For no display, external I/O faults, video routing issues, connector damage or interface-board failures.
No display · video output fault · I/O error · connector or interface failure
I/O and video boards are repaired with connector, output, signal-path and system display checks.
How to prepare a I/O / Video repair inquiry
A clean inquiry lets Rongtao identify the board, quote faster and decide whether repair, replacement or sourcing is the best route.
What symptoms point to I/O / Video problems?
No display · video output fault · I/O error · connector or interface failure
What photos should I send?
Send clear photos of both sides of the board, close-ups of every label, the connector area and any visible damage. Include the machine brand, model and error code or symptom.
Can Rongtao quote repair without the board in hand?
Rongtao can give an initial route from photos and symptoms, then confirms final repair scope after receiving and diagnosing the board.