Oracle service rebuilding and ora-01034 errors

-- Oracle service reconstruction method (-- telemt is the database name)
> Oradim-New-Sid telemt-srvc oracleservicetelemt-intpwd Oracle-pfile C: \ oracle \ product \ 10.2.0

\ Admin \ telemt \ pfile \ init. ora.89200801642

-- Still unsolved
> Oradim-shutdown-Sid telemts
> Oradim-startup-Sid telemt

-- Still unsolved
> Oradim-delete-Sid telemts
> Oradim-New-Sid telemt-srvc oracleservicetelemt-intpwd Oracle-startmode

A ora-01034: Oracle not available
Ora-27101: Shared mermory realm does not exist
Solution:
Enter sqlplus/nolog in the Command window;
SQL> connect/As sysdba
Already connected to the idle routine. -- Indicates that Oracle is not started.
SQL> startup
The Oracle routine has been started.
Total system global area 603979776 bytes
Fixed size 1250380 bytes
Variable Size 79694772 bytes
Database buffers 515899392 bytes
Redo buffers 7135232 bytes
The database has been loaded.
The database has been opened.

-- Oracle should be able to log on now.