Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.

Dell XPS 13 9343 System BIOS

Restart required
XPS 13 9343 A01 BIOS
Recommended

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Fixes & Enhancements

1. Update CPU Microcode 0x306D4 to Rev 0x18.
2. Update ePSA to4236.24.
Read More

Version

A01, A01

Release date

25 Feb 2015

Download Type

System BIOS

Category

BIOS

Importance

Optional
Dell Technologies recommends reviewing this update to determine if it applies to your system. The update contains changes that impact only certain configurations or provides new features that may or may not apply to your environment.
Available formats

File Format: CPG BIOS Executable for Windows/DOS
File Name: 9343_A01.exe
File Size: 8.6 MB
Format Description:
This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.
MD5:
131705c5d82ba2bcb0d0984db6da8707
SHA1:
24072044f58eadb6f27bb8b6d8dc287f7afd267c
SHA-256:
0a877d3fedce731c5ef326fc72d665087c5e2013fa08772113450da0b602a1fb

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

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Download file to Desktop
The file 9343_BIOS_Rev_XXX.exe is using the Universal (Windows/DOS) format and
is designed to be directly executed from Windows environment.
1. Click Download now. The File Download window appears.
2. Click the Save button. The Save As window appears.
3. Select Desktop using the drop-down menu to the right of Save in.
4. Click the Save button. A progress meter moves as the download is completed.
5. If necessary, click X in the upper right-hand corner of the Download Progress
Window to close it upon completion.

NOTE: Shut down all other applications prior to running the BIOS update utility. The
update utility reboots your system in order to get the new BIOS loaded.
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Run the BIOS update utility from Windows environment
1. Double click the Icon on your desktop labeled 9343_BIOS_Rev_XXX.exe. the Dell
BIOS Flash window appears.
2. Click the Continue button. The message Pressing OK will close all applications, shut
down Windows, Flash the BIOS, then reboot appears.
3. Click the OK button. The system will restart and the BIOS Flash will be completed.

Run the BIOS update utility from DOS environment (Non-Windows users)
NOTE: You will need to provide a bootable DOS diskette. This executable file does not
create the DOS system files.
1. Copy the file 9343_BIOS_Rev_XXX.exe to a bootable USB key.
2. Boot from the USB key to the DOS prompt.
3. Run the file by typing Y:\ 9343_BIOS_Rev_XXX.exe (where Y is the drive letter
where the executable is located).
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Note: Please make sure you suspend BitLocker encryption before updating BIOS on a
BitLocker enable system. If you doesn't enable BitLocker on your system you can
ignore it.

Reboot will be required

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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