Recovering The Operating System; Flashing Bios (Usb Key) - Dell Latitude 7320 Detachable Service Manual

Blinking Pattern
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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.

Recovering the operating system

When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell
SupportAssist OS Recovery.
Dell SupportAssist OS Recovery is a standalone tool that is preinstalled in all Dell computers installed with Windows 10 operating
system. It consists of tools to diagnose and troubleshoot issues that may occur before your computer boots to the operating
system. It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its
factory state.
You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their
primary operating system due to software or hardware failures.
For more information about the Dell SupportAssist OS Recovery, see Dell SupportAssist OS Recovery User's Guide at
www.dell.com/support.

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.
8. The BIOS Update Utility appears. Follow the instructions on the screen to complete the BIOS update.
84 Troubleshooting
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"Flashing the
Problem description
PCI or Video card/chip failure
BIOS recovery image not
found
BIOS recovery image found
but invalid
Power rail failure
Flash corruption detected by
SBIOS.
Timeout waiting on ME to
reply to HECI message.
BIOS" to download the latest BIOS setup program file.
SLN143196
Suggested resolution
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.
at www.dell.com/support.