Laptops use CMOS batteries just like desktops, but on most models they're difficult--if not impossible--to replace. That would cause the BIOS to reset to the defaults. Copyright © 2006-2016 How-To Geek, LLC All Rights Reserved
FOLLOW US Twitter Facebook Google+ RSS Feed Disclaimer: Most of the pages on the internet include affiliate links, including some on this site. hi all, need some serious help raphoenix i have checked all motherboard and i scrambeled the CMOS setup still my screen black like this Award Bootblock Bios V1.0 Copyright (c) 2000, Fail Detecting IDE ATAPI device ... Replacing one is usually a two-minute job: pop out the old one, pop in the new one, and you're done.