Last updated: 2025
Operating System Compatibility: Windows XP, Windows Vista, Windows 7, Windows 8/8.1, Windows 10 (32-bit & 64-bit) File Type: Driver / Firmware Price: Free Overview The Dell Optiplex 760 is a legacy business desktop known for its reliability. However, after a clean installation of Windows, many users encounter an "Unknown Device" or "PCI Serial Port" error in the Device Manager. This usually indicates that the system is missing the driver for the Intel Management Engine (ME) Interface or the serial controller, which manages legacy COM port communication. Dell Optiplex 760 Pci Serial Port Driver Free Download