Is there a free tool to test computer RAM?

Looking for a reliable way to check if my computer’s RAM is functional. My computer has been crashing recently, and I suspect the RAM might be the issue but need help finding a trusted tool to check it. Any recommendations or guidance?

Oh no, crashing? Classic drama with computers, huh? Anyway, yes, there’s a trusty free tool for this mess – MemTest86. Download it, make a bootable USB (fancy term, but not as hard as it sounds), and let it put your RAM through the wringer. It’ll scan for issues, and if your RAM’s guilty of sabotaging your system, MemTest will call it out.

Windows has a built-in tool too, called Windows Memory Diagnostic, in case you’re allergic to installing new software. Hit the Windows key, type “Memory Diagnostic,” and voilà—it’ll check your memory after a reboot. It’s not as hardcore as MemTest86, but hey, it’s there.

Oh, and BTW, if your crashes aren’t because of RAM… well, brace yourself, 'cause it could be anything from a failing power supply to bad drivers. Computers are like that friend who constantly causes problems but never tells you why.

Honestly, testing RAM is a pain—not gonna lie. @yozora’s mention of MemTest86 is solid; it’s one of the go-to tools for this stuff. That said, I wouldn’t completely trust the Windows Memory Diagnostic they mentioned. Yeah, it’s built-in and easy to use, but in my experience, it has this annoying habit of missing issues that MemTest86 catches. Like, what’s the point of a test if it’s half-baked?

Also, another tool worth a mention is Prime95. While it’s primarily for stress testing CPUs, it can push your entire system (RAM included) to its limits. If your system crashes during a blend test, you’ve got something fishy going on, and it might point to your RAM. It’s like giving your PC a real workout and seeing if it stumbles.

Oh, one more tip—before downloading anything, make sure there isn’t dust or debris messing with your RAM sticks. Pull those suckers out, blow out the slot with a can of air, reseat them, and test again. Sounds basic, but you’d be surprised how often that actually resolves random crashes. If that doesn’t help and MemTest comes up clean, then yeah… congrats, you’re stranded in the hardware-parts roulette. Could be PSU, motherboard, or even something dumb like a dying SSD. Computers, man. Nothing but temperamental toddlers.

Alright, RAM troubles? Let’s talk more shop while avoiding piling on to the MemTest86 fan club here. Don’t get me wrong: MemTest86 is legit for tracking down memory problems, but testing RAM is a multi-layered game.

For another route, try Karhu RAM Test, which some pros swear by. It’s not free, though—a downside. However, it’s faster than MemTest86, especially if you don’t have hours to spare. It runs within Windows itself, so no bootable USB hassle. Downside? It’s premium-only, sadly, but sometimes paying gives you deeper insights.

Now, if you’re open to diversifying, HCI MemTest is worth a glance. It’s free, much lighter on resource consumption than Prime95, and straightforward to use within your OS. You can run multiple threads to load-test your RAM, but you’ll need to manually monitor longer runs for optimal results.

Let me disagree a little with the stance on Windows Memory Diagnostic. Sure, it’s there, but it’s outdated for pinpointing issues in modern systems. It’s great for detecting large-scale defects but misses subtler RAM flakiness. Think of it like doing a quick visual check versus a proper deep dive.

Also, before tearing apart your hardware: are you overclocking? Because unstable timings or voltages mess with RAM a lot. Resetting to default in BIOS could stabilize things instantly. Not overclocking? Then checking BIOS updates might actually help too—some updates are known for fixing memory compatibility issues with motherboards.

Pros of MemTest86? Industry-standard, detailed results, and works across various systems. Cons? Requires time (and a reboot setup). Prime95’s pros? CPU and RAM intensive. Cons? Not RAM-specific. Windows Memory Diagnostic? Simplicity. Cons? Too basic. Karhu? Speedy; cons being its cost. HCI MemTest’s strength lies in its no-reboot-needed approach, with the drawback of less user-friendly deep counting for beginners.

Lastly, software aside, I can’t stress @yozora’s dust-cleaning tip enough—reseating memory takes 5 minutes and can save you hours of diagnostics. Safe to say, don’t sleep on checking PSU irregularities or potentially rogue drivers either. Computers love to keep us guessing, don’t they?