Upgrade RAM from 4GB to 8GB for HP250G4. Does it have 1 or 2... - HP Support Community - 7692433
HP 250 G4 - HOW TO OPEN & UPGRADE RAM & LOCATE CMOS/RTC/BIOS BATTERY - YouTube
Open Box: HP Laptop Intel Core i3 4th Gen 4005U (1.7GHz) 4GB Memory 500GB HDD Intel HD Graphics 4400 15.6" Windows 7 Professional 64-Bit 250 G4 (N2S69UT#ABA) - Newegg.com
HP 250 G4 - Notebookcheck.net External Reviews
HP 250 G4 Case Opening - iFixit Repair Guide
HP 250 G4, HP 255 G4 RAM Upgrade and Install | Step-by-step DIY Tutorial - YouTube
The Journey of Upgrading My HP 250 G4: the Manual and Beyond | by Yurii A | Medium
The Journey of Upgrading My HP 250 G4: the Manual and Beyond | by Yurii A | Medium