Question about Western Digital My Book Essential Edition (WDG1U5000N) 500 GB Hard Drive

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My MyBook says it has 463BGB free space but doesn't act like it

I'm trying to back up a 6GB pst file on my 500GB mybook which presently only has 2GB keeps telling me that there is not enough free disk space...what can I do?

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There is a FileSize limit on FAT32 filesystem that doesn't allow files larger than 4GB. make sure the drive is format as NTFS, or if your using a mac, that won't work and you would need to split the file into to parts.

Let me know if you need anything else.


Posted on Feb 21, 2009

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Somehow the windows might have taken control of the hard drive using it as virtual memory. if you know how to go to the virtual memory section of your control panel try to go there and see if the external drive is being used for this if it is disable it and save. here is how you get there.
At Control Panel | System | Advanced, click Settings in the “Performance” Section. On the Advanced page of the result, the current total physical size of all page files that may be in existence is shown. Click Change to make settings for the Virtual memory operation. Here you can select any drive partition and set either ‘Custom’; ‘System Managed’ or ‘No page file’; then always click Set before going on to the next partition.
now restart to complete settings. after restart check to see if you now can use this space. if not i have another solution,
What you can do since you only have 2 gigs of info is transfer the info onto a dvd so you have a good backup anyhow. or you can transfer the files back to your c:/ drive
now go to 'my computer' and right click it. now goto manage, now to disk management, now you can find your external drive there ( it will say roughly 465 gb) and now right click it and format it using ntfs file system. THIS WILL ERASE ALL DATA ON EXTERNAL HARD DRIVE. so make sure you double check your backup dvd and make sure info is there or check your c drive if you moved files there.

Posted on Feb 21, 2009


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Posted on Jan 02, 2017

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Speed of drive is very slow & creats problem & s many bad sectors

try relocating where you connect the usb cable of your mybook, also check your usb drivers, maybe they are not good or obsolete. finally check the power adapter of the mybook maybe it is low output, or having low output so the read is slow,
you can also check if you have viruses in your mybook, could be also that the drive have bad sectors, chkdsk and fdisk would be a good option.

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My son unplugged his mybook from his machine and plugged a friends in. He could not access any data on the drive. when his friend plugged his drive back on his machine, he was presented with my son's...

Try this:
First, open: Start > Control Panel > Performance Information and Tools

You should see on the left hand side the words "open disk cleanup"
Click on that and pick your C drive in the pop up box. It will automatically analyze your drive and another box will pop up. Make sure all boxes are checked and then delete all the files. These are all unnecessary files that clog up your hard drive space.

Next, do a Windows update (programs > Windows Update). Do all the updates and let it complete.

Next, unplug your external drives and restart computer. After everything restarts and is fully loaded, plug in your drive again.

If Windows tries to install a driver, allow it to do so.

Now see if everything works fine. Hopefully it will. If not, do a complete virus scan on computer with a good, updated virus scan program. You might have a virus. Do it on all the drives including the external drives.

You can also defrag your computer drives to reorganize the files and speed up your computer. Do this by going to: Programs > Control Panel
Performance Information and Tools > then click on Advanced Tools on the left side. This will bring another box up. You will see Open Disk Fragmenter. Now click Select Volumes and select all your Drives that you wish to defragment (I suggest all of them). Then click OK. And then click on Defragment Now. This might take several hours so be ready for it when you do it. Restart your computer afterwards.

Hope this helps.

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If the disc is formatted to FAT32. You will be limited to 4GB files. NTFS is limited to 16 exibytes. Which is huge even by todays standards. 

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It may be due to the file system.  If formated as FAT32 files larger than 4gb may not transfer.  Try reformatting as NTFS to fix the problem.

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The controller board in Mybook might not support files over 4 gb. Check with the manufacturer if there are any new drivers for you product to solve your dilema. You could also just buy a cheap external case for the drive in the mybook and swap it out. None of the new cases have these limitations and you can get them online for less than 20 bucks. I like MAD Dog cases myself. I hope this helps you.

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221 GB Free on MyBook - Error states not enough space for backup

Is the drive formatted as FAT32?

If so, and your backup is more than 4GB, it will not be able to write the file to the drive.

Open a Command Prompt (Start | Run | CMD) and at the prompt type:
Where V: is the drive letter of your My Book.

That will convert it to NTFS and it will be able to handle files larger than 4GB.

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