D-Link DUB-C2 does not recognize external storage device
I perchased the D-Link DUB-C2 PCMCIA USB hub but the D-Link DUB-C2 does not recognize external storage device.
it does recognize the USB Mouse. but when connecting external USB storage device, it shows unknown device.
the same USB storage device is working properly when directly connected to the laptop USBs
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You have to do some steps about fixing this problem :
1: Go to Device manager by right click on my computer then manage and then device manager.
2: Go to universal serial bus controller and export it.
3: in each USB root hub right click and then properties.
4: In properties screen select power management tab and unmark on " allow the computer to turn off this device to save power ".
5: After finishing this steps in each USB root hun restart your computer and then done
Open Run and launch regedit Browse to the following location HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR In the right pane, look for an entry named Start. If you find one delete it. Your USB devices should start working immediately. If not please report back.
You might think about a USB hub for all your USB devices. ps2 port is more or less dedicated for mouse, which is why your mouse pointer is stuck in the middle of the screen. Go ahead and get an externally powered USB Hub to power other USB devices. To answer, ps2 for mouse needs just a mouse, not USB device.
Probably a power issue. Your new computer has less extra power capacity and the external drive is pulling from the USB port power.
What you need is a USB hub with an AC adapter that powers the hub and any devices that are connected to it from the external AC power adapter and NOT from the USB bus. In other words look for an external power adapter that plugs into the wall as well as into the USB port. Don't get a recharger for an iPOD as that will not do you any good. And don't get a hub that says "powered" or "external power" that does not have an AC power adapter because it is still sucking power off of the USB port.
Try shopping for a D-Link DUB-H4 High Speed USB 2.0 4-Port Hub. It is a good choice if you are not going to plug any USB 1.1 devices into it. Read the reviews for any device you choose.