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A useful correction includes the full graphics-card board name, monitor model and revision, selected cable marking, expected setting and a manufacturer manual or product-page link. A result can be reproduced without your home address or a photo of a serial-number label.
Graphics card (full board model):
Monitor model and revision:
Cable marking:
Resolution and Hz you expected:
What the checker showed:
Official product or manual link:
Please share only information needed for the technical question. Do not send passwords, payment information, government ID or private purchase documents. Manufacturer support remains the appropriate place for a warranty or repair request.
Connection checker