not able to reboot

I have an old laptop with an hdd with Windows 10 installed. Then I gave it to an aftermarket to install an ssd. and now I have both the ssd and the hdd installed. They installed the ssd with windows 10 and the old copy of the os still in the hdd, but removed from the boot record. I then...

So i lately bought a new pc specs: AMD Ryzen 5 3600 MSI RTX 2060 Gaming Z MSI x570 A PRO (motherboard) 16GB RAM DDR4 3000MHZ 240GB SDD 1TB HDD 650 WATT PSU Now to the problem this can happen randomly at any time my pc will be having like lagg spikes where my mouse will be tping all over the...