Can I replace my Lenovo Z51-70 CPU? It's an i7-5500U which is very bad at multitasking. Can I replace the processor or the motherboard with a higher processor? - Quora
Lenovo Z51
Lenovo Z51-70 80K601CRUS 15.6" Notebook - 1920 x 1080 - Intel Core i7 5th Gen i7-5500U Dual-core (2 Core) 2.40 GHz - 8 GB Total RAM - 1 TB HDD - Black - CareTek Information Technology Solutions
Lenovo System Update: Update Drivers, BIOS and Applications - Lenovo Support US
Which RAM should I buy for a Lenovo Z51-70 Notebook (80K60002IN) laptop for a memory upgrade? - Quora
Lenovo Z51-70 80K601CRUS 15.6" Notebook - 1920 x 1080 - Intel Core i7 5th Gen i7-5500U Dual-core (2 Core) 2.40 GHz - 8 GB Total RAM - 1 TB HDD - Black - CareTek Information Technology Solutions
User manual Lenovo Z51-70 (English - 44 pages)
HOW TO REPLACE PARTS OF Lenovo Z41-70 / Z51-70 (20492, 80K5, 20493, 80K6) - YouTube
Lenovo System Update: Update Drivers, BIOS and Applications - Lenovo Support US