Not a stupid question at all.
In Photoshop (and other colour-managed programs like Bridge), they should look the same. However, in non-colour-managed programs (eg Windows Viewer) they're likely to look different.
The Spyder Pro allows you to calibrate both screens, yes. However, ultimately it comes down to the laptop's ability to handle them. Mind you, most modern laptops have a graphics card powerful enough to cope with multiple profiles at once, so I'd be surprised if this was a problem.
If you're not sure if each screen's profile is being honoured, you can use this.
Are you following my calibration instructions here for the laptop, and here for the desktop?
This isn't uncommon.
Are you saying you have two separate computers - a laptop and a desktop? Or do you have a desktop screen plugged into the laptop?
Which Spyder do you have?
Ok, thanks.
You're probably aware that 6GB is 2GB less than the minimum RAM Adobe recommends for running CC. But that shouldn't be the cause here.
Have you noticed the tablet being strange in any other software?
No, not at all. No copy necessary.
It's in the Layers & Masks Class, by the way. I urge you to read it again, you'll be astonished at how many little things you've forgotten.
Add a Channel Mixer layer, and enter these values:
Red channel 0, +100, 0, 0
Green channel 0, +100, 0, 0
Blue channel 0, +108, 0, 0
Then mask it on to the shirt. You might choose to apply it to the whole shirt, or just loosely to the affected areas.
That's because her hair WAS more white. In real life. Let's not be silly about this - not everything is software.
Still, no biggie, it's a simple Hue/Sat adjustment.
That's not part of the style. It's just web sharpening, you can choose your own level, to your taste, just as with any other photo.