Computer wont start

Hello all I am glad that you are taking your precious time to help me.
I have the problem that whenever I start my computer a black screen appears and it says :

Diskette drive 0 seek failure

CMOS checksum error - Defaults loaded


Press F1 to continue, F2 to enter setup.
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If you solve this problem please also tell me how do I factory restore my pc which is 32-bit and I dont have a cd. Can I download any program or something for this?

Please HELP!!
 
You have a failed boot hard drive. How old is this computer and what version of Windows is it running?
 
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