. Choose the option to "View Contents of DOS Flash Folder" and copy only the individual files (including the file) directly to the root of the USB drive HP Support Community Restart the PC and tap to enter BIOS HP Support Community . Navigate to File > Flash System ROM , select your USB drive, and follow the prompts HP Support Community Method 2: Direct Windows Update (HPQ Flash) Right-click the application and select Run as administrator Follow the HPQ Flash Wizard prompts to confirm the update to version 1.60 Ensure the PC is connected to a
Enter BIOS (F10), change SATA mode from RAID/AHCI back to IDE (or vice versa depending on original setting). If still failing, boot from Windows installation USB and run Startup Repair. hp compaq dc5800 small form factor bios update verified