Working on a HP EliteBook 2540p laptop - upgrade SSD, RAM and W10 - YouTube
HP EliteBook 2540p Notebook PC User Manual | 175 pages
HP Laptop EliteBook Intel Core i7 1st Gen 640LM (2.13GHz) 4GB Memory 250GB HDD Intel HD Graphics 12.1" Windows 7 Professional 64-bit 2540p(WH283UT) - Newegg.com
Solved: 2540p memory upgrade - HP Support Community - 1678365