How to remove "there is no disk in the drive.please insert a disk into drive\Device\Hard disk1\DR7?" this error....

1. Go to start.. 

 2. Type RUN   

3.type REGEDIT and open

4. click local_machine 

5. click on system 

6. click on current control set 

7. click on control  

8.click on windows 

 9. open error mode  

10. type 2 in value data and select decimal and OK.......

thanks...have a nice day
by Anop Singh Ranawat