It's probably because of the BIOS bootorder and possiblt the windows version you are using (hopefully not win8x, as that defaults to an efi install, not bios/legacy or compatible mode)http://pcsupport.about.com/od/findbyerr ... issing.htm
I would first try changing the BIOS boot order first to make the usb the first boot device, that if the condirtion matches the above description, should allow a boot with no errors
--otherwise you can troubleshhot the bootmgr file (mission or otherwise) errors
Or edit grub2x to enable that device to boot, if its not the main drive you use..
--another option, switch the BIOS boot order as above or install grub (or use windows bootldr (bootmgr) as the loader for that device.. onto the mbr of the usb device, and use F8 on boot to select the device you want booted (loaded)
--if you are getting into Linux, grub2x might be the better option: as in learning how Grub2x works and ghow to fix boot issues using that loader/manager
If you decide on windows as the devices OS and boot loaderhttp://pcsupport.about.com/od/fixthepro ... indows.htm
3.At the prompt, type the bootrec command as shown below and then press Enter:
- Code: Select all
And fdisk /mbr
used to work to replace boot sectors (MBR), don't know if it still does, might not for later versions of windows, such as win7x or win8x or later ?