I tried to downthrottle my cpu and mobo, now i get NTLDR missing

[ilovedota2]

I downthrottled using AMD Overdrive, put mobo speed from 200 mhz to 100 mhz and cpu multiplier from 20x to 10x.
Then i heard static in my headphones and the screen froze so i rebooted it says NTLDR MISSING, CTRLALTDELETE TO RESTART

Usually one would put the win7 cd, but i don't have a dvd reader on this computer, though i have one on another computer, but it's running XP.

Is my only choice burning win7 from the other computer?

[Geek-9pm]

You install a CD reader.

[ilovedota2]

For anyone looking at this from Google, what i did was;
burn the win7 image on a usb key using "windows 7 usb/dvd download tool" by microsoft inc.
put the usb key in my damaged computer
then go in repair option

[Geek-9pm]

Please clarify some details.
You are running Windows 7  and it was OK.
You used a AMD utility to cut the  speed for 200 to 100 Mhz.
Is that information correct?
Windows 7 can not run at that speed.
Why did you do that?
The message may not be valid.

[carlos1001]

I downthrottled using AMD Overdrive, put mobo speed from 200 mhz to 100 mhz and cpu multiplier from 20x to 10x.
Then i heard static in my headphones and the screen froze so i rebooted it says NTLDR MISSING, CTRLALTDELETE TO RESTART
Is my only choice burning win7 from the other computer?

Windows 7 can not run at 200 MHz. One ghz or higher is needed to run windows 7 2 ghz I think to run the 64 version.
NTLDR is a windows xp bootloader. did you install the windows xp bootloader?

[Salmon Trout]

Some utter nonsense being talked about clock speeds, and did anybody actually read the original post?

put mobo speed from 200 mhz to 100 mhz and cpu multiplier from 20x to 10x.

[carlos1001]

OK Sorry I miss read your Post. Still How did you install NTLDR on the computer, or Are you dooal booting Windows XP? Windows 7 doesn't use NTLDR.