I have used a wireless charging pad for my tablet for the past year or longer. The tablet stays on the charging pad until I need to use it, and it goes back on after I use it. I noticed I had not heard any notifications for a few days. I check the device, and it was powered down, but still on the wireless charging pad. I used my original charging cable, and the device came alive. The tablet only stays on when it is plugged in. When I unplug it to, and click on a few apps it just shuts down with no warning. I called Asus, and they said that the board may need to be replaced. They want $200, no way. What do you suggest I do to troubleshoot the device? I have already reset the device, but no change. I am not paying to get it repaired. I just hope Google comes out with another Nexus tablet because this was my favorite.