Vista - Old usb devices work fine,new usb devices would not install

Like the subject title, says old usb devices are working fine, but new
ones will not install under Vista. Vista would suggest the update
(Windows6.0-KB940199-x86) but when trying it, I'd get the message that
it does not apply to my machine. I've tried copying the pnf and inf
files, tried moving the usbstore, tried deleting the INFcache.1, all to
no avail (as recommended by many web site). I am currently attempting to
install a Brother DCP-7020 monochrome multi-function laser printer under
Vista via its USB connection (it also has a parallel port but using that
connection, its scanning functions will not work according to Brother's
web site so have to USB to get the scanning ability -- tried an MFC-8040
with the same results and error messages)). I thought of upgrading to
Vista SP1 to see if that would fix things but it's not offered to me
under Windows Update and I know I could install it manually (via the
stand-alone download from Microsoft's site), but am afraid it may mess
up something with my system since Windows Update doesn't offer it to me.
When installing the latest drivers downloaded directly from Brother's
site, after I plug the printer in and turn it according to the
installation's instructions, Vista see it's a DCP-7020,tells me that
it's ready to use, that the USB composite device is ready to use and
that an unknown device failed to install. I even tried the navigating to
C:\Windows\winsx at the appropriate prompt and still nothing. I've even
tried some things with System Restore but System Restore is no longer
successful at any restores for me for some reason, although it doesn't
do me any harm either (it leaves things the way they were before the
System Restore attempt). I have tried the kb941600 download at
http://support.microsoft.com/kb/941600/ which somehow managed to get the
printer side of the dcp-7020 to work but no scanner. In frustration, I
uninstalled that package. I have also thought of re-installing Vista,
but that would be a last resort option as re-installing any OS is no fun
(back up stuff, re-install OS, re-install drivers, re-install programs,
etc.) In case needed, my system's specs are:

Dell Dimension 9200/XPS 410 (same machine but it's known as the 9200 in
Canada and the XPS 410 in the U.S.)
2.4Ghz Quad core
4GB RAM
32-bit Vista Home Premium
Logitech Quickcam Messenger (usb device) -- installed, but not hooked up
- works fine when connected
Seagate FreeAgent Drive 500GB (usb device) -- hooked up and working fine
Brother MFC-665CW (usb device) -- hooked up and works fine
Epson Perfection 1250 (usb device) -- installed, but not hooked up -
works fine when connected
Logitech Meida Keyboard (usb device) -- hooked up and works fine
Logitech LX7 mouse (usb device) -- hooked up and works fine
Sansa E270 mp3 player (usb device) -- hooked up and works fine
LG Lightscribe drive (usb device) -- hooked up and works fine
2 Kingston Data Traveller usb drive -- installed, but not hooked up -
both work fine when connected
IOGear 6 port USB hub with card reader -- hooked up and works fine
DCP-7020 -- trying to install, but so far no go, due to the reasons
stated above.
MFC-8040 -- trying to install, but so far no go, due to the reasons
stated above.

It's getting to the point I am afraid to buy *any* new (to my system)
USB devices as none have worked thus far all of a sudden.

Any help in this matter is greatly appreciated. Thanks.
Chris

That's the first thing I tried, actually and got nothing but error
messages. As stated, below, "When installing the latest drivers
downloaded directly from Brother's site, after I plug the printer in and
turn it according to the installation's instructions, Vista see it's a
DCP-7020,tells me that it's ready to use, that the USB composite device
is ready to use and that an unknown device failed to install." Whether
from the CD that came with the printer or via Brother's web site, I
don't plug in or turn on the printer until requested. I then get the
usual Vista trying to find the appropriate driver routines but Vista
can't find them on the CD or even via the downloaded driver's
installation routine for some reason and will not proceed further. I am
having the same issue as the folks at
http://forums.microsoft.com/msdn/sho...tf=0&pageid=13

and so far those suggestions haven't worked .



mikeyhsd wrote:

Hi Christopher,

Could you post some of those error messages such as Error Code and Error text?


--
oscar

....Right click is your very good friend...


"Christopher Hume" wrote:

oscar wrote:Whoops, I see I accidentally cross-posted to a Win2k group. Fixed now.
To answer, I get no error code, but I do get an error message to the
effect that Vista asks me where to locate the drivers (one would think
the downloaded drivers or CD would know where to look for them). I can't
remember the exact wording but it along the lines of "installing device
driver SW" followed by option window "Found New Hardware".Under "Found
New Hardware" window, I get the choices of automatically find driver
(Recommended), Browse manually to drivers or "Ask Me again later". If I
choose the automatic route, it finds everything but the scanner and says
the installation of unknown device (scanner) failed and the installation
routine refuses to go any further and just sits there. If I cancel out,
Vista sometimes informs me to download the kb941600 at
http://support.microsoft.com/kb/941600/ but when I do that, it tells me
it doesn't apply to my system. For some reason, I don't get the message
to do that download anymore, but all the other symptoms remain the same.

if this is a multi function printer.
for mine I have to install the scanner first then the printer.
not plugging in or turning on till after the printer and told to do so.

sounds like part of the function failed to install.






mikeyhsd@xxxxxx



"Christopher Hume" <chume73@xxxxxx> wrote in message news:u7bPxgA$IHA.3908@xxxxxx
That's the first thing I tried, actually and got nothing but error
messages. As stated, below, "When installing the latest drivers
downloaded directly from Brother's site, after I plug the printer in and
turn it according to the installation's instructions, Vista see it's a
DCP-7020,tells me that it's ready to use, that the USB composite device
is ready to use and that an unknown device failed to install." Whether
from the CD that came with the printer or via Brother's web site, I
don't plug in or turn on the printer until requested. I then get the
usual Vista trying to find the appropriate driver routines but Vista
can't find them on the CD or even via the downloaded driver's
installation routine for some reason and will not proceed further. I am
having the same issue as the folks at
http://forums.microsoft.com/msdn/sho...tf=0&pageid=13

and so far those suggestions haven't worked .



mikeyhsd wrote:

It is a multi-function printer and does indeed include a scanner. The
scanner portion refuses to install as Vista sees it as an unknown device
and I don't both to turn on the printer or plug it in until specifically
told by the installation routine per the instruction manual. During the
usual Vista has detected a new device, looking for drivers, installing
drivers, etc., it does not seem able to find the scanner portion of the
printer and after Vista gives up, the installation program does not
proceed further as it only gives me the option to cancel. The strange
part is the printer works fine on another PC with Vista SP1 (I'd install
SP1 on the PC giving me issues and no guarantee it'd fix my issues
anyway, but it's not available via Windows Update and as an aside, I'm
not sure what's causing it to be blocked from there -- thought it was my
Sigmatel drivers, but tried uninstalling those & rebooting, but SP1
still isn't offered by Windows Update).

mikeyhsd wrote:

"Christopher Hume" <chume73@xxxxxx> wrote in message
news:%23A1UL2J$IHA.2060@xxxxxxSome multifunction machines have a separate driver to install for the
scanner. They also come with scanner software, that sometimes includes the
driver. It is not unusual to find a Vista driver for the printer, but no
software for the scanner. Visit the mfg site, and don't download "the latest
driver" download the Vista Compatible drivers. Good luck.