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Many office-pull HP 290 G4 units have BIOS passwords set by IT departments. Solution: You cannot "reset" HP BIOS passwords with a jumper like old PCs. You need to contact the previous owner or use HP's "System Management Command Line Tool" (if Windows is accessible). Otherwise, motherboard replacement is the only route.
If you will be using the USB drive repeatedly (e.g., a diagnostics tool), change the boot order permanently. hp 290 g4 microtower pc boot from usb
The HP 290 G4 BIOS interface uses a point-and-click style if you have a mouse connected, or standard keyboard navigation (Arrow keys, Enter, Esc). Many office-pull HP 290 G4 units have BIOS