Dell Latitude 7400 2-in-1 Setup and specifications guide - Page 39
Deleting or changing an existing system setup password, ExpressSign-in - case
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● The password can contain the numbers 0 through 9. ● Only lower case letters are valid, upper case letters are not allowed. ● Only the following special characters are allowed: space 3. Type the system password that you entered earlier in the Confirm new password field and click OK. 4. Press Esc and a message prompts you to save the changes. 5. Press Y to save the changes. The computer reboots. Deleting or changing an existing system setup password Prerequisites Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and/or Setup password. You cannot delete or change an existing System or Setup password, if the Password Status is Locked. About this task To enter the System Setup, press F2 immediately after a power-on or reboot. Steps 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/or 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 reboot. ExpressSign-in On Dell Latitude systems, the proximity sensor is accessed when the system is ON or in the sleep mode. The valid state of the proximity sensor is Near, and Enable with external monitor. The proximity feature is automatically disabled while the laptop is in the On state, and the remaining battery of the laptop is less than 30 minutes. ExpressSign-in behavior in Near state The following table explains the Near state behavior: NOTE: The Dell ExpressSign-in user interface is the proximity sensor feature in Dell Latitude 7400 2-in-1 laptop. NOTE: In the ExpressSign-in window, click Go next to the Setup facial recognition field to start and setup the Windows Hello facial sign-in option. Table 44. Near state behavior System state ON/Standby Description Wakes up the system when the user is within the sensor Field of View (FoV) of the system during the ON state and the LED illuminates solid white light or in the standby state. System setup 39