On Jun 22, 4:04*pm, Paul <nos...@needed.com> wrote:
> Roy wrote:
> > Hello group
> > Recently I *was dismayed why my USB drive was not recognized anymore
> > by window explorer. Therefore if I *plug it on the USB slot it does
> > nothing. I searched the web for some ideas and came from this fellow
> > which states:\
>
> > 'A user of a company I know recently told me the following experience
> > he had with a USB flash drive. The user traveled a lot and had a
> > laptop that he used to connect to the company's network when he was in
> > the office. And he was used to plugging his flash drive into the USB
> > slot on his laptop so he could transfer files to another machine he
> > used at home. But one day he came into the office, connected his
> > laptop to the network, plugged in the flash drive and nothing happened
> > -- normally an Explorer window would open displaying the contents of
> > the drive. This was disconcerting, so he opened My Computer and
> > discovered that the USB drive wasn't there. Puzzled by this, he took
> > out another flash drive from his pocket and tried it, and this time it
> > worked fine so he knew at least the problem wasn't with his computer.
> > He was just about resigned to throwing out his first drive when he
> > decided to send me a quick email detailing the problem. My immediate
> > reaction too was that it was that the drive had failed, but then I
> > thought about it some more. One of the key steps in troubleshooting
> > problems is to ask what just happened. The drive failure had occurred
> > after he connected his machine to the network, so could it be an issue
> > with the network? I emailed back and suggested he disconnect his
> > laptop from the network and try the flash drive again, and a short
> > time later I received an email saying the drive now worked!
> > Then it dawned on me. I told him to remove the drive, connect to the
> > network and open My Computer again and look for something different.
> > He did this and told me there was a new mapped network drive that he
> > hadn't seen before. Aha! The network administrator must have modified
> > their logon script to map a new drive on users' computers, and this
> > new mapped drive probably assigned the very same drive letter that
> > this particular user's laptop had previously assigned to his first USB
> > drive. I told him to plug the USB drive in again, open Computer
> > Management, and change the drive letter of the USB drive. He did this,
> > and right away an Explorer window opened displaying the contents of
> > his USB drive. Problem solved'
>
> > Since I have never done such things these ideas sound strange to me.
> > Meaning if the drive is malfunctioning it might have something to do
> > with such and not a hardware fault.
> > Although I was not using a laptop but just a desktop PC.
>
> > I did found the computer management ( local) and had viewed the disk
> > management on the right pane.
> > Indeed there are letters that indicates one drive say for example
> > Drive D and drive C which is easier tounderstand as well asthe Drive E
> > and F *and so forth. Previously the Flash drive was recognized as
> > Drive G and J as well as drive H for *another External hard drive.
> > But now it does not recognized my flash drive.
> > What I don't understand is why window explorer does not recognize my
> > USB flash drive but still do with the other drives.
>
> > Early this morning I was plugging these drives to the networked
> > computer in the internet cafe and immediately it was not recognized
> > and this kept me worried so when I arrived home I immediately plugged
> > it and there the flash drive is not functioning or being recognized
> > anymore.
> > Could somebody offer me their advice how to sort this out
>
> > What is going on?
>
> > TIA
> > Roy
>
> Uwe Sieber has a web site, with that kind of information on it.
>
> http://www.uwe-sieber.de/usbtrouble_e.html
>
> *From a hardware perspective, you can verify that the plugged in
> device is being detected (communicated with), via UVCView program
> from Microsoft. (Use the upper right hand link, to download an
> executable for Windows 32 bit OS.) This is an archived web page,
> as Microsoft has taken down the download page. There have been
> several versions of programs that look like this one, and so far,
> this one is the most capable. (Some of the originals, had limits
> on the number of ports they could handle.)
>
> http://web.archive.org/web/200705160...crosoft.com/wh...
>
> If the physical layer is working, and the USB device can be
> enumerated, and fill the window with data, then the problem
> must be at a higher level in software. (In the picture here,
> you can see VID/PID 0x0ECD 0xA100 device has been detected, and
> the presence of the Endpoint Descriptor presumably means a
> communications path is set up.)
>
> http://www.die.de/blog/content/binary/usbview.png
>
> For resetting the USB stack, usbman.com has a page describing a
> procedure to do in safe mode. But this doesn't necessarily fix
> everything. There are also instances where a driver cache is
> corrupted, or the registry is locked to updates, that might
> cause a procedure like this to not fix anything. But in those
> cases, searching on the exact error text, will likely lead you
> in the right direction.
>
> http://www.usbman.com/Guides/Cleanup...%20Safe%20Mode...
>
> HTH,
> * * *Paul- Hide quoted text -
>
> - Show quoted text -
Thanks !. sounds complicated and Microsoft is cautious about
installing hotfixes which may not be the solution to the problem
I did try to follow a certain procedure
http://www.port-huron.k12.mi.us/tech...leshooting.pdf
But it when I right my computer- choose manage- Storage- disk
management
Then I right clicked the listed removable disk then change drive
letter and paths
And want to assign a new drive letter.
I was given a warning that changing the drive letter might cause
problem that the hardware connected might no longer run so stopped
there.
I also tried to create another drive letter but it says the letter was
not recognized.
Creating a new folder needs that you need another path, but when I
browsed I only find that there are two path- the C and D drive.
So I got lost here and would need some suggestion from people that are
familiar with this methods.
Thank You!