Hello this is my first post i have a problem with my computer while boot it it shows to me system boot failure and also it dosent finds any hd in my computer but if i plug and uplug the sata cable it starts normaly but occasionaly my pc restarts and i have the same problem with my hard disk any solutions how to fix it?
You will probably need to run a repair-install of Windows, using the DVD-ROM. I believe the MBR sector is being corrupted.
If your PC starts up, you can run a check disk using the /f/r attributes:
chkdsk x: /f/r
where X is that drive's letter.