Did you check in Device manager > View > Show hidden devices or in Device manager > Other Devices (if listed) just in case it is listed there for some reason?
Don't know the laptop, but check in BIOS (press F2 when Acer logo shows on startup - I think) to see if there is an option to turn on/off the Nvidia graphics adapter. If there is enable the adapter, save the changes and restart the laptop and check if it appears in Device Manager.
If there is no graphics option in BIOS, try resetting the BIOS to the default values, save the changes and then restart the laptop and check in Device Manager.
If still not there it may be a faulty GPU IC. Usually laptops don’t have a plug in GPU, it is either integrated with the CPU or where there are two GPUs in the laptop, one is in the CPU (Intel in your model) and the other is hard mounted separately on the motherboard.
Replacing a hard mounted GPU is not easy. It is easier to get a replacement motherboard