Upgrading RAM yourself is usually fine for warranty — but check the fine print.

Most desktop manufacturers (Dell, HP, Lenovo, Asus) explicitly allow you to upgrade socketed RAM without voiding the warranty. It’s a user-replaceable part. You break it, you own it — but if the motherboard dies for unrelated reasons, they still cover it.

Laptops are trickier. Some have service panels and clearly socketed RAM — those are usually safe. Others (looking at you, some gaming laptops and ultrabooks) have hidden screws, tape, or even “warranty void if removed” stickers. Those stickers are technically unenforceable in the US (thanks, FTC), but manufacturers can still be jerks about it. If you strip a screw or damage a ribbon cable, that’s on you.

Apple is the exception: they don’t put socketed RAM in modern laptops, so you can’t upgrade it. If you have an old Mac Pro with DIMM slots, go for it — but Apple’s warranty language is vague. I’d still do it.

Bottom line: Read the manual. If the manual says “user-replaceable,” you’re golden. If it doesn’t mention it, Google the model + “warranty RAM upgrade.” If people report denied claims, decide if the risk is worth saving the install fee.

You’re probably fine. Just don’t be clumsy.