It’s not just you. It’s tough to find a computer right now for yourself or (especially) your child.
I waited two or three months for a webcam, going back to June or July, so it’s been tough for a while. If you do need a "new" computer, though, just a reminder that you can’t go wrong with a used ThinkPad. Especially if you’re a Linux user.
You Can’t Find a Laptop. Now What? | The New York Times