Dell XPS 15 9520 Service Manual - Page 58
Table 4. System setup options-Boot options menu continued
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Table 4. System setup options-Boot options menu (continued) Boot options Secure Digital (SD) Card Boot Enable Secure Digital (SD) Card Boot Enables or disables Secure Digital (SD) Card Boot Default: ON Secure Boot Enables or disables Secure Boot Default: OFF Expert Key Management Allows databases to be manipulated Table 5. System setup options-Integrated Devices Integrated Devices Date/Time Date Time Camera Enable camera Sets the computer date in MM/DD/YYYY format. Changes to the date take effect immediately. Sets the computer time in HH/MM/SS 24-hour format. You can switch between 12-hour and 24-hour clock. Changes to the time take effect immediately. Enables or disables camera Default: CHECKED Enable Audio Enable Audio Enables or disables all integrated audio controller. Default: ON Enable Microphone Enables or disables microphone. By default, Enable Microphone is selected. Enable Internal Speaker Enables or disables internal speaker. By default, Enable Internal Speaker is selected. USB/Thunderbolt Configuration USB/Thunderbolt Configuration Enables or disables booting from USB mass storage devices such as external hard drive, optical drive, and USB drive. By default, Enable USB Boot Support is selected. By default, Enable External USB Ports is selected. Enable Thunderbolt Technology Support Enables or disables Thunderbolt Technology Support. Default: ON Enable Thunderbolt Boot Support Enables or disables Thunderbolt Boot Support. Default: OFF EnableThunderbolt (and PCIe behind TBT) pre-boot modules Enables or disables to allow or disallow PCIe devices to be connected through a Thunderbolt adapter during pre-boot. Default: OFF Disable USB4 PCIE Tunneling Disable USB4 PCIE Tunneling Enables or disables USB4 PCIe Tunneling. Default: OFF Video/Power only on Type-C Ports Limits TYpe-C functionality to video or power only 58 System setup