Hi @maricruze
Check in ''BIOS > Advanced > Graphics Configuration'' and see if it is shown there.
Unfortunately the [https://dlcdnets.asus.com/pub/ASUS/GamingNB/GL503VD/E13530_GL503VD_VM_GL703VD_VM_V2_A.pdf|user manual] (see p.72) doesn't show what the settings are.
At 9:20 minutes into a teardown [https://www.youtube.com/watch?v=qqBTC_k1kk0|video] of the laptop it shows the CPU and the GPU and both are hard mounted on the motherboard so it is not a case of a loose connection