I see the headset has two jacks. Does the pc have 1 headphone/mic jack or are they separate?
It may be if there’s only 1 input you’ll require an adapter to plug two jacks into one socket.
On top of what Ubuysa says the newer Synaptics touchpad updates remove their tab under Control panel>Mouse Settings & the Touchpad entry under the new Win 10 settings doesn’t have any way to disable the touchpad.
To recover full settings you either have to never update Synaptics or to install...
I would disconnect all peripherals, turn off the PC, remove the power cord, remove the battery, long press the power button to discharge any residual energy & remove the CMOS battery for a few minutes.
Then reconnect everything to see if this shows the battery.
Under UK law you don’t have to accept a second repair & can request a refund if the first repair didn’t correct the problem or another problem occurred.
It’s deemed if a problem appears within 6 months of purchase that the fault is inherent so you were able to ask for a refund then.
This is a long shot but try disconnecting all peripherals, unplug the laptop, remove the battery, remove the CMOS battery & long press on the on/off button & leave things for 15 minutes then return the CMOS battery & reconnect everything then try starting up again.
You can try windows key + P to...
I use Hard Disk Sentinel, this not only monitors all hard drives for problems/failure but shows the temperature on the notification area taskbar.
My laptop hovers around 45c with the external har drive around 50c.
Try creating new install media on another PC if possible.
Another (worrying) thought is that the Pro key you purchased isn’t genuine & has been blocked by Microsoft.
You say you already have Windows license tied to your Microsoft account - is that an OEM or Retail license? If OEM then it cannot...
Sounds like the hard drive has or is about to fail. If so your only option is to purchase a new one.
If you have another PC you can download this tool: https://www.tenforums.com/software-apps/27180-windows-10-recovery-tools-bootable-rescue-disk.html & create boot media to test the drive & if...
Did you remove all USB devices, Unplug the pc then remove the battery (If one fitted), remove the CMOs battery, then long press on the power button to discharge any residual power & leave it for 30 minutes?