I have Dell Inspiron n5110 with core i5 and 4 GB memory purchased in 2012 which becomes slower. Should I replace hard drive with SSD or purchase a new laptop? - Quora
Dell Inspiron 15R (5520 / 7520) Hard Drive & Caddy Replacement Video Tutorial - YouTube
Dell Inspiron N5110 Hard Drive Replacement (Full Disassembly and Reassembly) - YouTube
Inspiron N5110 - results of SSD upgrade - Dell Community