Hey,I've got a Dell Inspiron n5040 and after I changed the display it was blank white and after 3 sec it maked short on mainboard,and now it beeps 3 times and the cpu is not heating up ,could be cpu damaged?
It depends on your motherboard look up "what does 3 beeps mean (motherboard brand)" in your search engine. There should be a site telling you what it means.