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 L400 System BIOS, v. Q3F01, A05
InstalledThis file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
Latitude L400 FlashBIOS Version A05
Recommended
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Fixes & Enhancements
Enhancements in A05:
1.Allow HDD Master password to be collaterally checked on every password prompt.
Fixes:
1.corrected Keyboard description under WinNT4. 2.Fixed "OFF" function for Resume On Modem Ring setting in BIOS. 3.Corrected Power Management functions in MS-DOS. 4.Added PXE boot.
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.
File Format:One or more self extracting disk images inside of a self extracting zip
File Name:L400_A5.exe
File Size:727 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file contains a compressed (or zipped) set of files. Download the file to a folder on your hard drive, then double-click it to unzip the set of files. Follow the instructions to complete the installation.
To ensure the integrity of your download, please verify the checksum value.
File Format:Flash BIOS executable
File Name:L400A5.EXE
File Size:407.35 KB
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.
1. Click Download Now, to download the file. 2. When the File Download window appears, click Save (Windows XP users will click Save) this program to disk and click OK. The Save In: window appears. 3. From the Save In: field, click the down arrow then click to select Desktop and click Save. The file will download to your desktop. 4. If the Download Complete window appears, click Close. The file icon appears on your desktop.
Hard Drive Floppy Disk Creation
1. Get 1 blank, formatted floppy disks. 2. Double-click the new icon (it looks like a floppy diskette) on the desktop. The Self-Extractor window appears. 3. Click Setup. An black MS-DOS window appears with a message indicating that you need 1 floppy diskettes. 4. Press the [ENTER] key. A message appears prompting you to insert a blank floppy diskette. 5. Insert a floppy disk into the floppy disk drive. 6. Press the [ENTER] key. A message appears indicating that all data on the disk will be erased. 7. Press the [y] key and then press the [ENTER] key. The files are copied to the floppy diskette. If the procedure requires more than one diskette, repeat steps 5 – 7 until you reach the end of the diskette set. 8. After all the files have been copied to the last floppy disk, press the [ENTER] key and the MS-DOS window closes.
Install
1. Insert the first (or the only) disk of the set into the Floppy drive. 2. Click Start, click Shutdown, click Restart, and then click OK. Windows XP Users need only click restart. 3. Follow the on-screen instructions.
Default Instructions for L400A5.EXE:
Download this BIOS executable to a system formatted blank disk. Reboot the system with this disk in the A: drive to flash the system BIOS. Once flash is done, eject the disk and reboot the system.
Need help with BIOS issues?
Find a solution in Dell's BIOS troubleshooting guide