Hi,
>the node cannot be evicted.
To recover from the Hardware failure, remove the failed node from the failover cluster using the SQL Server Setup program, address the hardware failure with the computer offline, bring the machine back up, and then add the repaired node back to the failover cluster instance.
More details please refer to following document:
https://learn.microsoft.com/en-us/sql/sql-server/failover-clusters/windows/failover-cluster-troubleshooting?view=sql-server-ver15#recovering-from-failover-cluster-failure