Windows 10: I have a 7 year old HP Laptop which is very very slow. Have tried everything

I have a 7 year old, reasonably Hi-Spec HP 17" Laptop. 4th Gen Core i7 processor, 16Gb RAM, 1TB Hard Drive. Running a recent iteration of Windows 10. too old for a Win 11 upgrade It is unusably slow to boot or to open programmes. I have run Norton Power Eraser...nothing adverse reported. I have defragged the HDD, then done a clean re-install of Windows using Microsoft's Media Creation Tool. Still no improvement. There is acres of room on the hard drive, with only minimal data stored, and I do not run anything that demands massive amounts of memory. I have just tried Ashampoo's Optimiser on t

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1 yr. old HP wireless laptop can't connect to older HP wireless Printer

Different answers each time I called HP Yes/No Can be connected/No it can't. Last call suggested kill printer add back. It's not on the HP list and can't pick up blue blinking wireless signal . Older HP Inkjet 6350 year old HP laptop both wireless wizard
asks for WPA

NO DISC, NO cables

 

I have 2 years old HP Ipaq MDA. Can I upgrade it to Windows 7 ?

I have 2 years old HP Ipaq MDA. Can I upgrade it to Windows 7 ? I cannot find any link with list of compatible devices (mobile phones) and upgrade programs...

 

Shopping for a new Laptop: Suggestions on Manufacturers? HP or Dell?  

I generally advise against the home/small business laptops ... or any laptop that lists for under $1000. They tend to be junk.
When you buy junk it breaks ... and then you buy junk again ... and it breaks.
But with the over-$1000 business laptops you get better construction and longer life.

I was going to suggest Lenovo. Mine is 7 years old and works perfectly. Can't say the same for the Dells and HPs that I've owned.

But for $150 you can't get anything ... not if you buy new.
If you buy cheap you're just throwing your money away.