power supply

mike havens bmike1 at gmail.com
Mon Oct 19 19:40:22 MST 2009


Thanks for the info. I think It's the battery. I left it on all day  and got
home from work and it was still humming along. But, as I said before, only
time will tell. I think I'll give it a week and then put the battery back in
to see if it starts crashing again.

On 10/19/09, Jim March <1.jim.march at gmail.com> wrote:
>
> There's one more thing about laptop bricks.
>
> The wattage.
>
> You want a replacement with as much or more wattage as what you have.
> Never less.  Common sizes run from 45watt on the low end to the 60 to
> 75 range as the most common, 90 to 120 for the big guys.
>
> It's OK to use a brick with "too much" wattage on a smaller machine,
> so long as the voltage and plug size/pins are correct.  The lappy will
> only draw what it needs.
>
> On the aforementioned Dell brick I used as an example, it doesn't list
> watts directly.  It says 19.5 volts at 3.34 amps.  So take a nice
> little conversion website like:
>
> http://www.supercircuits.com/resources/tools/Volts-Watts-Amps-Converter
>
> Punch in whatever two items you know and it will calculate the third -
> in this case, 65.13 amps, right in the "midsize" range.
>
> So if I was shopping for a replacement brick, I would know a 60 would
> be trouble and a 75 would be fine.
>
> Cool, huh?
>
> Your existing brick will ALWAYS tell you what's going on - both on the
> input (AC) side and output (DC) side.  Unless you peeled the sticker
> off listing all that...
>
>
> Jim
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-- 
:-)~MIKE~(-:
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