Ok, so last night i clean the dust out of my pc, I plugged my pc back in and every thing worked fine, I then ran Battlefield 4 and got low fps in the 50's so I went into my bios and changed my processor speed to 4.2 ghz and ram to 1866 MHz which I know these speeds work as for my processor can get to 4.7 ghz no prob, but then I loaded up BF4 again and same low fps, went back into bios and bam optimized defaults and booted into the please select proper boot device, restarted and went into the windows reinstall with disk and it says my boot ssd is locked, bios can still see ssd, so I do not think that my ssd is dead, please help I love my computer but had it for only 6 months and my dad will not allow me to purchase another one.... Need help fast as an essay is due in 2 days and this is my only option to type it.