Alex Weaver

There is probably more than one correct answer for this without more information. Generally a slow connection speed can be attributed to your service provider, modem, router, and connection type. It really just depends. check the age of your devices. if you are renting from your ISP check to see if they have replacement equipment available.

More than likely the roller bars are dirty, you would have to disassemble the thing to clean (alcohol) them off, but that would probably fix the issue.

Phillips 0 and the Torx T8H are the screwdrivers used to get them out. I think the Torx T8H security screw is the proper name for that one though.

New HDD and cleaned out, still won’t boot after the USB Os install? Are you sure your installing the full OS and not just the update? The update is on top of the full OS on the same page, you wouldn’t be the first to make that mistake.

If it is overheating then the light on the front will turn red when it turns off. If this is the case then you could attempt to clean the dust out of it enough dust will choke a system fan causing this issue. Other possible issues could be the fan not functioning at all but that is something you would be able to hear when you turn it on or while it’s getting hot.

Have you tried getting an new HDD? Seems like the likely culprit here considering everything else didn’t work.