompted.
5. Press Esc and a message prompts you to save the changes.
6. Press Y to save the changes and exit from System Setup.
The computer restarts.

Enabling smart power on

To enable Smart Power On and the ability to wake a system from S3, S4, and S5 sleep states with a move of a mouse or press
of a key on the keyboard, perform these steps:
1. Make sure the following BIOS settings under Power Management setup option are set as mentioned here:
● USB Wake Support as Enabled.
● Deep Sleep Control as Disabled.
2. Connect a keyboard, mouse, or wireless USB dongle to the Smart Power On USB port(s) on the back of your system.
3. Disable Fast Startup in the Operating System:
a. Search and open Power options in the Start Menu.
b. Click Choose what the power buttons do on the left side of the window.
c. Under Shutdown settings, make sure Turn on fast startup is disabled.
4. Reboot your system so the changes can take effect. The next time when your system goes to sleep or is shut down, any use
of the mouse or keyboard will wake it up.
76 System setup