Can't get into bios using "delete" key

Used another keyboard and delete key worked. I was trying to get into the bios to use a Hirens repair cd. My external hard drive is clicking, computer recognizes it but it still won't open. Hirens didn't work either. Very important data on this I guess I will have to see how much repair will cost. Thanks everyone for info on delete key.
 


Interesting, never had a delete key not work before. Make sure you select the answer you though was best. (SR-71 Blackbird)