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My Book external hard drive shows up on the "my computer" list of drives but when I try to access it, the circle just blinks off and on and never opens the drive.

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Have you tried the disk on a different computer?
You can use the Disk Management console in computer management to check if the drive is partitioned and formatted.

ANd maybe try right-clicking the disk and selection properties. See if you can run a check disk on it.

Some more ideas here:

Posted on Nov 17, 2009


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Windows cannot see external HDD

Which operating system ???...
Install a My Book External Hard Drive

Installing a My Book external hard drive will add additional hard drive storage to your computer. The My Book external hard drive is easy to install and can be moved between computers so that you always have your information at your fingertips.
If you are thinking about an external hard drive, the My Book is a great choice because of how easy it is to install and transport, if necessary.

Meet the requirements for using the My Book external hard drive on your computer.
It is adaptable with Windows Vista, XP and 2000. For a Mac, it is adaptable with Mac OS X 10.4.8 or later.
Take the external hard drive out of the box and inspect it.
It should be in good condition with no flaws in the exterior.
Plug the AC adapter into an outlet. Connect the other end into the external drive.

Plug in the USB connection to the My Book external hard drive on the back in the USB port.
Plug in the other end of the USB connection to the open USB port on your laptop or desktop.
The computer will recognize the My Book hard drive right away.

Access the hard drive by clicking the "Start" button at the bottom of your screen.
When the window opens, click on "My Computer."
Under "Devices With Removal Storage" you will see the external hard drive.
Double-click the icon to open a window to display any contents stored on this hard drive.

Access an Inaccessible Drive

You can gain access to a working hard drive that is inaccessible when the system starts and assign it a drive letter under the Windows Explorer interface.
Or, you can import foreign disks into Windows or create a partition and format them.
You can scan a drive for bad sectors or lost clusters and repair the system files to allow access to a corrupted drive.
In short, you can utilize the drives as they were intended to be used by completing some operating-system configuration steps that are occasionally required for some drive installations.

Click "Start" (the Windows Orb) and "Computer" to access the Windows Explorer screen. Right-click on the inaccessible drive and choose "Properties" from the context menu.
Click the "Tools" tab and click "Check Now" under the Error-Checking section.
Select both check boxes to allow the system to automatically fix file-system errors and to scan for and attempt recovery of bad sectors.
Allow the system to run the scan the next time the system is booted.
Restart the computer to complete the scan and check for access after the scan completes.
Click "Start" (Windows Orb) and "Computer" to access the Windows Explorer screen.
Right-click on the inaccessible drive and choose "Properties" from the context menu.
Click the "Security" tab and click "Edit" to change permissions for the drive.
Click "Users" from the Group or User Names section.
Check the "Allow" box for full control and check for access after the settings are saved.
Click "Start" and "Control Panel" and then click "Administrative Tools" and double-click "Computer Management" to launch the utility.
Click "Disk Management" to display a list of all detected drives in the system.
Right-click in the left column of the inaccessible drive and click "Import Foreign Disk" to allow the system to convert the disk signature to a local disk.
Check for access after the settings are saved.
Click "Start" and "Control Panel" and then click "Administrative Tools" and double-click "Computer Management" to launch the utility.
Click "Disk Management" to display a list of all detected drives in the system.
Right-click in the right column of the inaccessible disk and choose "Change Drive Letters and Path."
If no letter exists, click "Add" and assign a drive letter from the list of available letters.
If a drive letter is listed, click "Change" and select a new letter to eliminate any conflicts with other devices in the system.
Check for access after these settings are in place, which may require a restart of the system.
Click "Start" and "Control Panel" and then click "Administrative Tools" and double-click "Computer Management" to launch the utility. Click "Disk Management" to display a list of all detected drives in the system. Right-click in the right column of the inaccessible disk and choose "New Simple Volume" to create a partition and format it for use.
Click "Next" when the New Simple Volume Wizard appears.
Click "Next" to accept the maximum size for the drive.
Click "Next" to accept the suggested drive letter assignment.
Click "Next" to format the volume with the suggested defaults or change them if desired.
Click "Finish" to format the drive and make it accessible to the operating system.
Restore a Drive That Is Not Accessible
Microsoft Windows operating systems support a large number of file system formats including FAT12, FAT16, FAT32 and NTFS.
Hard drives are typically formatted with either FAT32 or NTFS, both of which can be used for years without issues.
Damage can occur to the file system through a sudden power outage, malicious software or lack of maintenance, rendering the drive unreadable or inaccessible.
Run the Chkdsk utility in Windows to resolve file system corruption and restore access to the hard drive.

Select the "Start" or "Globe" button and then click "Programs." Click "Accessories" and then right-click the command line icon in the menu that appears.
Click "Run as Administrator" in the drop down menu that appears.
The command prompt will display.
Enter "chkdsk C: /F" substituting the "C:" with the letter assigned to the drive that cannot be accessed, and then tap the "Enter" key.
Enter "Y" and tap the "Enter" key if a message appears that states "Would you like to schedule this volume to be checked the next time the system restarts? (Y/N)."
Let the disk scan run and fix the drive, or if the scan does not start, reboot and let the scan run and repair the drive.
Enable Drive Letter View

Click the "Start" button and choose "Control Panel" from the start menu.
Click "Folder Options" and navigate to the "View" tab.
Scroll down and place a mark next to "Show drive letters," then click "OK."

