Upgrading your laptop's RAM is one of the most cost-effective ways to boost performance, eliminate slowdowns, and extend your device's lifespan. In India's bustling online marketplace, the promise of faster speeds and smoother multitasking is compelling. However, a mismatched RAM module can lead to a frustrating waste of money, a non-booting system, or persistent crashes. Navigating this requires more than just clicking "buy now." This guide provides a research-backed, step-b