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Old 09-29-04, 04:07 PM Thread Starter   #1
AndyH8
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Usb Problem


Hi Guys
I need some help.
I have lost the use of my usb ports.
In device manager:-
root hubs are there, host controllers are there, enhanced PCI to usb is there and ststed as working properly. But nothing I plug in works. re-installed the drivers for my mobo but to no avail. I have 4 on board usb 2 ports on the mobo but none of them work.
Any ideas on what to check next would be appreciated.
Thanks
Andy

Win xp pro sp2
768mb pc3200
AMD 3.2g cpu
gigabyte ga-k8ns mobo
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Old 09-29-04, 04:23 PM   #2
Susquehannock
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Have you tried re-installing the drivers by way of Device Manger?

Not to scare you, but some Trojan Horses & Worms attack the USB and
HID, among many other things. Experienced this first hand recently.

And updating your Anti-virus software isn't always effective at
finding them as some more recent Trojans bypass the updates
and redirect them back to 'Local Machine' in the registry.
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Old 09-29-04, 04:45 PM Thread Starter   #3
AndyH8
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think i've tried the dev manager re-install.
i'll rety if not how do i sort if it's a trojan.
andy
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Old 09-29-04, 04:55 PM   #4
bchur83
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Are your devices getting power. If you had a lot of stuff on the USB, you may have overloaded its power, and blew a fuse. Some boards have these fuses, some dont. Check your mobo manual to see if the is a fuse for the USB Power.

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Old 09-29-04, 06:21 PM   #5
Susquehannock
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Quote:
Originally Posted by AndyH8
think i've tried the dev manager re-install.
i'll rety if not how do i sort if it's a trojan.
andy
A trojan would be the last thing I'd check after drivers
and what 'bchur83' suggested above.

My problem was that 'McAfee A-V' wasn't picking up a Worm because
the trojan had disabled the updates.
The two most common A-V apps are 'Norton' & 'McAfee'. Naturally the
hackers attack these popular ones so their malicious viruses can spread unabated.

Your only option is to try the smaller A-V apps like AVG, HouseCall, or Panda.
Many trojans don't add code to your registry to mess with these. Although
I've read there is one that specifically targets AVG now since it's so popular.

Click these to see the A-V apps mentioned above:
-----------------------------------------------------

*Trend Micro House Call *

* AVG * works well and is very popular. Which can be a double edged sword.


* Panda Active scan *
This one found entries the other two did not. While it scans your
system, it requires registration to remove the infections. It does
provide a list so you can manually remove them from the registry though.

----------------------------------------------------

If you do find one do a Google search of the virus' name and
you should come up with all sorts of useful info. Sadly, there are
new trojans that can find their way onto your system by way
of JPG image files now.

Keep in mind, searching for viruses to solve your problem should be the last
resort when all other courses have failed. Often the only way to completely remove
ALL the malicious registry entries is to do a complete reformat of your HDD.
Missing just one entry means the virus can spread itself upon sytem reboot,
or even every time you open I-Explorer.

Obviously, your best bet is to not become infected in the first place.
Don't use Outlook express or I-Explorer as these have "back doors".
Best to use Opera or FireFox browsers with built in pop-up killerz IMO.

best of luck.

Last edited by Susquehannock; 09-29-04 at 06:39 PM.
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