Configuring Drive Manager

Click the "Start" button to launch the start menu.
Right-click "Computer" and choose "Manage" from the menu.
Click "Storage" in the menu on the right side to extend the section.
Click "Disk Management" under the "Storage" header.
This will show you a list of drives and removable storage on your computer.
It will also report the status of the drives, such as "Healthy."
If the removable storage does not have a drive letter or has a drive letter in conflict with another drive, you can assign it a new letter.
Right-click the icon of your removable storage drive and click "Change Drive Letter and Paths."
Click the "Change" button, then choose a drive letter from the drop-down menu.
Select a letter that is near to the end of the alphabet to prevent drive overlap issues.
Click "OK" to allow the changes to take place.
You should now see the removable storage listed with your other drives on the "My Computer" screen.

Sep 06, 2013 | Western Digital My Book Essential Edition...

1 Answer

New 1TB My Book Essentials ext drive not recognized by laptop

There are times when external drives need to be inialized and formatted before they can be recognized by a computer. There are other times when the drive letter that the external is looking for is already being used and it does not show up.
You can use the disk management utility to initialize, format or change drive letters around. You do not want to change your C drive, also usually called drive 0. Below are directions for accessing and utilizing this tool:

Right click on you "My Computer" Icon

A menu will open

Chose "Manage"

The Computer Management window will open

The Computer Management window is broken down into 3 sections.

The first section on the left side of the window shows a menu. Disk Management is on the lower portion of the menu.

The right side is separated into two sections, top and bottom. The top portion shows a list of active drives on the computer. The lower portion shows all drives connected to the computer. CD or DVD drives that have not disk will not show as active drives on the top section, but can be seen in the lower section.

The lower section will show the drive description, drive size and drive condition (online or off line) in small box on the left side of that section. Disk drives will designate a "Drive" and a number. Drive 0 is usually your internal hard drive. Then it would list drive 1, drive 2, etc, depending on how many internal and external drive sources you have connected to your computer. Then it will list your CD drives and generally show their drive letter assignments.

Next to the smaller section described above, is a larger section which shows the driver letter, size of the driver and condition (if working correctly will show "healthy")

This is the area you can right click and get a menu that will allow you to open, explore, mark the partition as active, change the driver letter, format the drive or delete a partition. (A note of caution here. Changing the driver letter on your main hard drive partition will cause windows to stop functioning. The main hard drive, or hard drive partition, is normally given the letter "C".) A hard drive may show two or more partitions with separate drive letters designated for each partition.

A drive that is having a problem may show that it needs to be formatted (status as Unformatted). This can be done from this window. An external drive, whether it is a hard drive or CD/DVD drive, can have the letter designator change done if you want to organize your external drives. There are times when a drive will not show up because the drive letter that they are programmed to use are taken. Most USB drives are programmed to us the letters "F" or "G". In this area, you can assign the USB drive any drive letter that is not being used and this will make it visible in windows.

This should get you to see your external. If you don

Jan 16, 2011 | Western Digital My Book Essential 1TB...

2 Answers

My WD My Book Essential 1TB External is not showing up on 'My Computer'. It was working perfectly in the morning, then when I rebooted my machine it no longer showed up.

disconnect your WD ext HDD. and reboot your computer. then connect again. if still not showing. go to device manager (right click my computer then properties -- click device manager). expand by clickin "Disk drives" category here it will show all the hard drives installed in your computer including your WD ext HDD . if you see yellow sign on your external drive right click and remove then go to Action menu click on Scan for hardware. it should detect and install the driver again. if still the same or maybe its not on the list of Disk drives.. try to change another USB cable .. i hope this will help

Jan 03, 2011 | Western Digital My Book Essential 1TB...

1 Answer

External Hard Drive won't respond

ok 1. you need to be sure that you can`t have acces anymore by usb to the external HD... try in another machine example a other laptop.. or you need to open the HD and connect to other way with a new conector that sell in comusa or other computer store... pls click that my solution was usefull

Dec 27, 2009 | Acomdata E5 HD320UHE5-72 320 GB USB 2.0...

3 Answers

WD My Book not displayed in windows explorer as drive letter

try other usb port, or other computer and see whether the hdd is detected. If still not, try to go to device manager ( ), and then assign a drive letter to the hdd. After that, try to access it from Computer, if not able to access it, format it (use quick format) and then use this program to recover your files.

Sep 24, 2009 | Western Digital MY BOOK HOME 1TB EXT...

1 Answer

Western Digital External Hard Drive Won't Boot Up

Take it our of the external encasing and plug it in directly to your motherboard. This has worked for me in the past. I just had my second wd external harddrive crash so now I will do the same process all over again.

Jan 26, 2009 | Western Digital My Book Essential Edition...

1 Answer

External drive not showing up at all

i was working with (easy hard lock) and than i lock my external hard drive
now i cant get access to my external hard drive
(the program said dont lock external hard drive but i did i didnt know that )

can someone help me please

Jan 21, 2009 | Western Digital My Book Essential Edition...

2 Answers

My Book Essential does not show on My Computer - Can't access files.

No matter what I tried, I ws unable to get my "MyBook" working. My solution? Remove from case and voila, it's just a seial ATA drive attached to a small circuit board which converts it to USB. Disconnect from the circuitboard and plug into the motherboard. Imstant success. It failed as an external drive three weeks after the warranty ran out. WD support was zero help.

May 25, 2008 | Western Digital My Book Essential Edition...

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