Not every USB-C cable carries the same power or video. Keep one known-good 100W-rated cable taped with a colored sleeve.

Test video out the night before an ACL Live walk-in, not on Willie Nelson Boulevard.

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Cable printers lie. Buy from vendors that publish e-marker details when you need DisplayPort Alt Mode.

Retire frayed leads. Intermittent charging looks like a failing battery until you swap the wire.

At convention center demos, label your loom the night before — scavenged cables from strangers are how malware rumors start and deadlines die.