HP ProBook 4530s RAM Replacement - iFixit Repair Guide
HP ProBook 4530s I3-2330M 2.2 GHz15.6" Windows 10 Laptop 465GB HDD 8GB RAM | eBay
HP ProBook 4530s Ram UpGrade - YouTube
HP ProBook 4530s Business Laptop Intel Core i5-2nd Gen. CPU, 8GB DDR3 RAM 256GB SSD Hard 15.6 inch Display, Windows 10 Pro (Refurbished)
HP ProBook 4530s core i3 2nd gen 8GB Ram 250GB HDD Windows 10 Pro 15.6” Screen Laptop with charger in Excellent Working condition!!! Specification: * for Sale in Aurora, IL - OfferUp
HP Probook 4530S Intel Core i3-2350m 2.30GHZ 4GB RAM NO HD NO CADDIE | eBay
HP Probook 4530s RAM upgrade - HP Support Community - 6903001