ASUS - ZenTalk

I am unable to register either my chromebook (now being repaired) or my son's. I enter the serial number, choose the date, and the "submit" button stays disabled.

Hi,I have 2 CM1400X, one mine, the another is my son's. My son's chromebook flip works well, mine won't switch to tablet mode anymore (it did the first couple of months) when I fold over the screen, and sometimes even the touchscreen stops working un...