Lenovo IdeaPad Flex 5 - Charging on one usb-c side - I have failed miserably in finding this fault

Step-by-Step Tutorial: Repairing Charging Issue on Lenovo IdeaPad Flex 5

1. Identify the Issue:

   • The customer reports that the USB-C charging only works when the plug is turned in one direction.

2. Inspect the Charging Port:

   • Check the charging port for any visible damage or issues.
   • Verify if the pins on the charging port are intact and in good condition.

3. Check for Cracks:

   • Examine the charging port and motherboard for any scratches, cracks, or damage.
   • Use a multimeter to test the continuity of the charging port pins and the motherboard.

4. Locate the Faulty Pin:

   • Look for any broken or cracked pins on the charging port or the motherboard.
   • Identify any specific pins that may be causing the charging issue.

5. Replace the Charging Port:

   • If a cracked pin is found, consider replacing the charging port with a compatible one.
   • Ensure the replacement charging port is securely soldered onto the motherboard.

6. Test the Charging Port:

   • Connect the laptop to a power source and check if the charging port is now functioning correctly.
   • Verify that the charging port is providing the correct voltage and amperage.

7. Check for Diode Issues:

   • Use a power supply to check for any shorted diodes on the motherboard.
   • Replace any faulty diodes found during the testing process.

8. Reassemble the Laptop:

   • Once the charging issue is resolved, reassemble the laptop by securing all components back in place.
   • Confirm that the laptop is charging properly from both USB-C sides.

9. Final Testing:

   • Power on the laptop and ensure that both USB-C sides are charging the device without any issues.
   • Check the voltage and amperage to confirm proper charging functionality.

10. Completion and Verification:

    • Verify that the charging port is now working correctly in all directions.
    • Ensure that the laptop charges consistently without any further issues.

By following these steps, you should be able to diagnose and repair the charging issue on your Lenovo IdeaPad Flex 5 successfully.