The reason is that after the WINDOWS10 version of the system upgrade, the Oracle and MySQL services were changed.
My situation: Because the D disk is encrypted with BitLocker, after restarting does not enter the password is not accessible, originally Oracle is installed on the D drive, the result of the upgrade, the Oracle service path information is all modified to C drive, resulting in Oracle boot does not come.
Workaround:
Go to the registry to change the Oracle-related services, change the path to D-disk;
The registry places that need to be modified are:
all child nodes in 1.hkey_local_machine\software\oracle\, note: do not change the properties on the current node.
2.hkey_local_machine\system\currentcontrolset\services\ all child nodes starting with Orcale.
For example, these
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BitLocker encrypted disk, WINDOWS10 version upgrade, installed on the encryption disk of Oracle, MySQL boot does not come