Symptoms of Bad Memory
How the quality of your module affects you.
So now you know the shortcuts some memory manufacturers will take to save money. Still, you're wondering, "How does this affect me?"
Unfortunately, substandard memory can affect you in more ways than you may realize. It can cause problems ranging from annoying error messages to a complete system crash. When these failures occur, critical data that's stored in memory is typically lost or overwritten. And it's not always obvious that memory is the cause of your problem.
Let's say you're building a system, you assemble it completely then turn on the power and nothing happens. You may not suspect the memory at first. Most people will double check all connections, maybe swap a power supply with a different machine and spend hours trying to solve the problem, when in fact it was a failure due to bad memory.
Or, your system may seem to work fine at first then mysteriously crashes later. Most of us have experienced a "blue screen" at one point in our computer lives and we all know how unreliable PCs can be. However, it's not always easy to tell what caused the blue screen. Was it a bad cell in the memory? Was it an intermittent failure in the memory? Was it something else?
Low-grade memory is also more prone to compatibility problems. For example, your computer might only recognize a portion of the memory, or even worse, it won't see the memory at all. Or maybe you upgrade your PC only to discover that the new generic module won't work with the existing memory, so you're stuck using just one module or the other.
Marginal memory is certainly not the only cause of computing problems. But it can contribute to them. Why do you think major memory manufacturers like Micron refuse to ship these lower grade parts? It's because they don't want their name on it.
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