cq61 laptop has black screen & keyboard is flashing corrupted bios.

Pc was shutting offafter a few sec. so I replaced power adapter. Now pc runs but still has black screen. Keyboard is blinking twice every few sec. indicating corrupt bios. I tried fix: Win+B then press power for 1 to 3 sec. Pc came on then powered itself off then came back on and still black screen. Is there anythingn else I can do? I don't know anything about the bios. Will changing hd help?
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  1. Can't be specific without hands on testing but it sounds like faulty hardware.
  2. Phillip Corcoran said:
    Can't be specific without hands on testing but it sounds like faulty hardware.


    I have switched ram (no change) Do you think HD could be the problem. I also put on monitor with same results.
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