You've installed an SSD, added RAM, and swapped the E2160 for an E8400. Why is YouTube still lagging?
The Intel Pentium E2160 is a relic from 2007. While it was a legendary budget workhorse in its heyday, it is now severely obsolete. If you are still running this processor, your computer is likely struggling to browse modern websites, let alone run modern software. intel pentium dual cpu e2160 upgrade
If you're moving to a significantly different or more powerful CPU, your motherboard might need a BIOS update to recognize it properly. You've installed an SSD, added RAM, and swapped