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Thread ID: 54639	2005-02-18 00:48:00	Laptop turns itself off	saikou (7056)	Press F1

Post ID	Timestamp	Content	User
326048	2005-02-18 00:48:00	Hello, A friend asked me to have a look at this Dell P4 2.4Ghz 512MB WinXP-SP1 laptop. It likes to turn itself off. It doesn't restart, simply instantly turns itself off. No freeze, no slowdown, no screen flashing, just instant turn off. Once it turn itself off you can start it right up again no problem and it'll run for another hour or two. Happens weather it's running on AC or battery. First guess, overheating. So I put the cpu under full load for 15mins and it ran fine. Sure 15mins isn't long but the fact is the times it's turned itself off on me has been when the pc is doing nothing or something minimal like using Windows explorer. Oh yeah, no dust in the fan and it doesn't stop spinning. I stopped Windows from automatically restarting on a critical error, but this has no effect as there is no BSOD. Had a look on the net, poeple were just talking about overheating. Last thing, in the BIOS there is nothing related to CPU shutdown temperature (it's some wierd BIOS, not like AMI or Award - you can hardly change, or see anything) Thanks PS. a thought just occured to me. The fan speeds up when the CPU is under load, and slows down when it isn't. Is it possible it slows down too much and that why it shuts off when the CPU is virtually idle?	saikou (7056)
326049	2005-02-18 01:36:00	The fan will be temperature controlled and it sounds like it is working as required, so I don't suspect temperature. It's more likely a hardware issue though, to cause a power "off" condition. Most other issues will cause a restart. As it happens on both power and battery, it is internal to the laptop motherboard I suspect. That could be a nightmare to fault-find being an intermittent fault though.	godfather (25)
326050	2005-02-18 02:07:00	Thanks. BTW in my first post I meant "whether" not "weather". To think, I'm here to teach english.... :stare:	saikou (7056)
326051	2005-02-18 02:22:00	Does this happen "weather" it's hot or cold? :rolleyes: :cool: It might be worth having a look at the event log .	Graham L (2)
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