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 C800 System BIOS, A23
AUTO 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.
Dell Latitude C800 A23 System BIOS
Recommended
Find the best download for your system
Please enter your product details to view the latest driver information for your system
Search support
Enter your Dell Service Tag or model
Want to look up your product? Enter a product identifier.Show me how
No results found.We couldn't find anything for your search. Please modify your search and try again.
This driver is not compatible
This driver is not applicable for the selected product. Choose another product to re-enter your product details for this driver or visit the Product Support page to view all drivers for a different product.
Sign in to Windows as an admin to use automatic scan. If your're already signed in as an admin and seeing this message, please reboot.Your system is managed by your IT admin and features might be limited.
Find more updates. Use SupportAssist to find all the latest driver updates for your device.
********************************************************************* ** IMPORTANT NOTES FOR THIS RELEASE **
1. Windows 2000 users with systems equipped with ATI video controllers must also download and install the A10 video driver (R54215.EXE) when upgrading to this BIOS. Failure to do so may prevent the LCD panel from to turning on when opening the lid after suspending the system by closing the lid.
2. Windows ME users must also download and install the OS Update utility for Windows ME (OSUPA00.EXE) when upgrading to this BIOS version. Failure to do so may prevent the system or peripherals from functioning properly.
The following updates were made to the A22 BIOS to create A23:
Enhancements: 1. Optimized the thermal control algorithm.
The BIOS release has been validated on the following operating systems: 1. Microsoft Windows 2000 ACPI 2. Microsoft Windows NT 4.0 SP5 3. Microsoft Windows XP
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.
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, and then run (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.
MD5:
Not available
SHA1:
Not available
SHA-256:
Not available
File Format:One or more self extracting disk images inside of a self extracting zip
File Name:C800-A23.exe
File Size:1.36 MB
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.
MD5:
Not available
SHA1:
Not available
SHA-256:
Not available
File Format:Flash BIOS executable
File Name:C800_A23.exe
File Size:345.98 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.
Custom Instructions for C800_A23.exe:
Important Information: The Non-packaged format is intended for advanced users that only require the executable and do not require a bootable self-extracting disk be created for them. All other users should download the Floppy format, which creates a bootable self-extracting disk.
Instructions: This file format consists of a BIOS executable file. To use it, download the file and copy it to a DOS-bootable diskette. With the diskette in the floppy drive, reboot the system and run the program.
Bios_Win_exe the hard drive format
Installation Instructions
The file C800_A23.TXT is using the Hard Drive format and is designed to be directly executed from Windows environments.
Click Download now. The File Download window appears.
Click the Save button. The Save As window appears.
Select Desktop using the drop-down menu to the right of Save in.
Click the Save button. A progress meter moves as the download is completed.
If necessary, click X in the upper right-hand corner of the Download Progress Window to close it upon completion.
Double click the Icon on your desktop labeled C800_A23.TXT.
The Dell Bios Txt window appears
Custom Instructions for A23-C800.exe:
Floppyless Installation (via WinZip) for A23-C800.exe
Download 1. Click the location, e.g. Americas, from which you want to download the file. 2. If the Export Compliance Disclaimer window appears, click Yes, I Accept this Agreement. 3. When the File Download window appears, click Save this program to disk and click OK. The Save In window appears. 4. From the Save In drop-down menu, click to select Desktop and then click Save. The file will download to your desktop. 5. If a Download Complete window appears, click Close. A new icon appears on your desktop.
Install 1. Double-click the new icon on the desktop labeled A23- C800.exe. 2. The Self-Extractin
Need help with BIOS issues?
Find a solution in Dell's BIOS troubleshooting and usage guide.