With firmware 150811, it "Optimized UI display and some functions like Access Control, Parental Control, Network Map, etc.". What are you trying to block with parental control but no success after...

Can you modify any document in USB folders and save successfully? What's the hardware version and firmware version of your WR1043ND?

Try the guide here. http://www.tp-link.com/en/faq-715.html

Did you try the battery of working M7350 on those don't start? Are they all new or they worked before?

Reset and reconfigure it. Place the range extener closer to the router and ensure you get at least three signal lights. If the problem continues, get a replacement under warranty.

Try chipmaker's driver here. http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=13&PFid=5&Level=5&Conn=4&DownTypeID=3&GetDown=false