Home Forums Tech Helproom F: is not accessible "The parameter is incorrect" Forum Rules | Contact Forum Editor | Report a Post F: is not accessible "The parameter is incorrect" Diemmess 17:16 16 Nov 2015 Locked The 500 Gb external HD has ceased to respond, and seizes everything. The fault is just the same with any HD case The fault is in the HD not the case Message is. F:\ is not accessible The parameter is incorrect. Possibly a loose connector with a wobbly connection. What can I do to correct the parameter Fruit Bat /\0/\ 18:15 16 Nov 2015 As you have tried it in another case probably not a lot else you can do. Have you try connecting direct to a SATA port on your motherboard. if it causes the PC not to boot then the bin is the only place for it. This thread is now locked and can not be replied to.