I have a dell inspirion 3567 laptop with intel i5 7th gen 4gb ram 2gb amd radeon r7 m445 gpu also on board graphics intel hd 620 with 1 tb hdd. win 10 is installed on this laptop and in the device management >display adaptors > both intel hd and amd m445 shows as the device is working but games still lags and in GPU z software amd m445 gpu load and fan speed is 0 . pc is too laggy on bootup with normal tasks . any solutions plz