Christopher Hume wrote:[color=blue]
> 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
> [url]http://support.microsoft.com/kb/941600/[/url] 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[/color]