Greetings,
Are you using full size XD cards?
Start by removing the lens, the card and resetting the camera's setting to default. Power off, reinsert the card and power up. If the behavior persists, the body will require service.
Canon Support | Service & Repair | Canon U.S.A., Inc.
~Rick
Bay Area - CA
~R5 C (1.0.9.1) ~RF Trinity, ~RF 100 Macro, ~RF 100~400, ~RF 100~500, ~RF 200-800 +RF 1.4x TC, BG-R10, 430EX III-RT ~DxO PhotoLab Elite ~DaVinci Resolve Studio ~ImageClass MF644Cdw/MF656Cdw ~Pixel 8 ~CarePaks Are Worth It
