Professional MacBook RAM replacement, upgrade and memory troubleshooting for supported models. Services include: • RAM diagnosis and troubleshooting • RAM replacement where supported • RAM upgrade consultation • Memory error diagnosis • MacBook performance troubleshooting • Hardware compatibility checks • Guidance on compatible replacement parts Not all MacBook models support RAM upgrades because some have memory soldered directly to the motherboard. Your exact MacBook model will be checked before any replacement or upgrade is recommended. Send your MacBook model and describe the problem you are experiencing before placing an order.