Device: iMac 24-inch , model: A2438, released year: 2021
Common Issue: USB port stops recognizing external devices.
Reasons for this issue:
- Failure in the USB controller of the logic board.
- Misbehavior of System Management Controller.
- Corrupted setting in NVRAM or PRAM.
- Conflicts in kernel extension of macOS.
- Shorted or faulty USB-C port module.
Your iMac is worthy of flawless performance. At Mac Tech Service, we fix even the smallest port problems. From logic board replacement to firmware restore, we do it all. We use Apple-authorized skill on every fix. Quick turnaround. Thorough diagnostics. Guaranteed success. Bring your iMac A2438, and we’ll get it running like new.
Mac Tech Service
Our Service:
1) USB-C port testing and replacement under magnification.
2) Rework after diagnosis of logic board USB controller.
3) Resetting SMC and NVRAM using calibrated tools.
4) Conflict analysis and repair or system extension.
5) Professional ultrasonic cleaning of logic traces of USB.
iMac A2438 USB issue, mac USB-C not working, iMac port diagnostics, tech repair