took bios battery out of aspire one zg5 aoa110
 

now that i have a new pasword for bios ,my acer aspire one zg5 AOA110 says have no operating system and cant reboot,if i dont have a operating system can i put windows xp on it ,i have a 1024mb of memory and 8gb video no hdd.been tryin to set up usb drive how do i do it

You do realize that this is a linux forum?
Are you trying to load windows xp from thumb drive?
Try unetbootin for windows