Dell Latitude 7480 User Manual

Troubleshooting
Topics:
• Enhanced Pre-Boot System Assessment — ePSA diagnostics
Enhanced Pre-Boot System Assessment — ePSA
diagnostics
The ePSA diagnostics (also known as system diagnostics) performs a complete check of your hardware. The ePSA is embedded
with the BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular
devices or device groups allowing you to:
The ePSA diagnostics can be initiated by the FN+PWR buttons while powering on the computer.
● Run tests automatically or in an interactive mode
● Repeat tests
● Display or save test results
● Run thorough tests to introduce additional test options to provide extra information about the failed device(s)
● View status messages that inform you if tests are completed successfully
● View error messages that inform you of problems encountered during testing
NOTE:
Some tests for specific devices require user interaction. Always ensure that you are present at the computer
terminal when the diagnostic tests are performed.
Running the ePSA Diagnostics
Invoke diagnostics boot by either of the methods that are suggested below:
1. Power on the computer.
2. As the computer boots, press the F12 key when the Dell logo is displayed.
3. In the boot menu screen, use Up/Down arrow key to select the Diagnostics option and then press Enter.
NOTE:
The Enhanced Pre-boot System Assessment window displays, listing all devices detected in the computer.
The diagnostics starts running the tests on all the detected devices.
4. Press the arrow in the lower-right corner to go to the page listing.
The detected items are listed and tested.
5. To run a diagnostic test on a specific device, press Esc and click Yes to stop the diagnostic test.
6. Select the device from the left pane and click Run Tests.
7. If there are any issues, error codes are displayed.
Note the error code and contact Dell.
or
8. Shut down the computer.
9. Press and hold the Fn key, while pressing the power button, and then release both.
10. Repeat steps 3–7 above.
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Troubleshooting 83

Dell Latitude 7480 Specifications

General

Color	gray
Date of Release	2021
Optical Drive	none
OS	windows 10 pro
Numeric Keypad	no
Touch Screen	no
Screen Size	14 inches
Screen Resolution	1920 x 1080 (full hd)
Processor Brand	intel
Processor Model	intel 6th generation core i5
Processor Model Number	6300u
CPU Base Clock Frequency	2.4 gigahertz
CPU Cores	2-core (dual-core)
CPU Cooling System	air
Storage Type	ssd
Storage Capacity	512 gigabytes
SSD Capacity	512 gigabytes
SSD Interface	sata
Type of Memory	ddr4
System Memory	16 gigabytes
System Memory Speed	2133 megahertz
Number Of Memory Slots	2
System Memory Expansion	32 gigabytes
GPU	intel hd graphics 620
GPU Brand	intel
Graphics Type	integrated
Front Facing Camera	yes
Front Facing Camera Resolution	0.92 megapixels
Front Facing Camera Video Resolution	720p
Audio Type	four-channel high-definition audio
Speakers Type	stereo speakers
Built In Microphone	yes
Backlit Keyboard	yes
Security	cable lock slot, smartcard reader
Wireless Connectivity	bluetooth, wi-fi
HDMI Outputs	1
USB Ports	3 x usb-a 3.0, 1 x usb-c 3.0
Number of USB Ports	4
Ethernet Ports	1
Wireless Networking Standard	no wi-fi standard
Headphones Output	yes
Battery Type	lithium-ion

Weight and Dimensions

Depth	8.7 inches
Height	0.7 inches
Width	13 inches
Net Weight	3 pounds