Thus Windows cannot stop the device and interrupt the process that is accessing the disk. However, Windows does not give any further assistance or a clue to know which program is interacting with the generic volume.
At this point, if you unplug the USB device without concerning the error message, you are likely to end up with really bad situations such as data loss or even USB drive broken.
You can copy and paste some files on hard drive instead of the USB disk. Then you can try removing the USB drive. Improve this answer. Community Bot 1. Anything that can tell you what is holding the drive is good.
I've gotten this after I closed everything, all explorer windows even. So sometimes Windows just doesn't want to let the drive go. Joshua, I have felt that sometimes Windows is Indexing the drive and holds it for that The " -i " option on RemoveDrive disables the indexing service for a moment to remove the drive.
Re unlocker: Note that this is dangerous. You will be able to remove your pen drive but you risk corrupting future files when a file handle gets recycled and both the new and the old program try to write data to it. Relevant article on technet which talks about closing file handles for deletion, but the same holds in the pendrive case.
Computer service Perth Computer service Perth 91 1 1 silver badge 1 1 bronze badge. Thanks, but wtf? What is this "indexing"? And why doesn't Windows just pause any indexing when you click "eject"? There are several reasons to USB being undismountable: It's in use. Please note that if you're looking at the disk in Explorer, then it's in use!
Windows is finishing copying a big file to or from the disk rarely the reason A bug in Windows causes conime. Wait, and then try again. It might work a few seconds later on. Even if it fails, it still tells you which programs are using what files I paid. I deleted about 1TB of data, and it looks like the process completed, but the drive will not eject safely. In the popup window click on "Hardware". Identify the drive and left click on it once to highlight it, then click the properties box.
Click on "Change settings". Click on the Policies tab and select "Optimize for quick removal" and click OK. If you're sure that none of your own processes are still in use on this USB just pull it out.
NewSites 1 1 gold badge 4 4 silver badges 13 13 bronze badges. This method is so much better than all the rigamarole of the higher-rated answers. Peter Mortensen Actually you can't! You'll hear the drive click.
But if it's ejected the click doesn't happen. I don't know if that matters, but I've had problems with two external hard-drives drive appeared unformatted , I suspect it was because of such shutdowns Alex If you shut a computer down, it can't be using a drive if it doesn't have any power.
Shutting down the system was my solution until chkdsk started finding errors after doing that. RockPaperLizard Then there's something wrong with the software. The OS told the program that it's shutting down, it still didn't flush writes and close the file. There's nothing you can do at that point besides smack the developer on the head. RockPaperLz- Mask it or Casket 6, 22 22 gold badges 63 63 silver badges bronze badges. Looks like a great app, but did not work for me.
Still getting a 'The disk could not be ejected. Step 1: Right-click the taskbar and then choose Task Manager from the menu. Step 2: Under the Processes tab of the Task Manager window, locate the explorer.
Step 3: Once you locate it, right-click it and then choose the End task option. When your USB drive has not been configured for quick removal, you may be unable to eject the drive and receive the error message.
Step 2: Switch to the Hardware tab of the Properties window. Step 4: Another similar mini window will show up. On this window, switch to the Policies tab and then select Quick removal default from the Remove policy section. Many users have solved the issue after forcing their USB drives to be the offline mode. So, have a try. However, lots of users said that the Offline option was unavailable in Disk Management. So, to ensure the fixing process goes smoothly, here we would like to show how to force a USB drive in the offline mode using DiskPart.
Step 2: Once the Command Prompt window opens, type diskpart and then hit the Enter key to initiate the DiskPart utility. Step 3: Then, run the following commands to force your USB drive to be in the offline mode. Note that you should hit the Enter key after typing each command. Now you can remove your USB drive from your computer physically.
But you should get the USB drive back online when you plug it in again. To get it back online, you just need to follow the above steps but change the last command to online disk at this time. There are many ways to change the drive letter. I've tried closing absolutely everthing out including Windows Explorer--that doesn't work. I've used task manager to kill all the processes and stop services that might be using the external drive in some way--that doesn't seem to work either.
But there are so many processes and services and it's hard to tell which ones might be preventing the drive from being ejected. I tried to kill all those that say Western Digital. I tried to kill the explorer. None of this works. I realize that I can just shut down my computer but I want to be able to safely remove the external drive without having to shut down.
I also tried a program called EjectUSB and that didn't work either.
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