ACER ASPIRE M3450 AMD GRAPHICS DRIVER FOR WINDOWS 10

When I unblock and let it download and install and the computer boots up only 1 time fine then the next time it tries to boot Acer Aspire M3450 AMD Graphics my HD goes to sleep but everything is running. I was told that my power supply was bad so I put in a new and larger power supply and the computer acts exactly the same way. "acer aspire all" in Classifieds in Ontario I ...