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Did you plug USB drive into your computer yesterday but today it doesn show up Yet that drive works in the other USB ports on your computer The problem may be the port This is one...
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Hi Al
NO!
Fixed by the USB standards in use
USB 1.1, USB 2.0, USB 3 etc
Also the USB port on Computer
Attaching a USB 3 Drive to a USB 2 Computer Port will slow the device down to USB 2 standard
If ALL the usb ports have stopped working, this is a problem with the USB controller. The short answer is that you cannot easily repair this. In all probability, the controller, or a circuit trace to it has blown or shorted. You would need to get another motherboard.
If one is still working, then you can get a PCIMCIA card to usb port that will give you 2-4 extra ports, but this will only work if at east one of your existing usb ports is still functioning
Step 1 Before you start working on the USB port, make sure that your device is not the problem. If the computer says that the there is a new USB device but that it cannot use it, typically there is a problem with the device's driver and not the USB port. If this is the case, your best option is to re-install or upgrade the device driver. Try inserting the device to another computer. If the device works, most likely the problem is with the computer and not your device.
Step 2 Try rebooting the machine. Rebooting a computer resets all of the software to the default state and will clean up many issues. The start up process also checks all of the devices on the computer and can sometimes fix a USB port. First shut down the machine. Connect the USB device up to the computer and start it. This reboot will sometimes fix a bad USB port.
Step 3 Try attaching the USB device on to another USB port on the same computer. If the device now works, the old USB port probably has a hardware or BIOS issue. Skip to step 5 to try to fix a bad USB port through the BIOS. Fixing a hardware problem on a USB port requires working on the motherboard which is typically more expensive just adding a new USB ports.
Step 4 Uninstall your computer's USB device bus manager. The device manager controls the USB access and sometimes gets corrupted. Fixing the USB device manager requires administrator rights on the machine. The best way to uninstall the device bus manager is to right click on your computer's icon and select properties. This will bring up the hardware settings for your machine. Click on the hardware tab and select the device manager. The device manager lists all of the devices on the computer. The next step is to open up the "Universal bus controller" option. Right click on all of the items under this option and uninstall them. Once all of the devices have been removed, restart the machine with the USB device connected. Upon reboot, windows re-installs the USB device manager. Most of the time, this will fix the USB port.
Step 5 The next thing to try is to check the BIOS. Restart the machine and enter the BIOS setup screen. You should check to make sure all of the USB ports are active. If they are, you should try resetting the BIOS settings to the defaults. The BIOS reset will sometimes fix USB port. But if it does not you will have to consider upgrading the BIOS. Upgrading a computer BIOS is very dependent on the motherboard manufacturer and you will have to visit your computer manufacturer's web site for detailed instructions.
Step 6 The last trick to try to fix a USB port is to repair your OS. Sometimes the USB drivers can get corrupted and break the USB ports. You can reinstall the system files onto the computer which should fix the USB port. Your data files should not be changed in this process, but it is a good idea to do a full backup of the computer ahead of time. In windows, an OS re-install is done by loading up the windows installation CD/DVD and selecting the repair windows installation. Just follow the steps and you often have a fixed USB port at the end of the process.
Both USB ports use the same driver, so if one works and one doesn't, you have a mechanically bad port. You'll need to replace the hardware to solve the problem. There are usually a lot of bad D600 motherboards on Ebay. Or try to find just the USB port you need. Fairly simple replacement task, but laptop dis-assembly will be required to reach the part.
The USB device could be drawing more current than the USB port can supply or the USB port may be faulty.
Get a powered USB hub and plug it into your computer's USB port and then plug the USB devices into the powered USB hub.
This error occures when a USB device draws more power than the USB port can supply.
To fix this problem, purchase a powered USB hub. Power up the hub and connect it to the laptop's USB port and then plug the USB device into the powered USB hub.
If the usb port is at the front side of the c.p.u then it can be replaced ,but if the usb port of the motherboard is damaged then you have to take it to any repairing centre and fix it for you......because it has to be replaced with any damaged motherboard usb port....Please don't do it yourself..
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