You could convert a laptop by, for example, building a better graphics card (both from nvidia) into it
Depends on the model.
Sometimes the GPU's are also shrink-wrapped.
It's the hp pavilion ec0305ng you can have a look at it if you want
Very rare. RAM and hard disk / SSD can be exchanged and upgraded in almost all models.
Graphics chips, on the other hand, are almost always firmly soldered. Only very few, high-priced models offer the option of replacing the graphics chip. You would have to research that depending on the model.
Okay, I have a rather mid-range laptop hp pavilion 15 ec0305ng
No, usually not. Most of the components in laptops are permanently installed or integrated on the mainboard.
Certainly not there.
No, the graphics unit is permanently installed there. Swap RAM (double) and HDD / SSD. There's nothing more than the usual upgrade for notebooks.
Can, there are a few models that would allow this on the basis of socketed processors and graphics cards as an MXM package.
However, the cooling is limited. And this can usually not be converted, improved, or exchanged for a better performing one.
In addition, such rare laptops are also expensive, since usually soldering everything is cheaper.
hp pavilion ec0305ng "everything" is soldered, both CPU and GPU, and both also share a headpipe, which personally does not suit me. Because both processors keep each other cozy and warm.
This is possible with some devices, but even there you have to rebuild a lot in the device or re-solder connections and cables. Alternatively, you can also use eGPUs with some devices, i.e. You can build a graphics card in an external housing and then use it via PCI, USB, or the like. Connect the ports to the laptop.