3 ms·It doesn't help that most laptops have lost the Page Up/Down key. Just a thought.by jblock 14y agoIt doesn't help that most laptops have lost the Page Up/Down key. Just a thought.sorghum 14y agoSpace for page down and shift+space for page up are pretty common too.halviti 14y agoI've never seen a full laptop that didn't have a PgUp/PgDn that wasn't a Mac. Some netbooks do have these keys removed, but certainly not "most" laptops.