Troubleshooting Peripherals

Step 1: Is the device recognized by the system?

• Get information from one of these: lsusb, lspci, lshw

Step 2: Is the appropriate kernel module loaded?

Imagine you are troubleshooting "sound". Here is the process.

• lsmod | grep sound => check if the sound module is already loaded. If not loaded, then you can load the module using modprobe soundcore.

• Remember: Modules usually end with the.koextention.

• Here is the problem as how you can identify the name of the module.

  • Modules are loaded in: /lib/modules . The modules depend on the kernel version you are running.