How this changes a diagnosis
This is why DeviceOK does not infer charging speed, DisplayPort Alt Mode or USB data generation solely from the connector shape.
What to remember
- Physical USB-C fit does not guarantee the same feature set.
- Power Delivery, data generation and alternate-mode support must be checked separately.
- Cable capability can limit a connection even when both endpoints support the desired feature.
Related live checks
USB-C Cable Power Rating CheckCompare an entered cable wattage rating with the power you want to carry, while keeping protocol/e-marker limits explicit.
→Charger Wattage MatchCompare a device's entered power requirement with a charger's rated wattage while keeping USB-PD/PPS and voltage-profile limits explicit.
→Display Raw Bandwidth CalculatorEstimate raw uncompressed pixel data rate from resolution and refresh rate.
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