Digest for sci.electronics.repair@googlegroups.com - 11 updates in 6 topics

Dusty <Dusty@DustyDustyDusty.COM>: Sep 26 09:00PM -0700

Not sure what to do with this SanDisk 32G.
 
I used the "MiniTool Partition Wizard Free Edition"
 
It saw an empty drive in the tool. (nothing showed in windows explorer)
 
I did a full surface check and got NO errors.
 
I tried to recover and got an empty drive.
 
I reformatted as NTFS.
 
It now shows up in windows explorer as an empty 32G drive.
 
How did all the file table vanish ?
 
Is this pen drive now usable or should I just trash it ?
 
 
Bob_S wrote:
Lucifer Morningstar <not@for.mail>: Sep 27 04:40PM +1000


>It has fixed numerous problems on flash drives that don't show in Windows
>Explorer or Disk Manager. And if it says it's dead, it probably is.
 
>Bob S.
 
Bob,
try https://en.wikipedia.org/wiki/Usenet_quoting
Lucifer Morningstar <not@for.mail>: Sep 27 04:42PM +1000

On Tue, 26 Sep 2017 21:00:54 -0700, Dusty <Dusty@DustyDustyDusty.COM>
wrote:
 
 
>It now shows up in windows explorer as an empty 32G drive.
 
>How did all the file table vanish ?
 
>Is this pen drive now usable or should I just trash it ?
 
I suggest you try https://en.wikipedia.org/wiki/Usenet_quoting
 
Wolf K <wolfmac@sympatico.ca>: Sep 27 09:39AM -0400

On 2017-09-27 00:00, Dusty wrote:
 
> I reformatted as NTFS.
 
> It now shows up in windows explorer as an empty 32G drive.
 
> How did all the file table vanish ?
 
It didn't. There's nothing in the file table, is all.
 
> Is this pen drive now usable or should I just trash it ?
 
Just copy a few files to it and see what happens....
 
--
Wolf K
kirkwood40.blogspot.com
"Wanted. Schrödinger's Cat. Dead and Alive."
"pfjw@aol.com" <pfjw@aol.com>: Sep 27 04:23AM -0700


> That's really the explanation?
 
It is. This becomes particularly clear when a mother cat starts to train her kittens to hunt. First, freshly dead, then nearly dead, then undamaged prey.
 
Peter Wieck
Melrose Park, PA
Cursitor Doom <curd@notformail.com>: Sep 27 10:28AM

On Tue, 26 Sep 2017 17:00:05 -0700, John-Del wrote:
 
> the show he was watching was a western and either the wagon train or the
> barn was set on fire by the Indians (er, Native Americans) and was in
> full blaze.
 
He must have thought the special effects were totally awesome. ;)
 
 
 
 
 
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Mike Coon <gravity@mjcoon.plus.com>: Sep 27 11:50AM +0100

In article <oqfugj$b6t$5@dont-email.me>, curd@notformail.com says...
> > barn was set on fire by the Indians (er, Native Americans) and was in
> > full blaze.
 
> He must have thought the special effects were totally awesome. ;)
 
Smellivision? Might go down well with all the cooking programs in the
UK...
 
Mike.
N_Cook <diverse@tcp.co.uk>: Sep 27 08:11AM +0100


> The easiest way is just overcharge them, but it must be done at slow charge, ie 16hr charge rate.
 
> The practical answer is new cells. They're very cheap.
 
> NT
 
Not a dendrite problem,not dropped to zero, just gone out of kilter.
16 hour charge time for 30 hours or so , for all 3 in series, makes
sense, the next time.
3x 20mAh (not 200mAh) Ni-MH cells, very small , for a tiny pocket size
version.
Other than 9V pp3 and robbing 3 cells, I'm not aware they are sensibly
(ie not 1000 minimum) available, even then pp3 ones are about 10 times
too big.
I was thinking of a 5V supercap might work as a replacement, if necessary
tabbypurr@gmail.com: Sep 26 06:51PM -0700

On Wednesday, 27 September 2017 01:49:50 UTC+1, T i m wrote:
 
> Cheers, T i m
 
> [1] I couldn't hurt one but I don't see the point in them ... apart
> from a source of whiskers for crystal sets and guts for violins. ;-)
 
Just use a 10v zener. Job done. There's little point in the rest when the meter is so coarsely marked. You can adjust for 10v mechanically. You should find one in your scraps box.
 
Catgut is made from sheep, goats etc.
 
 
NT
mike <ham789@netzero.net>: Sep 26 09:19PM -0700

On 9/26/2017 5:40 PM, T i m wrote:
> multiturn pot of the smallest value possible to give me sufficient
> 'trimming' around the end points and quality resistors to do the main
> bridge / work.
Use a small value pot with a fixed resistor on each end.
Easier to set, more stable.
tabbypurr@gmail.com: Sep 26 06:47PM -0700

On Wednesday, 27 September 2017 00:16:44 UTC+1, Dave Platt wrote:
 
> Tradition. It dates back at least as far as the day when we Americans
> decided we couldn't afford to spell the new metal "aluminium" due to a
> severe shortage of printers' slugs for the letter "i". :-)
 
Pedant mode on. Most plastics have a short common name for obvious reason. IIRC Mr. Webster's rewrite of American spelling occurred well before plastics in the 1800s.
 
 
NT
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