Ivalid drive C: pri odinstalovani grubu

Dobry den,
prosim o pomoc, pri odinstalovani linuxu mi zustal na pc grub, ktery se snazim odistalovat pomoci tohoto navodu {v pravo}: https://sites.google.com/site/easylinuxtipsproject /grub
Jsem na private a nemam tu praydne cd ani instalacni windows cd, takze delam ten zpusob pres flashdisk: With an USB memory stick
6.4. Finally, you can also use a USB memory stick for this job. It takes three applications: Unetbootin, FreeDOS and Testdisk for DOS.

a. First download Unetbootin and use it to make a bootable USB memory stick. Choose Freedos when prompted for a distribution to install on it.

b. Download Testdisk for DOS (don't pick the bèta, but pick the stable version).

c. Unzip the files testdisk.exe and CWSDPMI.exe, and put them on the bootable memory stick (not in a folder, just straight on it).

d. Boot your computer from the memory stick. At the Default window, simply press Enter.

e. Now FreeDOS is being launched. Choose:
FreeDOS Safe Mode (don't load any drivers)
Press Enter.

f. Then type: C:
Press Enter.

g. Now type: testdisk
Press Enter.

h. Select [No Log]
Press Enter.

i. Select the hard drive concerned: usually the second option (the first option is the memory stick itself!).
Press Enter.

j. Select [Intel]
Press Enter

k. Select [MBR Code] and press Enter. When prompted, type y (yes) and press Enter again.

Now you're done! Reboot your computer normally. Your computer should boot up Windows now.

Ale u bodu F po zadani: C: mi to napise> invalid drive C: zkousel jsem psat i D: nebo primz nazev HDD ale nic nefunguje, nevite nekdo prosim co s tim
predem dekuji za odpoved..