Putting in the wrong memory into hp vectra vl420

on my HP Vectra VL 420 mt I purchased ecc instead of non-ecc and installed it. system would not recognize it, so i put the non-ecc back in and system beeps radically and then beeps 3 times. says it does not recognize the original memory. Hard drive turns on but no monitor. Is the mother board junk ????
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  1. Maybe not. Try resetting the bios using the cmos jumper with the system off. Simply move the jumper over one position, always keeping two of the three pins covered for about one minute, then return the jumper to it's original position. Or remove the board battery for about one minute also. If you still have the problem, try just one stick at a time in dimm slot number one. One may have been damaged by your handling. Don't give up easily. I've had boards come back to life unexpectedly.
  2. have done all this and still no response, even downloaded manuals did what they recommended. Still at my witts end. But I surely do thank you for your advise!!! Maybe there is some other little tricks to the3 trade.. :-)))))
  3. o1die said:
    Maybe not. Try resetting the bios using the cmos jumper with the system off. Simply move the jumper over one position, always keeping two of the three pins covered for about one minute, then return the jumper to it's original position. Or remove the board battery for about one minute also. If you still have the problem, try just one stick at a time in dimm slot number one. One may have been damaged by your handling. Don't give up easily. I've had boards come back to life unexpectedly.



    have done all this and still no response, even downloaded manuals did what they recommended. Still at my witts end. But I surely do thank you for your advise!!! Maybe there is some other little tricks to the3 trade.. :-)))))
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