Total factory restore

agiletto Posts 1 Registration date Saturday May 25, 2013 Status Member Last seen May 25, 2013 - May 25, 2013 at 12:51 PM
I tried the instructions to do a total factory restore on my Toshiba C655. when I hold down the o button I get this message
Check cable connection!
PXE-M0F: Exiting Intel PX ROM
No bootable device -- insert boot disk and press any key.

Any suggestions.