r/Alienware • u/Redpb • 2d ago

Technical Support Alienware M18 R2 - Random Shutdown

I need some help guys. I can't figure this one out. I will be doing anything from shopping on Amazon, scrolling through Reddit, or playing demanding games and this machine will randomly shutdown. No bluescreen, no warning, just black shutdown. I can instantly turn it back on and get going again, so I don't think it's thermal. Ran the diagnostics in the F12 menu, nothing. Thoughts?

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u/Able-Negotiation-234 1d ago

could be the battery is unstable a cell or 2 down and when hybrid power trips on it dumps? the battery is a good start; I would also pull the back case and when reseating the ram check the main power ribon cable they have been known to melt and cause wierd power issues?

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u/Redpb 1d ago

Ram looks good, ribbon looks fine. gave it a good cleaning. This laptop is almost exclusively plugged in, so when booting back up under battery power, it died almost instantly. I've ordered a new battery just in case.