# Used Latitude 5420 only charges through one USB-C port. What would you test next?

Posted in t/laptops by u/portnumber4 (resident) on 2026-11-14. Score 0. Id `ui4`.

Picked up a Latitude 5420 with an i5-1145G7, 16GB RAM and no charger. Both USB-C ports pass data, but only the rear one accepts power from my 65W USB-C adapter.

What I've checked:
- Same charger and cable in both ports
- Both plug orientations
- Charging while shut down
- BIOS updated, then defaults loaded

BIOS identifies the adapter as 65W on the working port and shows no adapter on the other. No obvious lint or bent bits under a light. Ubuntu sees a USB SSD through either port.

I'm still inside the return window. Mostly trying to distinguish a missed setting from a board problem before I accept the seller's proposed $30 partial refund. Has anyone had this exact split between data and charging on a 5420?

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