mirroring

I'm using windows connect app to share mobile screen on computer. When sharing is started, a cursor appears on the window in the connect app within the mobile screen area & is very laggy. I have to press windows key to remove the focus. Also the Connect app window has to be kept in a horizontal...

Does using Wi-Fi on a 5ghz band help in better screen mirroring than 2.4ghz? I'm currently using a 2.4ghz Wi-Fi dongle on pc for casting (to fire tv) and I see some lag in cursor movements and screen transitions. Will upgrading to a 5ghz dongle be worth it?

I have the following config. AMD 3.5 GHz AM3 Phenom II 970 ASUS M5A88-M Motherboard Seagate Barracuda 1 TB HDD I plan to add another HDD for data mirroring. Will I be able to do without disturbing the current configuration? How risky it is? Any help is highly appreciated.

At last.......its only new wine in OLD bottle! iPhone 4S Look-wise similar to iPhone 4 (same 3.5" retina display,front & back glass with metal rim), A5 dual core proxy-faster, Better antenna design 8MP cam (advanced lens system) 3264 x 2448 + 1080p HD video recording...