Apple MacBook Pro 14-inch (M3 Chip) offered strictly for parts, repair, and...

The motherboard/logic board requires professional chip-level repair or replacement of the data/security chips. All other components (display, keyboard, battery, enclosure) are fully functional.

The stated fault does not map to a single common repair part, so treat this as a parts or board-level unit and confirm the real cost before buying. The common failure points for this kind of item are below for reference. Subtract the relevant one from the $560 margin to gauge the real spread.

Common faults for this model

• Battery$80 to $150eBayAmazon
• Screen / display$120 to $300eBayAmazon
• Keyboard$80 to $180eBayAmazon
• Trackpad$40 to $90eBayAmazon
• Charging port / charger$30 to $90eBayAmazon
• Won't boot / software (OS or storage)$0 to $80eBayAmazon
• Won't power on (battery / logic board)$80 to $300eBayAmazon
• Liquid damage / logic board$200 to $500eBayAmazon

Repair costs are rough parts estimates, not a diagnosis of this exact unit. Confirm the fault and your repair path before you buy.