Radeon R6 M340DX crash

Hi, I bought an Asus Laptop last September 2016. This laptop has a CPU AMD A10 8700 with APU Radeon R6 M340DX. After some months of normal working, about 2 months ago the graphic board started to have many problems. The main problem is that when I use Adobe Photoshop, after some minutes of working the screen freeze and I can't continue to use my laptop because it doesn't respond at any input or command. The only solution is to restart the pc by the on/off button.

I asked some information at many computer technicians, but they answer to me that the problem is that AMD doesn't released a driver compatible with Photoshop and other graphic software for the R6 M340DX.

I read into this forum and I saw other people with the same problem.

I tried to install all kind of AMD drivers but I didn't solve this problem.

Can someone help me?