user87101: ￼The computer reinstalled the system, and then downloaded the bitcoin core again. I forgot my wallet, and then the exchange transferred the previous wallet address. Can I still retrieve it?

user38618: It's not possible to recover your coins unless you have a backup of the wallet.dat file. If you had a notable amount of coins, you can try using a file recovery software, although I believe they can't recognize wallet files.

87101: <p>￼The computer reinstalled the system, and then downloaded the bitcoin core again. I forgot my wallet, and then the exchange transferred the previous wallet address. Can I still retrieve it?</p>
 38618: <p>It's not possible to recover your coins unless you have a backup of the <code>wallet.dat</code> file. If you had a notable amount of coins, you can try using a file recovery software, although I believe they can't recognize wallet files.</p>
