Bitcoin Gold fork will soon happen , and various talk are been published everyday about the this even, but most of question raised are which exchangers or ledger wallet will support this fork .
If you own ledger wallet like nano s ledger or related this article will help and guide you , so you should not worried
Bitcoin Gold was supposed to fork on block 491407. In theory, according to Bitcoin Gold community statements, what you need to do is to hold your BTC in a Legacy or Segwit address before it happened, no other action is required beware do not extract and exposed your private keys in anyway, there's no need to do it and you would lose your coins.
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