Dell Latitude 7220EX, Service Manual

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Keys Navigation
Enter Selects a value in the selected field (if applicable) or follow the link in the field.
Spacebar Expands or collapses a drop-down list, if applicable.
Tab Moves to the next focus area.
Esc Moves to the previous page until you view the main screen. Pressing Esc in the main screen displays a
message that prompts you to save any unsaved changes and restarts the system.
Boot Sequence
Boot sequence enables you to bypass the System Setup–defined boot device order and boot directly to a specific device (for
example: optical drive or hard drive). During the Power-on Self-Test (POST), when the Dell logo appears, you can:
● Access System Setup by pressing F2 key
● Bring up the one-time boot menu by pressing F12 key.
The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options
are:
● Removable Drive (if available)
● STXXXX Drive
NOTE: XXXX denotes the SATA drive number.
● Optical Drive (if available)
● SATA Hard Drive (if available)
● Diagnostics
NOTE: Choosing Diagnostics , displays the ePSA diagnostics screen.
The boot sequence screen also displays the option to access the System Setup screen.
System setup options
NOTE: Depending on the tablet and its installed devices, the items listed in this section may or may not appear.
General options
Table 5. General
Option Description
System Information Displays the following information:
● System Information: Displays BIOS Version, Service Tag, Asset Tag, Ownership Tag,
Manufacture Date, Ownership Date, and the Express Service Code .
●
Memory Information: Displays Memory Installed, Memory Available, Memory Speed,
Memory Channel Mode, Memory Technology, DIMM A size, and DIMM B size
● Processor Information: Displays Processor Type, Core Count, Processor ID, Current
Clock Speed, Minimum Clock Speed, Maximum Clock Speed, Processor L2 Cache,
Processor L3 Cache, HT Capable,
and 64-Bit Technology.
● Device Information: Displays M.2 SATA-0, M.2 SATA-1, M.2 PCIe SSD-0, M.2 PCIe
SSD-1, Video Controller, Video BIOS Version, Video Memory, Panel type, Native
Resolution, Audio Controller, Wi-Fi Device, Cellular Device, and Bluetooth Device.
Battery Information Displays the battery status health and whether the AC adapter is installed.
Boot Sequence Allows you to specify the order in which the computer attempts to find an operating system
from the devices specified in this list.
Advanced Boot Options Allows you to select the UEFI Network Stack option, when in UEFI boot mode. By default,
option is selected.
70 System setup