Question about Digital Cameras
I have not used my camera for awhile but on both my laptop and my desktop when plugging in my camera to the USB Port, I get a message saying "USB Device not recognized., one of the USB Devices attached to this computer has malfunctioned and Windows does not recognize it". The problem is the same message comes up on both of my computer and I have used 3 different USB cords. I am not sure what to do. I have Windows XP Operating System on my laptop and my desktop but have plugged into my desktop before. I did get the door fixed on my camera so it was not used for about a month. Please let me know what to do.
Try out all these options one by one t fix your problem:
1)just try to unplug the device and have it connected into another PC (with USB port) and let it be recognized by that PC... when it is recognized, plug it again to the original PC it was previously plugged. i know it doesn't make sense but i believe there are some electrical factors that may cause this malfunction.
Another way is... just leave it UNPLUG for half a day or a whole day, and plug it again... probably it will recognize the device itself.
2)install the mainboard drivers of USB so that it can run USB 2.0 devices..........that's it..........
3)Backup your important data in the system partiotion. Then format it and reinstall windows XP fresh copy
4)Firstly, it's recommended that you make sure every one of your motherboard drivers are completely up-to-date, but you probably already knew that.
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. When you plug a device back in, it can sometimes fail to 'wake up' properly. This problem was supposedly fixed in SP1 but there is a related registry hack that may still be able to help.
Run regedt32.exe and navigate to;
Create the Usb key if it doesn't already exist. Under this key, create a new DWORD value called DisableSelectiveSuspend and give it a value of 1. Then restart the PC.
A 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. It wouldn't hurt in trying .
Alternatively, removing all entries relating to USB in Device Manager and all associated USB drivers will force XP into refreshing the USB driver stack.
Begin by unplugging all USB devices, then use Add/Remove Programs in Control Panel to uninstall any USB driver software. Next, boot up into safe mode and go to Device Manager. Once in device manager make sure 'Show hidden devices' is checked under the View menu. Uninstall all device entries in this order;
1. USB peripheral devices (printers etc.)
2. HID and/or Composite USB (Human Interface Devices) You're using PS/2 input devices so you may not have this entry.
3. USB Root Hub(s)
4. USB Host Controller(s) (Universal or Enhanced Host Controllers)
Then boot back into Windows (not safe mode) and it should populate the Root Hubs & Host controllers again. Proceed to plug your USB devices back in, starting with your powered hub. Be aware that most USB printers and scanners need to have their drivers installed first before you plug them in.
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Posted on Apr 06, 2008
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