how to solve date issue

hello guys ,today i tell you how to fix the date issue on desktop computers. the date issue is that date is automatically being changed when u shut down your computer. when you on you computer date is changed.so  no need to worry date is changed due to an small cell .when small cell expired date is automatically changed after shut down. this cell is located in r cpu .cell is in circular shape and of silver colour . The work you have to do is just buy that cell from shop and replace it with older one.after replacing on ur pc nd set the date and restart you pc .when you restart u see date is not being changed.enjoy thnxx