I have a problem in my laptop and sorry about my previous post . that was the easy way i can do

[rysin]

my local disk C(System Disk) has been corrupted so that i cant boot and always says harware recovy but i have no backup to recover because i didnt expect this to happen to me.. so im stuck at this and cant boot my laptop.. so thats why i try to reset my laptop but i cant do that without the securty bios has been set up and i notice that i have no CMOS in my laptop to is there other way to make may laptop usefull again im a student and i need it badly for my study..... thanks for your help 

[WAWood]

@rysin 

First off, the CMOS battery has nothing to do with the PC starting, so removing or replacing that will be no help.

Second, boot failure is nearly always due to a failing hard drive and resetting will not only make that worse, it will almost certainly fail along the way.

If your PC is new enough to support UEFI, you can use these steps to test the hard drive: http://support.hp.com/us-en/document/c00439024

If not, to check the drive you have to follow these steps:
1) Press Esc key repeatedly, several times a second, while rebooting the laptop. Do NOT hold the key down, just press it over and over.
2) Eventually, you will see an HP Startup Menu
3) Press the Function key for testing the hard drive (usually F2) and let it run.