>>You could try a new battery or ac adapter (try running without the battery in and only on ac and see if it still happens). I remember a recall of some laptops too in the past but it's not listed on their site....
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>At this point I am sure it is either the battery or the motherboard. Probably the latter, because I didn't find anything online about the WU946 battery model other than ads for replacements. And I'm sure not going to pay parts and labor for a new motherboard on a unit that is past its fresh date to begin with.

Mike,

doing the bolded step is practically no effort and good advice for battery life when almost exclusively running on grid energy IAC...

regards

thomas