Broke my Windows by activating a partition :(

I have Phoenix SecureCore A01 and it doesn't tell me if I can boot from a USB. But right now I'm trying to boot from an external hard drive, which doesn't work.
edit: the hard drive is FAT32 already.

You will need to boot up something that allows you to mark the correct partition Active.

If you have no cd drive - flash is the way to go.

You could use any bootable partition manager , or even diskpart on the win7 dvd /repair disc.

Alternatively , if you can connect another pc so you can see the drive - you can do it from there.

Well, how would I make a USB bootable? By the way, I'm going to Walmart today (cause I'm on vacation) so what would I need? I don't have a USB drive or an external hard drive

I'd prefer not having to get anything though, cause my dad would probably go like "why would you get that you don't need it" but is there anyway I can use the external hard drive to boot? without deleting any files though because it's my uncle's hard drive and he has a lot of movies on it.

Find / Borrow an external USB DVD/CD drive, put in your installation disk and boot from the DVD drive. When it runs up select "Startup Repair" :-
Startup Repair

Wily, thanks for the suggestions with the installation CD, but I'm on a top of a mountain with nothing to do. I could do that when I get home but I really don't want to wait I have a week here. But Shadowjk, if I buy a 4gb flash drive today, I would be able to get a partition manager to boot from it?
edit: Actually, Siw2, I just read what you wrote. What kind of cable would allow me to connect the two laptops I have now? One that Walmart might have? :)

edit again: I'm planning on using http://www.partition-tool.com/resour...on-manager.htm, when I get a flash drive.

All you need to connect 2 computer together is either a Crossover Ethernet cable or, if the Ethernet ports on the PCs are Auto Sensing, a standard Ethernet cable.

then you will need to assign Static IPs to the network interface cards in the same subnet, 192.168.1.1 and .2 respectively.

will it work if one of the computers doesn't even boot up?

okay I got the gparted to boot, and I unchecked the boot flag, but now it says

Check cable connection!
PXE-M0F: Exiting Intel PXE ROM.

it's something with the PCIE Ethernet Controller

EDIT: FIXED IT!!!! DDDD THANKS FOR ALL THE HELP GUYS!!! what I did I used Gparted and Unetbootin and then booted from the USB. And I marked the recovery one as the boot up :) and thanks for helping me get the answer in like less than 12 hours that's awesome