For Windows 7 32-bit, the NComputing X550 requires the legacy vSpace Server software. The driver for the PCI card is bundled inside this main software package; it is rarely available as a standalone file.
Official Source:
Note on Compatibility: NComputing has redesigned their support site over the years. If the legacy X550 link is not immediately visible, check the "Legacy Products" or "End of Life" sections. Ncomputing X550 Pci Card Driver Download Windows 7 32bit
Before you attempt to download, there is a critical issue you must be aware of. Many users searching for X550 drivers find a version labeled v1.1.2.1 (or similar) intended for Windows 10.
Do not install the Windows 10 version on Windows 7. For Windows 7 32-bit, the NComputing X550 requires
Once you've located the correct driver, download it to your system.
"Device Cannot Start (Code 10)" This is the most common error for the X550. It usually happens for two reasons: Once you've located the correct driver, download it
"This device is not configured correctly (Code 1)" Go to Device Manager > Right-click the NComputing device > Update Driver Software > Browse my computer > Let me pick from a list. Select the NComputing X550 driver manually from the list.