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 E6420 System BIOS, Latitude E6420 ATG System BIOS, A05
OTOMATİK OLARAK YÜKLENDİ Bu dosya son güncellemenin bir parçası olarak otomatik olarak yüklendi. Herhangi bir sorun yaşıyorsanız, manuel olarak indirip yeniden yükleyebilirsiniz.Sisteminize en uygun indirmeyi bulun
Sisteminize yönelik en son sürücü bilgilerini görüntülemek için lütfen ürün ayrıntılarınızı girinDestek kaynaklarında ara
Dell Servis Etiketinizi veya modelinizi girin
Ürününüzü aramak mı istiyorsunuz? Bir ürün tanımlayıcısı girin. Nasıl yapılacağını göster
Bu sürücü, seçilen ürün için geçerli değildir. Ürün ayrıntılarınızı yeniden girmek için başka bir ürün seçin veya farklı bir ürüne yönelik tüm sürücüleri görüntülemek için Ürün Desteği sayfasını ziyaret edin.
Daha fazla güncelleme bulun. SupportAssist'i kullanarak aygıtınız için en son sürücü güncellemelerini bulun.
Fixes & Enhancements
2. Additional vPro support. Added DASH ‘PLDM for BIOS Control and Configuration?
3. Updated the Password Bypass feature.
4. Fixed issue where the system would not reboot the first time after disabling the Integrated NIC in Setup.
5. Addressed issues with the 'Auto-On Time' Setup field.
6. Fixed issue where a UEFI OS install would fail with greater than 8GB of memory.
7. Addressed intermittent boot issues in ATA mode.
8. Fixed issue in ATA mode where unaligned memory accesses would fail.
9. Fixed issue where the BIOS would reboot instead of flashing when the /S parameter was used with the flash executable.
10. Fixed issue where the error log data from the previous POST would show up if you shut down the machine at the F1/F2 prompt.
11. Fixed issue where the IDT audio device would not appear in device manager when running a UEFI OS.
12. Updated to the MOB_P_08 version of the Intel microcode patch.
13. Updated to the 1.3.72 version of the Intel PXE OROM.
14. Updated to the 4208 version of ePSA diagnostics.
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Önerilenİndirdiğinizde, Dell Software Lisans Sözleşmesi’nin koşullarını kabul etmiş olursunuz.
- Download file to Desktop
- Use one of the methods below to flash the Bios.
- Run the BIOS update utility from Windows environment
- Run the BIOS update utility from DOS environment (Non-Windows users)
Download file to Desktop
The file E6420A05.exe is using the Universal (Windows/ DOS) format and is designed to be directly executed from Windows environment.
- 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.
NOTE: Shut down all other applications prior to running the BIOS update utility. The update utility reboots your system in order to get the new BIOS loaded.
Run the BIOS update utility from Windows environment
- Double click the Icon on your desktop labeled E6420A05.exe.
The Dell BIOS Flash window appears - Click the Continue button.
The message Pressing OK will close all applications, shut down Windows, Flash the BIOS, then reboot. appears. - Click the OK button.
The system will restart and the BIOS Flash will be completed.
Run the BIOS update utility from DOS environment (Non-Windows users)
NOTE: You will need to provide a bootable DOS diskette. This executable file does not create the DOS system files.
- Copy the file E6420A05.exe to a bootable floppy.
- Boot from the floppy to the DOS prompt.
- Run the file by typing Y:\E6420A05.exe (where y is the drive letter where the executable is located).