9 beeps and a red flashing light

By steelth
Apr 16, 2013
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  1. I gotta Hp Compaq dc5750 for a friend , added Ram, a slave drive , and a new video card . Worked great , I sent it to him, he got it.On boot it has 9 beeps and nothing but a red flashing light. I have read that 9 beeps can be everything from a bad battery to a bad mobo. I read on here that it is "9 short ROM checksum error- The contents of the system BIOS ROM does not match the expected checksum value. The BIOS ROM is probably defective and should be replaced' So what does this mean? I had my friend remove 2 sticks of ram and it still beeped then I had them remove the other 2 and put the first 2 back in and it still beeped.
  2. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    That many beeps usually mean bad RAM, but you have already determined that the motherboard is bad, by replacing the RAM

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