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USB "blacklisted" devices: how to remove them
"Robert Breunung" wrote in message ...
under system-variables u had to enter some string, then the option in the devicemanager "show all devices" or "show hidden devices"(translated) works, but i think restartin in secure mode is doing the same Your USB adapter may just be bad...does it have the same problem if you connect it to a different device? |
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USB "blacklisted" devices: how to remove them
Well I finally understood the problem.
The answer was in NG microsoft.public.windowsxp.general (cf infra). So a driver can prevent windows generic mechanisms from doing their job... but actually no "blacklist" is kept anywhere - at least in this case. Anyway it works and I feel much better now... I sent the problem to Xilinx. Yours, FB PS: many thanks to Berni Joss. ------------------------------------------------- From: Berni Joss ) Subject: USB Device not recognized View: Complete Thread (4 articles) Original Format Newsgroups: microsoft.public.windowsxp.general Date: 2002-10-29 13:57:02 PST FYI After using a flash card reader successfully for many months, I suddenly get: "USB Device Not Recognized" after plugging the TravelFlash 5in1 reader into any usb port. Some other usb peripherals work fine, only the PQI TravelFlash is not recognized. The system is a Dell Dimension 4400 running XP home. Luckily I seem to have found the problem. It appears that the MultiLINX driver installed by the Xilinx Free ISE WebPACK 5.1i is not innocent. After removing: 1. mlnxfltr.sys & mltlnx.sys from c:\windows\system32\drivers 2. rebooting 3. uninstalling the USB root hubs (there are two in a Dell Dimension 4400) 4. rebooting I can again read my flash cards :-) Have a good day, Berni. |
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