If your ledger nano S has problem in connection, this is something known. There might be a lot of reasons for this and so you should check out below. These connection issues can happen both when using live as software part or when using electrum. This is because such issues are generated by a driver side problem and therefore affect the transmission of data itself and the recognize of the system. Therefore it’s better to carefully checklist below.

Ledger connection issues

You may encounter connection issues when trying to connect their Ledger Nano S or Ledger Blue device. If this occurs, try the following solutions one by one:

  1. Close other applications (Ledger apps, crypto wallets, Geth, Parity, Mist, Bitcoin Core, etc).
  2. Turn OFF VPN and anti-virus temporarily. If that works, make sure to whitelist Ledger Live. 
  3. Change the USB cable if possible. Try removing any dongles or docks you’re using. 
  4. Try different USB ports.
  5. Restart your computer.
  6. Try another computer.

If the problem persists, please check the page from the producer with detailed informations:

Fix connection issues

On Linux you need to create a set of udev rules to allow device access. Refer to the Chrome USB API documentation for details. Please follow the instructions below. Enter the following command to automatically add the rules and reload udev: wget -q -O – https://raw.githubusercontent.com/LedgerHQ/udev-rules/master/add_udev_rules.sh | sudo bash Retry connecting your Ledger Nano S with Ledger Live.

Additional important things are:

  • always run the latest firmware
  • better using electrum (for bitcoin) and either use a tor connection or more better using a dedicated full node in order not to loose in privacy.
  • always be careful in opening blockexplorers because in that way your privacy is seriourly compromised