To make the computer, which responses fast, is needed:
1) Burn USB flash with OS installer, in "MBR" scheme, instead of "GPT"
2) Select in the BIOS a boot mode: "Legacy only"
3) Do format the SSD, so that it does not having UEFI partitions
4) Install the OS on the SSD
By using "Legacy only" boot mode, the computer will work maximum fast.
Example of the fast working computer: