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 Precision M4800 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.
Dell Precision M4800 BIOS Release
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Fixes & Enhancements

Fixes/Enhancements
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1. Improve graphic thermal control.
2. Improve optical drive support.
3. Improve GPE support of DDPST.
4. Update help text in BIOS menu.
Read More

Version

A02, A02

Release date

25 Sep 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: CPG BIOS Executable for Windows/DOS
File Name: M4800A02.exe
File Size: 7.84 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. 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:
8f07acc1d6ccd80a2212939405e0321b
SHA1:
139712618624a5a2e10dd43ab51c61e297b784e4
SHA-256:
851c30c9d3524a122a7e9697c486f4a25a0bf4c96bac82bb8ee68407a63d3fbf

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

Additional details

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Dell Precision M4800
BIOS Update Executable for Windows/DOS

Download
1. Click Download File to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.

Run the BIOS update utility from Windows environment
1. Browse to the location where you downloaded the file and double-click the new file.
2. Windows System will auto restart and update BIOS while system startup screen.
3. After BIOS update finished, system will auto reboot to take effect.

Run the BIOS update utility from DOS environment (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then Press F12 key and Select USB Storage Device and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable is located.
4. DOS System will auto restart and update BIOS while system startup screen.
5. After BIOS update finished, system will auto reboot to take effect.

Run the BIOS update utility from DOS environment if UEFI Boot Mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then go to BIOS Setup by pressing F2 and go to General > Boot Sequence > Boot List Option
3. Change UEFI to Legacy of Boot List Option.
4. Click Apply, Exit to save changes and reboot system.
5. Press F12, then Select USB Storage Device and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable is located.
7. After BIOS update finished, system will auto reboot .
8. Go to BIOS Setup by pressing F2 and go to General > Boot Sequence > Boot List Option
9. Change Legacy to UEFI Boot Option.
10. Click Apply, Exit to save changes and reboot system

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Note 1: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
Note 2: Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system.
If you don'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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