how to trouble shoot USB port on a laptop running Pop!_OS 22.04 LTS?
Here are some steps you can follow to troubleshoot a USB port on a laptop running Pop!_OS 22.04 LTS:

1. Check if the USB device is working: If the USB device is not working, try using it on a different computer or device to determine if the problem is with the device or the computer.

2. Restart the computer: Sometimes restarting the computer can resolve the issue.

3. Check for loose connections: If the USB device is loose, try unplugging it and plugging it back in. Make sure the port and the device are clean and free of debris.

4. Update the drivers: Make sure that the drivers for the USB port and device are up to date. You can update the drivers by running the following command in the terminal:

```
sudo apt update
sudo apt install linux-firmware
```

5. Disable power management for USB devices: Power management can sometimes cause issues with USB devices. You can disable power management for USB devices by running the following command in the terminal:

```
sudo nano /etc/default/tlp
```
6. Find the line USB_AUTOSUSPEND=1 and change it to USB_AUTOSUSPEND=0. Save the file and restart the computer.

7. Check for hardware issues: If the steps above do not resolve the issue, it may be a hardware problem with the USB port. In this case, you may need to have the laptop serviced by a professional.
If these steps do not resolve the issue, you may want to seek further assistance from the Pop!_OS community or a professional.