Flashing Bios (Usb Key) - Dell Latitude 7410 Service Manual

Table 4. LED codes (continued)
Diagnostic light codes
1,6
2,1
2,2
2,3
2,4
2,5
2,6
2,7
2,8
3,1
3,2
3,3
3,4
3,5
3,6
3,7
Camera status light: Indicates whether the camera is in use.
• Solid white — Camera is in use.
• Off — Camera is not in use.
Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.
• Solid white — Caps Lock enabled.
• Off — Caps Lock disabled.

Flashing BIOS (USB key)

Steps
1. Follow the procedure from step 1 to step 7 in
2. Create a bootable USB drive. For more information see the knowledge base article
3. Copy the BIOS setup program file to the bootable USB drive.
4. Connect the bootable USB drive to the computer that needs the BIOS update.
5. Restart the computer and press F12 when the Dell logo is displayed on the screen.
6. Boot to the USB drive from the One Time Boot Menu.
7. Type the BIOS setup program filename and press Enter.
Problem description
Embedded controller failure
CPU failure
System board: BIOS or ROM (Read-Only
Memory) failure
No memory or RAM (Random-Access
Memory) detected
Memory or RAM (Random-Access Memory)
failure
Invalid memory installed
System-board or chipset error
Display failure
LCD power rail failure. Replace system board
Coinless
PCI, video card/chip failure
Recovery image not found
Recovery image found but invalid
Power-rail failure
System BIOS Flash incomplete
Management Engine (ME) error
"Flashing the
Recommended solution
Disconnect all power source (AC, battery, coin cell) and
drain flea power by pressing & holding down power
button.
Run the Intel CPU diagnostics tools, if the problem still
persists, replace the system board.
Flash latest BIOS version, If problem persists, replace the
system board
Confirm that the memory module is installed properly If
problem persists, replace the memory module
Reset the memory module If problem persists, replace the
memory module
Reset the memory module, If problem persists, replace the
memory module
Flash latest BIOS version If problem persists, replace the
system board
Flash latest BIOS version If problem persists, replace the
LCD module
Replace the system board
Main battery and adapter plug in
Replace the system board
Flash latest BIOS version If problem persists, replace the
system board
Flash latest BIOS version If problem persists, replace the
system board
Replace the system board
Replace the system board
Replace the system board
BIOS" to download the latest BIOS setup program file.
SLN143196 at www.dell.com/support.
Troubleshooting 57