how check operational memory on the errors.

If a on the computer become arise various glitches in work, reboot, freezes, then one of reasons can to be mistakes in operational memory. how check operational memory on the mistakes? I AM you I'll show you as run scanning on the mistakes operational memory.

[@ДмитрийЗагорулько-и4ш]

подскажите пожалуйста как такое возможно- показывает в "система" 8гб оперативки а через командную строку 4?

[@butcgame8080]

а как проверить диски ssd и hhd не подскажите