A Ledger USB environment check should isolate one variable at a time. Cable, port, operating-system permission, Ledger Wallet page state, and the device screen can each affect recognition. Changing all of them together makes the next result hard to read.
Start with cable and port conditions
Use a data-capable USB cable, connect directly to the computer when possible, and test one port before moving to the next. For the broader desktop connection sequence, compare with connecting Ledger to a computer.
Then read system permission
System permission prompts and driver states should be handled before judging the Ledger Wallet page. If the issue is already a non-recognition case, use the USB connection troubleshooting guide as the detailed path.
Separate Ledger Wallet app state
Ledger Wallet may be waiting for the device to unlock, for a device app to open, or for a permission state to change. If the app cannot open the device, the device-opening checklist gives a focused route.
Record the device-screen result
Finish by writing down the device screen prompt, the cable or port used, and the app page state. If an app or firmware prompt appears, keep it separate with the app-versus-firmware update guide.
