1) Take your resources offline.
2) Go to the command prompt and change your directory to the installation folder of your sql say c:\prog*files*\micr*sql ser*\
3) Change the directory to mssql\binn
4) Enter sqlservr -c -m
You can now start your restore. Don't bring your resources online still. Once you are done with your restore, shutdown sqlservr.exe and bring your resources online.