"unauthorized bios attempt "


The date and time were changing in my system once i login . Then i found that the battery cmos is dead. so i replaced this cmos battery. After this when i login i got an error message saying that "unauthorized bios attempt " and still the date and time keeps on changing . so i decided to change the bios jumpers to configuration mode 2-3 and login the sytem for 20 seconds and i heard a beep sounds. after that i cjanged the pin to the normal position 1-2.

Now still iam geting the same error message when i login. "unauthorized bios attempt "

How to solve this problem. please help.

lenovo think center A55 model. desktop.
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More about unauthorized bios attempt
  1. Try resetting the bios by removing the pins and shorting the pins.
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