Asus Rog Ally Will not detect another Monitor/TV

[Lenexus2118]

I had the Ally since it came out and I also had this similar issue with my 1st one before using my warranty to exchange with a new one because the sd was also an issue. I have the original Dock and the cable and work on the 1st day I got the replacement. After a few month of not docking it. Today when i try to dock it, it doesn't detect the new Monitor/Tv but will charge. The cable are still the same one that they provide you but doesnt work. My firmware and Drivers are all up-to-date. 

[Anbby_ROG]

Based on your description, the inability to display on the external monitor could be due to issues with the Ally hardware or drivers, but it may also be related to the dock or cable. To further clarify, I would like to confirm whether you have tested connecting the Ally directly to the monitor to see if it works properly, or if you have tested other cables to check for any changes? Thank you.