Toshiba Satellite R10-S802TD Tablet PC "formatted system hal dll" Questions

...hal.dll file and when i go to the second one (setup) it keeps reseting to the begining back to the two OS choices. i cant boot from CD for some reason even when trying to swtch bios and i cant use ...

...system error). Restored again, "windows could not start the following is missing or corrupt: windows root>\system32\ntsoskrnl.exe" Restored again, windows could not start the ...