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 Latitude E6220 System BIOS
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Fixes & Enhancements
- Addressed long boot time with encrypted hard drive.
- Addressed OROM keyboard Access can't keep the setting of one time enable.
- Enhanced BIOS protection.
Enhancments
- Updated to the MOB_P_33 version of the Intel microcode patch.
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Importance
RecommendedBy downloading, you accept the terms of the Dell Software License Agreement.
1. Please note that if the A01 or before A01 BIOS is currently installed on your system
you must first update to A02 BIOS and then flash to the latest A-rev BIOS.
A02 link: http://www.dell.com/support/drivers/us/en/04/DriverDetails?driverId=9207V
2. Please note that if the A02 or A03 BIOS is currently installed on your system
you must first update to A04 BIOS and then flash to the latest A-rev BIOS.
A04 link: http://www.dell.com/support/drivers/us/en/04/DriverDetails?driverId=64F9R
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.
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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