Dell Latitude 7220EX Rugged Extreme Tablet Service Manual - Page 25

System setup, Select external USB device, Once the file is selected

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4. Select external USB device 5. Once the file is selected, Double click the flash target file, then press submit . System setup 25

Section	Page
Latitude 7220EX Rugged Extreme Tablet Service Manual	3
Working on your tablet	5
Safety instructions	5
Before working inside the tablet	5
Safety precautions	6
Electrostatic discharge—ESD protection	6
ESD field service kit	7
After working inside the tablet	7
Major components of the tablet	9
System setup	11
Boot menu	11
Navigation keys	11
Boot Sequence	12
System setup options	12
General options	12
System information	13
Video	15
Security	15
Secure boot	16
Intel Software Guard Extensions	17
Performance	17
Power management	18
POST behavior	19
Manageability	20
Virtualization support	20
Wireless	21
Maintenance screen	21
System logs	21
SupportAssist System Resolution	22
About	22
Updating the BIOS in Windows	22
Updating BIOS on systems with BitLocker enabled	23
Updating your system BIOS using a USB flash drive	23
Updating the Dell BIOS in Linux and Ubuntu environments	24
Flashing the BIOS from the F12 One-Time boot menu	24
System and setup password	26
Assigning a system setup password	27
Deleting or changing an existing system setup password	27
Troubleshooting	28
Enhanced Pre-Boot System Assessment (ePSA) diagnostics	28
Running the ePSA diagnostics	28
System diagnostic lights	28
Recovering the operating system	29
WiFi power cycle	29
Getting help	31

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Select external USB device

Once the file is selected, Double click the flash target file, then press submit .

System setup