Zentimo is its bigger brother, with even more features. Microsoft's own DevCon is the command-line version of Device Manager. For example:. Someone asked " Is there a DOS prompt cmd. In such a situation, the following method using Diskpart should work:.
Note the volume number of the USB drive carefully use listed properties such as drive letter, label, type and size for help. With a Command Line or PowerShell , how can I tell Windows to safely remove the hardware automatically without user input?
Run this command: RunDll Since it's a backup device, it means it's a storage device, therefore it can be done from powershell - just replace X: with your desired drive letter:. According to this 7tutorials-article , you can enable safe unplugging by setting "Quick removal".
This will disable write caching per device , of which the performance impact is "negligible"? Their steps for Windows 7 are below. Edit According to this howtogeek-article , you should still be careful when setting "Quick removal". This will disable write caching, and will thus prevent most problems. End of edit. Edit Note that you need to use Device Manager to change the setting, it can not be done from the File Explorer.
At least in my Windows 10 edition. Couldn't find an internal command thanks MS , not a single script out there worked either, removing letter is a poor way to do eject, interactive way is also not cool, and hate to use 3rd party tools. In my case, using something that's on my drive for 20years: the inhouse Microsoft Windows Sysinternals helps the case:. Sign up to join this community.
The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Asked 9 years, 6 months ago. Active 1 year, 9 months ago. Viewed k times. Improve this question. Peter Mortensen Canadian Luke Canadian Luke That is correct. Worse, if you have assigned a non-consecutive drive-letter to the volume, then plugging it into a new port will not retain that letter, and it will get the next available letter and you must assign a letter manually again.
Oddly enough, if you plug a drive into a port and let Windows install drivers for it, then assign a non-consecutive drive-letter to it, then unplug it an plug in a different drive that is of the same make, model, and size, then Windows will treat it exactly as though you plugged in the previous drive again. Could you update title to be correct. Add a comment. Active Oldest Votes. Improve this answer. This ended up working for me. Interestingly an WqlEventQuery I have wired up still waits to fire until you physically pull the drive out.
Don't know a ton about this stuff, but it surprised me. Doesn't happen to be an issue for me in this case. RemoveDrive is good, but the problem is that it actually removes the whole drive. For card-readers, instead of simply ejecting the card like right-clicking and selecting Eject from My Computer , and allowing you to plug another on in, it removes the whole card-reader, requiring it to be physically unplugged and re-plugged, or worse, rebooting if the card reader is built in it is possible to do it through software but it is annoying.
You can run it from cygwin too. Community Bot 1. Karan Karan Thanks for taking time to respond to my question even after SU closed it. I went ahead and acted on Jared Tritsch's suggestion and removed the drive just by removing it. The default Removal policy in Windows for removable devices is Quick removal , which disabled write caching and allows one to remove the drive without needing to safely remove it first.
See this screenshot for more. Thus Jared's suggestion about yanking the drive shouldn't ordinarily cause data loss if removable drives are treated the same way in the Recovery Console as well.
Still, for peace of mind I always take care to safely remove each drive before pulling it out. Might be a placebo, but keeps me from worrying. Be careful with Diskpart - it's powerful and hence quite dangerous. To undo the remove all dismount command you must use the mountvol command. For more information see Technet library here and also here.
I copied a unique hardware ID to the clipboard, typed "devcon remove " and then pasted the hardware ID. Devcon showed the whole hardware ID of the drive and responded, "remove failed".
There were no errors in the Event Viewer, Application or System. The way the author of USB Disk Eject speaks, it sounds like ejecting a disk is a lot more than just removing an item from the Device manager, which usually calls for a reboot anyway.
Hi, I couldn't help notice that you are using this for a backup, which means you aren't too worried about speed or performance. If that's true than you don't need to use Safely Eject. Essential this disables write caching to the USB drive, but for backup that doesn't really matter, and according to the article, the performance degradation in speed is not considerable. Yes, I know it's a 2 year old thread but I stumbled across it, so thought this may help someone else! UNIX provides a standard utility called Sync, which can be used to direct the operating system to flush all file system data to disk in order to insure that it is stable and won't be lost in case of a system failure.
Otherwise, any modified data present in the cache would be lost. Here is an equivalent that I wrote, called Sync, that works on all versions of Windows. Use it whenever you want to know that modified file data is safely stored on your hard drives. Unfortunately, Sync requires administrative privileges to run.
This version also lets you flush removable drives such as ZIP drives. Specifying specific drives e. I wouldn't use Sync. I had a nightmare when I did this on a USB drive. After I did Sync -e, I couldn't see the drive after reinserting it. I had to clean out all the USB history from the registry for that drive and let it detect again. Office Office Exchange Server. Not an IT pro? Windows Client. Sign in. United States English. Ask a question. Quick access.
Search related threads. Remove From My Forums. Answered by:. Archived Forums. Windows 7 Miscellaneous. Use this forum to discuss miscellaneous issues that cannot be covered in any other Windows 7 forum.
Sign in to vote. Wednesday, February 15, PM. Thanks to All for your help! Sunday, February 26, AM. Couldn't find any built in feature but this looks like it will do what you want.
Hi, Regarding your requirement, I suggest posting in Script Forum. Friday, February 17, AM. Thanks, folks, for the suggestions. I tried the links suggested.
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