Home > Windows files > dmio.sys

How to eliminate dmio driver problems

The dmio.sys (NT Disk Manager I/O driver) file is a Windows driver. Generally, drivers are used by Windows to enable internal components like graphic cards and drives, or external devices, such as printers, backup media or input devices.
Click here to check if you need to update your dmio driver.

The dmio.sys process is also known as NT Disk Manager I/O Driver and is a part of Logical Disk Manager Driver. This software is produced by Microsoft Corp., Veritas Software (www.symantec.com). An obsolete or defective version of dmio.sys can cause problems for your computer that can range from slowness to error messages such as these:

Free PC Check

Take advantage of our Free Computer Check to identify problems with dmio.sys

Scan your computer today at no charge with the Windows Repair Tool. This tool helps repair Windows and helps it run faster.

What you should know about dmio.sys NT Disk Manager I/O driver

dmio.sys is part of Windows. The file dmio.sys is found in the C:\Windows\System32\drivers directory. The file size is 153,344 bytes.
If necessary, you can manually stop or start this driver in the Device Manager. The Device Manager can be found in Windows Control Panel under Hardware and Sound/Devices and Printers/Device Manager. The driver facilitates access to your computer's hardware and accessories. The dmio file is part of the operating system. The program executes in the background, and can only be terminated using Windows Task Manager. There is no concrete documentation available for this service. The file has been digitally signed by Microsoft itself to guarantee its authenticity. dmio.sys appears to be a file that was compressed by an EXE-Packer. This technique is often used by trojans to keep the file size small and also hamper debugging efforts. However, this in itself is not sufficient reason to presume malicious intent, since even well-intentioned, professional software producers take advantage of compressed files. For this reason, 4% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves dmio.sys. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about dmio?

computor is saying "dmio.sys is corrupt"
Michael Noble
In Windows Server 2003 controls the I/O request processes. If it can't handle to many requests the OS stop, while it's starting. (further information...)
Hector W Velez
pc is saying " The file dmio.sys is corrupted Press any key to continue
From many many errors from my computer!
for window

Summary: 7 users judge dmio.sys to be an essential file that should not be touched. 2 users consider it harmless. For this reason, one user has already deleted dmio.sys. source: file.net

How to uninstall Logical Disk Manager Driver

dmio.sys NT Disk Manager I/O driver fix

To remove NT Disk Manager I/O driver from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. In Windows 8, look for Control Panel.
  2. Click Control Panel.
  3. Click Uninstall a program.
  4. Look for Logical Disk Manager Driver in the list of available programs.
  5. Click Uninstall.

How to tell if dmio.sys (NT Disk Manager I/O driver) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of NT Disk Manager I/O driver. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for NT Disk Manager I/O driver or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or dmio.sys is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

Users with an interest in dmio.sys have also been interested in: dmio.sys [index]