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.

XPS18 System BIOS

Restart required Installed This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
XPS18 A04 BIOS for Windows 8
Recommended

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Fixes & Enhancements

Fixes:
1. After resuming from IRST (Rapid Start), the devices on the USB3.0 ports will not work.
2. i7 processor cannot enter DeepSx mode.
3. Fixed after entering S5, users have to wait for 4 seconds to power on.
4. The system does not enter S4 when waking up from S3 due to battery critical low.
Enhancements:
1. Implement diagnostic beep sound.
2. Correct the string from "chengable" to "changeable".
3. Remove the ATA mode from BIOS Setup.
4. Set HDD password to mSATA when the system only has mSATA HDD.
5. Add ePSA diagnostic support for integrated webcam.
6. Set "Windows Boot Manager" to first priority for USB key with recovery utility.
7. Change the strings to match SingleExe's behavior.
8. While the battery is "critically low", the system will pop up a message for users to press F1 or attach AC power to continue or press F2 to boot into Setup.
9. Enhance LED breathing behavior.
Read More

Version

A04, A04

Release date

08 May 2013

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.
Available formats
File Format: Flash BIOS executable
File Name: XPS 18 A04.EXE
File Size: 15.26 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format consists of a BIOS-executable file. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
To ensure the integrity of your download, please verify the checksum value.
MD5:
9bcd63718e395bd0afd6aeaee2e06e92
SHA1:
2ec9dc67c6ad2e3c9746596d6e98fce3d206437f
SHA-256:
468c5edd044f93e22e19e21de771794d663f54c17d8d825b61252855fbd93607

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

Additional details

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Dell XPS 18
1. Boot into Windows.
2. Copy A01.EXE onto your desktop.
3. Make sure the AC power is connected.
4. Execute A01.EXE by double click it.
5. Click Update when BIOS/EC Update Program dialogue box pop up.
6. Press Yes to confirm the BIOS/EC version you want to update and to start BIOS/EC Update process.
7. Make sure you don't interrupt the update process.
8. Do not turn off power or disconnect AC power source before update complete.
9. Press Yes and then system will restart after BIOS/EC update complete.

Reboot will be required

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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