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How old is the scanner? did you read for what Windows version it was made in the first place?
If it is for an older OS then Windows7 and you are using Windows 7 or higher, you ran out of luck.
Always first install the software that came with the device. The driver needed for the device is supposed to be on the install disk.
You have to be sure the computer has the correct software to recognise the hardware and can work with it. From Windows 7 and up, for all hardware that is certified with Microsoft, you can download the drivers from Microsoft. Lots of hardware is recognised when connected and will initiate a download from Microsoft. But not all hardware will do so and not all hardware is compatible (same as not certified by Microsoft from Windows 7 and up) with the new operating systems.
Most things that worked fine with Windows XP and or Vista, can fail with Windows 7 and 8, because the factory that made the hardware in the first place does not ask for certification with Microsoft for their old Hardware. They only spend time and money to get their new hardware certified on the new operating systems.
So to make sure your hardware is compatible with the OS. Check the manual and find out, what you have to do so it will work on your computer.
If your device was working on a USB2 port, it also should work on an USB3 port, on the same computer. But don't expect another speed, because the slowest part decides the speed.
Assuming you have tried other usb ports and had no change,remove the usb connection, then go back into device manager and select the usb controller, right click and select delete as this will erase any input driver the usb port recognises.
Restart the pc and then the controller should be reinstalled automatically as it sounds as though the controller has become corrupt for some reason.
Go back into device manager and check there are no exclamation marks, reconnect the drive and see if it's recognised.
When you connect something to an USB port for the first, don't hope to much. You have to be sure the computer has the correct software to recognise the hardware and can work with it. From Windows 7 and up, for most hardware that is certified with Microsoft, you can download the drivers from Microsoft. Lots of hardware is recognised when connected and will initiate a download from Microsoft. But not all hardware will do so and not all hardware is compatible with the new operating systems.
So to make sure your hardware is compatible, check the manual and find out, what you have to do so it will work on your computer.
Several factors affect the multimedia experiences either audio or video. First ascertain that the computer is recently innovated. The recent computer devices are multimedia compartibles least required to experice malfunction. Once multimedia were requested would require to adjust the media impression features to display especially with media between devices on networks. First, media on the network internet considering several different devices requires program on the computer from which requested display to attain functionality. Most computers usually have windows media player as the manufacturers default to capture display either audio or video. The computer builtin functions of programs that recognise multimedia automatically displays soon as audia video were recognies either require play action button functionalities. Whenever a media were recognised on the computer least displaying is either as malfunction from the device from which was captured or computer resources least supports the encode files. Restoring malfunction media on computers require attempting to display with the media program that was provided from the manufacturer. Usually the default media program in conditons that least displays wouldl provide the detail malfunction requirements either as incompartible or requires complementary programs to attain decodes. Usually with computers on networks perform an update on the system shoudl predict the malfunctions either automaticly resolving with programs from within computer or eslwhere on an internet. Locate from the computers list of programs to initiate a system update to attain a prediction of the conditons.
The computers compartibilties are ascertainable by powering on to observe the system features once settings are displayed. Also, connect hardwares to the computer to ascertain the condition of display since the manufacturer may least have recognised useer request to several device connection.
Good day sir, hi, usually its one or two ports that does not recorgnise a usb device, but if all ports does not recognise the usb device, check the CMOS setup. check this out;
one or two ports does not recognise the usb device, this is a local fault, try to check the CMOS setup, this could also be the port itself is the faulty one having loose connection.
all ports does not recognise the usb device, this is a system fault, check again the CMOS setup if the USB port is enabled, check the USB device itself also. to make sure use another pc to test the usb device.
A computer virus can also cause the usb port to malfunction, run an anti virus software, if possible you can reinstall the XP and test the USB port afterward.
If all else fails, you can buy a USB card and plug it on the expansion slot on your PC.
On Windows 2000, XP, and Vista, you can get to Device Manager by right clicking on your desktop's "My Computer" (or "Computer" for Vista) and select "Properties". Then click the "Hardware" tab. Then click the "Device Manager" button (Vista may be slightly different).
As for why they are recognized on your friend's laptop but not yours, it's going to depend on what operating systems both are running and what the brand/models of the camera and scanner are. If there are drivers required to run the camera and scanner, try uninstalling and reinstalling them.
go to your control panel on your computer select system then hardware then device manager long list things on system will come up, go to universal serial bus control click on it now a list of usb will come up you can click on each one checking these are working if you find one is not try updating driver to see if this will fix problem