[TriLUG] Ideas for Replacing Home Office Workhorse Computer?

[shay walters via TriLUG]

Oops - I should have read to the end of the thread.  Glad to hear that you
got things going!

:-)

-Shay


On Sat, Jan 5, 2019 at 8:15 PM shay walters <shaywalters at gmail.com> wrote:

>     I've had this happen to me in the past.  Perhaps the current measuring
> is done between the +5 and 0V pins on the USB connector, but if the +5
> touches the ground (outer shell of the USB) maybe it doesn't register on
> the over-current sensing.  I guess it depends on the design of the USB
> port.  But I've definitely fixed a laptop by clearing up a short like
> this.  I filled the mangled USB port with epoxy because I kept trying to
> use it and re-shorting things, causing the computer to immediately power
> off.
>     If someone pushed hard on the earphone plug and separated the +5 bar
> from the plastic "thing" (not sure what to call it), or maybe even broke
> the plastic thing (the thing that keeps you from inserting a USB plug
> backwards), it could short the +5 to ground.
>     Anyway, just a suggestion.   It won't hurt to look and see if it might
> be a fix.
>
> -Shay
>
>
> On Fri, Jan 4, 2019 at 3:03 PM Brian Henning <bhenning at pineresearch.com>
> wrote:
>
>> > It's possible you may have bent the power pin of the USB port to the
>> point that it's touching the outer shell of the USB port.
>>
>> That's a really badly-manufactured USB port if that's possible to do with
>> an object as blunt as a 3.5-mm phone plug!
>>
>> It also seems really unlikely that even a permanently-shorted USB power
>> pin should keep the whole machine from powering on.  USB is supposed to
>> work in such a way as to shut down the port if too much power is being
>> drawn; the +5 pin in the connector should absolutely not be directly tied
>> to the mobo's +5 rail and, if it is, that's a very badly-designed,
>> standards-violating mobo.
>>
>> I'm quite curious to hear what you find.
>>
>> -B
>>
>> -----Original Message-----
>> From: TriLUG [mailto:trilug-bounces+bhenning=pineresearch.com at trilug.org]
>> On Behalf Of shay walters via TriLUG
>> Sent: Friday, January 04, 2019 2:56 PM
>> To: matt at noway2.thruhere.net; Triangle Linux Users Group General
>> Discussion <trilug at trilug.org>
>> Subject: Re: [TriLUG] Ideas for Replacing Home Office Workhorse Computer?
>>
>>  > As embarrassing as it is to admit it, I accidentally killed my Asus
>>   > laptop yesterday when trying to plug in the 3.5mm headphones and I
>> think
>>   > I accidentally hit the power pin on a USB port instead.  Thing won't
>> > even power up ...
>>
>>   Take a look in there with a flashlight and see if it's like that.  If
>> so, you can probably bend it down with a sharp tool so that it no longer
>> shorts and maybe get the laptop going again.  That USB port might not be
>> usable again after this.
>> (If it's like this, it's already not usable.)
>>
>> -Shay
>> --
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>