Unfortunately, I made the mistake of upgrading before the problem was resolved. I know that the updates from ASUS are current. I've tried your method 3 a while ago, making the touch pad at the least sensitivity. Just tried the Method 2 "Click the Pointer Options tab, and then do the following:-Uncheck the Hide pointer while typing box. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.