<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Hello<br><br>When I boot up I get the following message:-<br><br>CMOS checksum error - Defaults loaded.<br><br>What's causing this? And what can I do to prevent it? I would have thought that it shouldn't be anything to do with the battery as I only changed this in May.<br><br>Thanks<br><br>Ron<br><br><br></td></tr></table><br>