go to acersupport.com, you'll find from bios to camera drivers...by.
If it's running Linux then you'll need to flash the bios. Look at http://en.kioskea.net/forum/affich-95127-acer-aspire-one-zg5-won-t-boot-up. It should work. If it has XP then you can search on Google for how to find lost password windows XP.
Turn your ThinkPad over, look on the bottom. There should be a sticker that has M/T and S/N on it. The "M/T" is your specific ThinkPad Model and Type. You need to know both the Model and the Type ... since many ThinkPad "models" have a dozen or so different "types" within that model family.If there is no sticker on the bottom of the laptop chassis, or it was worn off, you can alway press F1 and bootup and go into the laptop's BIOS setup. The first screen of the BIOS setup will tell you the Model and Type.
LIF is Mexican and ZIF is white Cutec at http://cutec.wordpress.com/2008/08/14/acer-aspire-one-zg5-hands-on-experience/#comment-77 propose the following: Difference between ZIF and LIF is in the design, ZIF is designed to be changed less than 5 times, LIF about 20 times before breakage is expected. another great site: ziflif.info/ziflif/