Before you attempt an update, you need to know what you are starting with.
This is the safest method for older business desktops like the dc5800. hp compaq dc5800 small form factor bios update
⚠️ Later Windows-based updates may exist, but v01.29 is the last widely recommended stable version. Before you attempt an update, you need to
HP never officially published a complete changelog for the final revision, but based on internal corporate CTIA notes and user reports, version 1.29 (released April 14, 2010) addresses: Before you attempt an update
Select and then Restart Now . The system will reboot into a black screen to complete the installation. Troubleshooting & Errors