BIOS Setting: F2 or F12
Boot Menu: F12
Secure Boot: disable secure boot. "Secure Boot Enable" "Secure Boot Enable: Disabled".General: enable legacy option. "Advanced Boot Options" "Advanced Boot Options: Enable Legacy Option ROMs".General: enable the legacy. "Boot Sequence" "Boot List Option: Legacy".General: check hardware information. "Model", "System Information" 'System Information: "Memory Installed", "Processor Type", "Primary Hard Drive"'.General: restore settings. "Restore Settings".General: check battery information. "Battery Information" "Battery Information: "Charging|Discharging|Idel", "Health: Excellent|normal|good", "AC Adapter=xxW".General: change the date. "Date/Time" "Date/Time: [mm/dd/yy]".Save and Exit: save and exit, and then enter BIOS Setup again. "Exit".General: change the boot sequence. "Boot Sequence" "Boot Sequence: Internal HDD Internal HDD ".System Configuration: change the SATA operation. "SATA Operation" "SATA Operation: AHCI".System Configuration: disable latitude ON reader, just for laptop with first-generation Core CPU of Intel and previous, or an AMD laptop of the same era. "Latitude ON Reader" "Latitude ON Reader: Enable Latitude ON Reader".POST Behavior: disable the adapter warnings. "Adapter Warnings" "Adapter Warnings: Enable Adapter Warnings".System Logs: clear logs. '"BIOS Events", "Thermal Events", "Power Events"' '"BIOS Events", "Thermal Events", "Power Events": "Clear log"'.Save and Exit:save and exit. "Exit".General: check hardware information. "Model", "System Information" 'System Information: "Memory Installed", "Processor Type", "Primary Hard Drive"'.General: enable the UEFI. "Boot Sequence" "Boot List Option: UEFI".General: disable legacy option. "Advanced Boot Options" "Advanced Boot Options: Enable Legacy Option ROMs".General: restore settings. "Restore Settings".General: check battery information. "Battery Information" "Battery Information: "Charging|Discharging|Idel", "Health: Excellent|normal|good", "AC Adapter=xxW".General: change the date. "Date/Time" "Date/Time: [mm/dd/yy]".Save and Exit: save and exit, and then enter BIOS Setup again. "Exit".General: change the boot sequence. "Boot Sequence" "Boot Sequence: Internal HDD Internal HDD ".System Configuration: change the SATA operation. "SATA Operation" "SATA Operation: AHCI".System Configuration: disable latitude ON reader, just for laptop with first-generation Core CPU of Intel and previous, or an AMD laptop of the same era. "Latitude ON Reader" "Latitude ON Reader: Enable Latitude ON Reader".Secure Boot: enable secure boot. "Secure Boot Enable" "Secure Boot Enable: Enabled".POST Behavior: disable the adapter warnings. "Adapter Warnings" "Adapter Warnings: Enable Adapter Warnings".System Logs: clear logs. '"BIOS Events", "Thermal Events", "Power Events"' '"BIOS Events", "Thermal Events", "Power Events": "Clear log"'.Save and Exit:save and exit. "Exit".
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