Dell inspire M5040 black screen code 0x000000f0

Please can you help me I have a problem with my dell laptop Model M5040 and has windows 7 basic on it keeps showing me a black screan saying. I must reinstal by useing my disc or cd to repair but I don't have any disk or cd and don't know what to do it gives me a code code 0x000000f0 error I tried to restart I tried F8 ect I did reboot ect can anyone plz help me with this I also have a produc key