@keybear - Basically it is extremely rare to get cervical cancer and be HPV negative. If you are HPV positive, you are at higher risk for cervical cancer, hence your cells will be looked at as a next step.
I believe the policy changed in 2019/2020, and now an initial HPV assessment is done prior to cells looked at for this reason. Until this changed. lots of women would show normal cells at their routine smear, but then present with inflammatory changes 3 years down the line. They were then tested retrospectively for HPV and the link between HPV positive and inflammatory cells became very clear.
I came back HPV positive recently but with normal cells. I was called back for another smear in 1 year, rather than 3. If I am negative in a years time, I will then have 3 yearly smears as usual.
It is really important to note that the virus can remain dormant in your system - and reactivate, and cycle between the two throughout life. You are at higher risk when you are positive, and if the virus is dormant again, your risk is then reduced.
People with only one sexual partner can get HPV - I know, I am one of them! So don't assume if you have a limited sexual history you are clear as that isn't the case.
My consultant told me that often people will test positive years after being with the same partner, as the virus can lay dormant (and reactivate!).
I hope this information helps, I had a bit of a freak out when I tested positive recently as I wasn't expecting it! So I spoke to my gynaecologist who explained all the above.