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This article will explain in detail how to check the pull-out time of the u disk in the system log, and the content of the article is of high quality, so the editor will share it with you for reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

The way to check the pull-out time of the u disk through the system log: first open the control panel and find the computer management, add the environment variable [devmgr_shownonpresent_devices] to the system, with a value of 1; then turn on the computer management to delete the removable storage; finally, check the pull-out time of the u disk.

1. Open Control Panel-> Administrative tools-> computer Management

two。 Add the environment variable devmgr_shownonpresent_devices to the system with a value of 1.

3. Run device Manager and open to view hidden devices. Expand the disk drive, store the volume, and remove the Kill associated with the USB disk.

4. Turn on computer management and delete removable storage-related items.

5. Delete the system environment variables added in 1.

6. At this point, it may not be possible to delete all usb usage records in the registry, in HKEY_LOCAL_MACHINE\

There may still be usage records in SYSTEM\ ControlSet002\ Enum\ USBSTOR, and then open the powerful regedt3.

7. Tool, find the item, modify permissions, and then delete the subkey. By the way. Some items related to USB Storage Mass devices in HKEY_LOCAL_MACHINE\ SYSTEM\ ControlSet002\ Enum\ USB should also be deleted.

8. Clear the usage record of the USB disk in the registry

1. Press start-> run, and enter the command: regedit in the input box

2. Delete the USBSTOR subkey of the following directory in the registry.

(1) HKEY_LOCAL_MACHINE\ SYSTEM\ ControlSet001\ Enum\ USBSTOR (2) HKEY_LOCAL_MACHINE\ SYSTEM\ ControlSet002\ Enum\ USBSTOR (3) HKEY_LOCAL_MACHINE\ SYSTEM\ ControlSet003\ Enum\ USBSTOR (4) HKEY_LOCAL_MACHINE\ SYSTEM\ CurrentControlSet\ Enum\ USBSTOR

9. After deleting the above USBSTOR subkey, the general security inspection software cannot check it.

10. If you need to clear the USB usage record thoroughly, after you have done the above, you can follow the following procedure:

1. Delete all records except ROOT_HUB and ROOT_HUB20 under the following USB subkey.

(1) HKEY_LOCAL_MACHINE\ SYSTEM\ ControlSet001\ Enum\ USB (2) HKEY_LOCAL_MACHINE\ SYSTEM\ ControlSet002\ Enum\ USB (3) HKEY_LOCAL_MACHINE\ SYSTEM\ ControlSet003\ Enum\ USB (4) HKEY_LOCAL_MACHINE\ SYSTEM\ CurrentControlSet\ Enum\ USB

11. The permission operation is consistent with the above operation.

2. Delete a5d and 53f under DeviceClasses. Some subitems that contain the word usb, etc.

(1) HKEY_LOCAL_MACHINE\ SYSTEM\ ControlSet001\ Control\ DeviceClasses\ {a5dcbf10-6530-11d2-901f-00c04fb951ed} (2) HKEY_LOCAL_MACHINE\ SYSTEM\ ControlSet002\ Control\ DeviceClasses\ {a5dcbf10-6530-11d2-901f-00c04fb951ed} (3) HKEY_LOCAL_MACHINE\ SYSTEM\ ControlSet003\ Control\ DeviceClasses\ {a5dcbf10-6530-11d2-901f-00c04fb951ed} (4) HKEY_LOCAL_MACHINE\ SYSTEM\ ControlSet001\ Control\ DeviceClasses\ {53f56307-b6bf-11d0-94f2-00a0c91efb8b}\ #? # USBSTOR#Disk & Ven_Alcor&Prod_Flash_Disk&Rev_8.07#2624BFBB&0# {53f56307-b6bf-11d0-94f2-00a0c91efb8b}

The other actions are the same as the previous step.

On how to view the system log u disk pull time to share here, I hope that the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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