Have you tried to see if it can have an access to ?Safe Mode? by pressing ?F8? just when you first see the ?boot sequence?? Probably it?ll not work if windows files are removed, but maybe worthy to try.
I can't even format the hard-drive cause i can't get anywhere to do this.
If you like to format correctly your HDD I suggest that you use the ?Partition Magic?. Maybe you can get that from someone around you. It?s usually copied on two floppies. If your laptop is not too old, maybe it?ll support being formatted into NTFS format to be prepared to install Windows XP on it. That?s the best option.
If not, do you have ?Windows XP? on a separated CD?
Some of ?Windows XP? on CD are bootable. It?ll start and install the system as soon as you insert it in the drive. It even gives you the option of formatting your HDD and making a new ?Windows? installation.
As for, what you say:
No i cannot enter bios at all
I?m not really in enough knowledge for that. I know that in some computers you can get there by pressing the ?Escape? button just at the boot sequence, while you need to press ?F1? for another PC, and ?F2? for also another as Sandra is telling. Have you tried all these possibilities on yours?