Windows 10: What should I do with my laptop?

I don't know where to start, actually. We updated my brother's laptop which is HP Pavilion 14 - Windows 8 to Windows 10. It's been a long time since my brother use it as he's busy working. At first, we install the updates we saw on settings until he decided to update it to Windows 10 since some applications don't work with Windows 8 anymore. The first attempt, we got an error that says something like "..couldn't configure settings... please restart." so I did. After restarting, the system returned the OS to Windows 8. And it prompts with an error "0xc1900101-0x30018". Tried to uninstall the a

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Best laptop under $800??

Well the last one I suggested seems to be the best for 650$

EDIT: to facilitate your search...

Laptop GFX benchmark list

Laptop CPU Benchmark list

 

Laptop overclocking adventures

hey guys I'm trying to get clockgen to work on my laptop but can't get any of the plls to work, can you please post like exactly what steps I need to take to test each pll to see if it works? my specs are listed to the left
thanks!

 

Laptop with broken screen How much?

I would like suggestions and look in local stores. I dont wanna buy a laptop from someone online. Sorry. But could be a good idea if you asked him about the performance on older games. Gonna make a list ofall laptops people suggest me.

Remove the screen for space purpose here its small desk and if the screen is opened it will hide my 22 inches lcd