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Go into device manager and look at your Universal Controller Bus (USB). Make sure you don't have any that has a Question Mark or Exclamation Point on them. It looks like somewhere you don't have the correct drivers. Are you sure your USB Ports are 2.0?
Your USB hub cannot provide enough power for your external hdd, you can try to plug it in directly to any free USB port for the mean time to check if its detected or not, if it has a power button ( which is not normal for regular USB powered EXT HDD) make sure that it is on, if its still not working try to use a different cable, a known good cable or plug it in to a different computer to check if its your USB port, or the usb cable or the ext hdd that is causing the issue
Plug the USB in your com, Open the my computer, you see your USB drive there just right click and select format option to clean the USB, but before formatting make sure you don;t have Important data inside the USB.
I don't think so you have described properly your problem.
1. USB cable to Casing its completely a USB Device/Drive so where you plugged it? 2. "The Laptop does not see the drive or the USB adapter when its plugged in" you mean BIOS? 3. Windows 7 Pop Up Autoplay window what opens when you try to open it?
Before you start installing the driver, please don’t plug your USB TO Serial Adapter into the USB port of your computer.
Follow the steps below to install Windows® 98 or Windows® ME driver
5.1 Turn on the power of computer and make sure the USB port is enabled and can
working properly.
5.2 Insert the driver of USB-SERIAL ADAPTER into CD-ROM drive.
Select “Install Products - USB-SERIAL ADAPTER - Install”.
5.3 Select the “Next” to install.
Before you start installing the driver, please don’t plug your USB TO Serial
Adapter into the USB port of your computer.
Follow the steps below to install Windows® 2000 driver
6.1 Turn on the power of computer and make sure the USB port is enabled and can
working properly.
6.2 Insert the driver of USB-SERIAL ADAPTER into CD-ROM drive.
Select “Install Products - USB-SERIAL ADAPTER - Install”.
6.3 Select the “Next” to install.
Before you start installing the driver, please Don’t plug your USB TO Serial Adapter into the USB port of your computer.
Follow the steps below to install Windows® XP driver
7.1 Turn on the power of computer and make sure the USB port is enabled and can
working properly.
7.2 Insert the driver of USB-SERIAL ADAPTER into CD-ROM drive.
Select “Install Products - USB-SERIAL ADAPTER - Install”.
7.3 Select the “Next” to install.
.1 Driver Installation (MAC OS X)
8.1.1 Power on your computer and make sure that USB port is enabled and working
properly.
8.1.2 Insert the USB adapter software driver into CD-ROM driver.
8.1.3 Click "USB-SERIAL ADAPTER\DRIVER\MAC\OS X " folder run on
"PL2303_1.2.1r2.dmg", it will auto run the program and appear "PL2303
driver" folder in the desktop.
8.1.4 Click on "PL2303 driver" folder , execute "USBSerialOSX1.0.9b6.pkg" will auto
install, you may change the driver directory that you want to install.
8.1.5 System will demand restart computer.
8.1.6 Plug in the USB-Serial adapter into USB port.
8.1.7 To make sure that your computer can use the device, you have check the
"Apple System Profile"-"Device and Volumes".
It will show the USB Device.It will show in USB port "USB-Serial Controller".
8.2 Driver Installation (MAC OS 8&9)
8.2.1 Power on your computer and make sure that USB port is enabled and working
properly.
8.2.2 Insert the USB adapter software driver into CD-ROM driver.
8.2.3 Click "USB-SERIAL ADAPTER\DRIVER\MAC\OS_89" run on
"PL2303_OS9_v136b1.hqx",it will auto run the program and appear
"ProlificUSBSerial" file.
8.2.4 Copy "ProlificUSBSerial" file into "system folder"-"Extension".
8.2.5 Plug in the USB-Serial adapter into USB port.
8.2.6 To make sure that your computer can use the device, you have check the
"Apple System Profile"-"Device and Volumes".
It will show the USB Device.It will show in USB port "USB-Serial Controller".
Follow the steps below to install driver of USB-Serial adapter:
hope that helps you
use only the rear USB port of desktop, because by using any extension or hub there is a voltage drop so that why it is not recognisezed, only use the rear USB port and use the orignal cable or branded product USB cable, loose cable also dont work with it.
You can try format USB, if you system see that USB device. You can also try clean USB contact.
Try USB on another comp.
If this steps don´t help you, buy another.
I see many comp. with problem on front usb port. In some case USB port isn´t right plug in motherboard, or is everything OK but they don´t recognize USB stick.
Only one, don´t lose you time with that, don´t use that USB port.
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