No, usually they’re fine, if you get a reliable brand. I mean they’re all a bit flaky, but they shouldn’t be acting like that.

Read the first line of the article.

Since you’re upgrading, measure it against the stick you removed.

Also, you sure you’re not just putting it in backwards? Some put chips and stickers on one side, some on the other. There’s no front or back to RAM.

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I found a couple brand guides from the 2010s showing all caps. If they changed, it was before that.