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 AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
XPS 13 9343 A02 BIOS
To view all drivers for your XPS 13 9343, go to Drivers and downloads.
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9343_BIOS_Rev_A02.exe | 8.6 MB
Enter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.

File Format: CPG BIOS Executable for Windows/DOS
File Name: 9343_BIOS_Rev_A02.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:
fbccab947160f4b63683de49ae276ff1
SHA1:
330a26333193a7d768746b6199a87465b403c9d5
SHA-256:
dd014b841e6b5612f93aff1f3400ffb8deb6a41346f183b3481bc4ee5035b6c6

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

1. Update Fan management
2. Update Intel CPU microcode
Read More

Version

A02, A02

Release date

22 Mar 2015

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.

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.

Drivers help and tutorials