Hi rahar_satriyo, Only the full version of the Dell backup and recovery will give you an option to backup entire computer image which is a paid version. The default basic version which comes with system will have only factory restore image in it. 
I have a Dell 0ptiplex 3010 with windows 7 pro 32 bit 10 units. how to backup windows by DELL BACKUP? please help, I am still confused with DELL BACKUP.
how to backup windows by DELL BACKUP?