PC and Mac repair with both in-shop and mobile on-site service defines Good Ol PC, an appointment-based computer shop on Earl Street in La Mesa. Services cover laptop screen replacement, virus and malware removal, RAM and SSD upgrades, and refurbished-system sales, a hardware-and-software repair range that parallels the diagnostic troubleshooting at Classic Audio Repair, Inc. for consumer electronics. Mobile technicians travel to homes and offices across La Mesa, El Cajon, Santee, and greater San Diego, eliminating the need to disconnect multi-peripheral workstation setups for transport. Data recovery from failing hard drives preserves irreplaceable files — photographs, financial records, and project archives — before mechanical degradation makes extraction impossible, a digital-rescue discipline that intersects with the archival digitization work at Photo Digitech San Diego. Highest-complexity jobs include motherboard-level component diagnosis using multimeter continuity testing and thermal-imaging scans to isolate failing capacitors, voltage regulators, and micro-soldered BGA chipsets.