In message 
<[log in to unmask]>, James 
B. Byrne <[log in to unmask]> writing at 12:50:31 in his/her local 
time opines:-

<snip>

>To add insult to injury, the replacement Targus p/s for my nx9420
>proved faulty and is now en route to Targus for a warranty
>replacement.  Maybe it is me...

If it's gone through 3 power supplies, it's almost certainly the laptop.
At a guess, it's drawing more power than it should, and so more than a 
power adapter rated for its nominal power draw can supply.

Quite why, though, I couldn't say; but I might suspect the battery. Or, 
without its proper feet, does it lacking the cooling airflow it should 
have underneath it, and so is overheating?

It might need more spending on it than the cost of a few rubber feet; 
what's your break-even/bailout point?

-- 
Roy Brown        'Have nothing in your houses that you do not know to be
Kelmscott Ltd     useful, or believe to be beautiful'  William Morris

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