My Right side USB port is not working.
The right side usb port on my macbook pro isn’t working , not even a thumb drive is recognised , the left one though works fine.
please help what can be the reason and possible parts that can be faulty.
Any liquid damage? Does the HDMI output or SD card readers work?
The right side ports are on a separate I/O board that can be independently replaced. If the HDMI output or SD card reader works but not the USB port, you probably need to replace the entire I/O board: MacBook Pro 15" Retina Display Mid 2014 I/O Board Replacement and MacBook Pro 15" Retina (Late 2013-Mid 2014) Right I/O Board
If none of the ports on the right side function you could try replacing the cable instead: MacBook Pro 15" Retina Display Mid 2014 IO Board Cable Replacement and MacBook Pro 15" Retina (Late 2013-Mid 2014) I/O Board Data Cable
Replacing the cable is a bit of a cheaper repair so you could try it first, but if that doesn’t work then again you’ll need to replace that entire I/O board.
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Good idea to check for debris in the socket and clean the contacts with applicable contact cleaner or 90% or higher concentration isopropyl alcohol. If you open up the unit, check the USB connector for cold/cracked solder joints, loose terminals between the circuit board and the connector (if possible) and any looseness of the connector itself.
由 prop man 完成的
@propman Thank you for the fix , I did have to replace the io board.
由 Jil Patel 完成的