![]() In that folder I found another folder called "Details" then another one called "USB" then "USB Unknown". Under "My Documents" is a Folder called My Drivers. After I switched everything on VOILA my USB and everyone elses is working once again. So I followed the instructions of unplugging my computer from the wall and I waited about 10min. Googled for 1 week untill I finally found this thread. Also got the message USB Device Not Recognised. After giving up no one else could plug any USB into three of my ports.My printers work and speakers etc. ![]() ![]() I have an internet cafe and so far no problems with clients plugging usb's and phones in to upload photos to facebook etc untill one client brought in a Nokia phone like every other don't remember exact model. Hopefully some of this may be of help, let us know how you get on. Be aware that most USB printers and scanners need to have their drivers installed first before you plug them in. Proceed to plug your USB devices back in, starting with your powered hub. Then boot back into Windows (not safe mode) and it should populate the Root Hubs & Host controllers again. USB Host Controller(s) (Universal or Enhanced Host Controllers) HID and/or Composite USB (Human Interface Devices) You're using PS/2 input devices so you may not have this entry.Ĥ. Uninstall all device entries in this order ġ. Once in device manager make sure 'Show hidden devices' is checked under the View menu. Next, boot up into safe mode and go to Device Manager. Īlternatively, removing all entries relating to USB in Device Manager and all associated USB drivers will force XP into refreshing the USB driver stack.īegin by unplugging all USB devices, then use Add/Remove Programs in Control Panel to uninstall any USB driver software. Then restart the PC.Ī long shot perhaps, but I recall having similar problems with a USB hub built into my Microsoft keyboard and adding this key seemed to solve it. Under this key, create a new DWORD value called DisableSelectiveSuspend and give it a value of 1. HKEY_LOCAL_MachineSYSTEMCurrentControlSetServicesUsbĬreate the Usb key if it doesn't already exist. This problem was supposedly fixed in SP1 but there is a related registry hack that may still be able to help. When you plug a device back in, it can sometimes fail to 'wake up' properly. In XP, after a USB port isn't used for a long while the USB driver built into the OS sets the OHCI controller to suspend. Unfortunately there is no easy fix.įirstly, it's recommended that you make sure every one of your motherboard drivers are completely up-to-date, but you probably already knew that. It seems that many people are still getting the 'USB Device not Recognized' problem from time to time. PS) Error message appears even after plug out of all usb ports Which folder should I use to create the mentioned key? ![]() They are: usbccgp, usbehci, usbhub, usbprint, usbscan, usbstor, usbuhci, usbvideo, I find out that there are many usb related subdivision on left pane. I tried to use the method explained in below thread. Today all of a sudden mouse didn't work and the error message pops up every few seconds. I connect printer, scnner and mouse via USB port. My computer is Sony Vaio laptop with Windows XP. Ive read around the net quite a bit on the topic, and it seems people have encountered similar problems.in their USB ports not recognizing mass storage devices.Īny help on the matter would be fantastic, And of course the hub doesnt want to work. But now.well, it doesnt seem to like it anymore, as per that same error message. The hard drive was working through that port before i tried installing this hub. However, i do not get this error message when plugging my USB printer and ADSL modem into that same port.īoth the external harddrive and USB Hub have their own power supplies. One of the USB devices attached to this computer has malfunctioned, and Windows does not recognize it."įurthermore, when i try to re-connect my external USB hard-drive to the original port at the back of my PC, i get the same error message. ![]() I got an error: "USB Device not Recognized. When i unplugged the hub and replugged it back in, however, the hubĬeased to work. Initially, but with only one of my USB devices which was plugged into it: My ADSL modem. ( i only have 2 spare ports at the back of my PC) So i plugged it in, and it seemed to work Yesterday morning i went to buy a 4 port powered usb hub. ![]()
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