Hi Friends, The information above is really very helpfull but it could not solve my problem, if anyone can come up with the solution to my problem. I have bought Compaq Persario CQ61, I have later on changed my OS to Win7 from Vista Home BAsic, and lost the F11 key function. But from the information provided above I managed to activate the F11 key, it instead of loading the recovery manager shows the boot option i.e 1. Windows 7 2. Ramdisk Settings By clicking the 2nd option Ramdisk setting I managed to restore the OS to factory default. I was very happy that finally I managed to restore the system to its original default condition. After that I decided to immediately burn the recovery DVDS, for this purpose I launched the HP recovery Manager but it surprise me with the message that system could not found recovery partition. My recovery partition is intact, but I dont know what happened from the F11 key it works fine but within the windows it is giving the same message that recovery partition not found, I will be very thankful and obliged if anyone has solution to my problem (Recovery Manager & Recovery Disc Creator). I have thrice restore the system from Ramdisk Setting Option but it couldnt changed MBR. I have also tried to fix STRCDC, but couldnt fix the proble.Please Help.