Number of amber LED flashes
Problem description
2, 5
Corrupt BIOS. Recovery image not detected or is invalid during BIOS auto-recovery
process.
2, 6
CPU configuration error or CPU failure
2, 7
RAM failure
3, 1
PCIe (e.g. GPU) card failure
3, 2
Storage/USB configuration error or failure
3, 3
No RAM detected
3, 4
System board error
3, 5
Memory configuration error, incompatible memory or invalid memory configuration
3, 6
Recovery image not detected
3, 7
Recovery image detected but invalid
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
Flashing BIOS (USB key)
1. Follow the procedure from step 1 to step 7 in "
" to download the latest BIOS setup program file.
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.
Flashing the BIOS
You may need to flash (update) the BIOS when an update is available or when you replace the system board.
Follow these steps to flash the BIOS:
1. Turn on your computer.
2. Go to
.
3. Click
Product support
, enter the Service Tag of your computer, and then click
Submit
.
NOTE:
If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model.
4. Click
Drivers & downloads
>
Find it myself
.
5. Select the operating system installed on your computer.
6. Scroll down the page and expand
BIOS
.
7. Click
Download
to download the latest version of the BIOS for your computer.
Troubleshooting
79
Summary of Contents for Inspiron 3471
Page 1: ...Inspiron 3471 Service Manual Regulatory Model D13S Regulatory Type D13S003 ...
Page 18: ...Prerequisites Remove the computer cover 18 Removing the front bezel ...
Page 20: ...Post requisites Replace the computer cover 20 Replacing the front bezel ...
Page 25: ...Prerequisites Remove the computer cover Removing the 2 5 inch hard drive 25 ...
Page 34: ...34 Removing the optical drive ...
Page 42: ...42 Removing the wireless card ...
Page 45: ...Removing the solid state drive 45 ...
Page 50: ...50 Removing the power button module ...
Page 54: ...54 Removing the power supply unit ...
Page 63: ...Removing the system board 63 ...
Page 66: ...7 Replace the computer cover 66 Replacing the system board ...
Page 77: ...Post requisites Replace the computer cover System setup 77 ...