How to keep people from copying the files in a USB drive
U disk is very small and small, and many mobile phone functions also with U disk function, so want to copy some files from other people's brain, it is very simple things, so that the information on the brain there is a great threat, in fact, in the Win7 system do not worry about this problem, we can set to
Believe that many Win7 users in the copy files to the USB flash drive, have encountered such a problem, that is, can not copy more than 4G files to the USB stick, how to solve this problem? Today, we will look at the solution of this problem with you.Setup method:1, first will need to convert the
The USB interface reads and writes files, that is, the USB large-capacity storage device, that is, the USB flash disk. The project mainly reads data from the SD card of the Development Board as a USB flash drive.
The knowledge involved includes the
What is the reason why the files on the USB stick are hidden for no reason?
The simple answer is: Your USB stick is poisoned. Don't worry, here's what you can do to open the files on the USB drive.
First click on the "Start" menu and click "Run", in the Run input cmd plus
In fact, the small part of the U-disk system is not a lot of attention, read the small articles of friends know, write U disk skills is not a lot of, so sometimes encountered a U disk fault also need to check the data, as today, in a friend copy some information, because there are pictures, and video, There are flash files and so on, and more information, so quickly, roughly looked at, already almost 5 G, because the fear of compressing the file will
If the format of the USB flash drive is FAT32, the number of copies of a single file cannot exceed 2 GB;If the USB flash drive format is NTFS, copying a single file is not limited.How to convert it?In Windows, open the command line window and enter the command convert K:/Fs: NTFS (k is the drive letter recognized by your USB flash drive and then recognized by win
After printing it back in the text printing room, all the folders in the USB flash drive are hidden, and the "hidden" items in the folder attributes cannot be changed. You can use the command line to solve this problem: first, press win + R to open the "run" window. Enter cmd and press enter to open the Command Prompt window. If the drive letter of the USB flash drive is H, enter the following command:
At
seen, the insertion process system of the corresponding situation(3), sudo fdisk-l use this directive to view the partition of the U-disk (Here I am the/DEV/SDB1 partition), and use DF to see the mount point of the U-disk (My U-disk is mounted on the/MEDIA/LQ/USB)(4), Execution instruction Umount/media/lq/usb----Unloading the U-disk(5), execute instruction sudo dosfsck-v-a/dev/sdb1----Repairing the U-disk
In general, the USB stick is a more private tool, is a personal use to store their own feel more useful files, of course, this file can be both working documents, but also to make private documents, but anyway, these files are personal, are not willing to be taken away by others, So in addition to the general USB drive
For video monitoring users, writing video files is almost a required step. Here, I will give an example of video file writing. First, use opencv to capture the video from a USB camera, and then write the video frame into the video file. Before writing a video file, there are two reminders:
(1) opencv is only a tool library for image processing. It is not a tool library for video processing! That is to say,
(For example, if the U disk space is 8 GB, but a file with 5 GB is not allowed.) This is probably not because the U disk is broken, but the format of the U disk is incorrect (of course, the U disk may be fake, because the capacity is not enough ). Because your USB flash drive is in the format of FAT32 file system, this file format does not support single files larger than 4 GB. What should we do? Convert th
Now the USB flash drive is getting bigger and bigger, and 8 GB is very common (I am 8 GB ). When we buy such a large USB flash drive, we will inevitably want it to copy large files, such as HD videos and Hard Disk Images. However, I found that some USB flash drives cannot copy file
Encountered several times in this case, a typical virus. On the Internet to find a method, with a good, immediately exclamation the sharp NetizenSteps:(1) Create a new text document(2) Open this document, enter "attrib-s-h-r * * * * * * */s/d" (without quotation marks, note the space is not limited!) ) Save exit(3) The modified file name is *.bat, that is, the file name is arbitrary, the suffix is bat (note that disgusting windows automatically add the. txt suffix, file type is selected as all
Some of my friends have encountered this problem on the USB flash drive. There is no problem in directly running the files in the USB flash drive, but there is no way to copy or delete the files. A warning is displayed:
Here is a solution for you. First, create a batch file. bat. You can set the file name as needed.
Three virus files, ghost.pif, win.exe, and servet.exe, are included on a USB drive.
EndurerOriginal1Version
In the afternoon, a colleague used a USB flash drive.You can use WinRAR to view three virus files.
File Description: I:/ghost. pifProperty: ash-An error occurred while obtaining the file version information
A friend bought a 8G u disk, he went to a USB flash drive to copy a 4.3G system file system on the prompt error, and this U disk is 8G total capacity Ah, he can not help worrying, think he may buy a fake, and want to find me with him to find a merchant replacement products!
In fact, the above situation is not a problem with his U disk. It's all a file system! The original current mobile memory, including U disk, mobile hard disk, etc., are used in th
The USB flash drive is accidentally disconnected when transferring files, so that one file cannot be deleted anyway.
Unlocker reminds you to run chkdsk, so you can search for its usage. It can indeed repair damaged USB flash drives.
Chkdsk
Create and display the disk Status Report based on the file system used. Chkdsk also lists and corrects disk errors. If no p
Today to customers copy environment virtual machine, compressed after 12G, bought 35G USB flash drive, unexpectedly can not be copied into, the hint file is too big.So Baidu learned: http://www.laomaotao.org/cjwt/824.htmlThe reason why a file larger than 4G can not be copied is the file system format of the U disk. The default file system of the USB drive is FAT32, and this system format can only hold
connected to the computer, I suddenly found that all of the photos are missing, what is the matter? Clearly it is a copy of the Ah! What's going on? So I hastened to search the internet for a bit, did not expect that, incredibly still have such a situation has occurred.Finally, in a Netizen's introduction, found a disk called data Recovery tool software, this software finally helped me to find the lost USB flash drive photos, more than 300 photos of
Today, I used an offline wikipedia package from a machine in the lab. I used a USB flash drive to copy the package to my computer and use an 8 GB USB flash drive, if I try to reformat it to FAT32, I still don't know if the disk is full. I am wondering how the space of 7 or more GB is full after formatting, I remember that this was also the case before. When I copied a video of about 7 GB, I was prompted tha
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