In an XP system, if you want to encrypt a file usually use Third-party software, and in the Win7 system, if you want to encrypt the file to consider the system with the software BitLocker, but use this we need to pay attention to some things, the following one by one instructions.
1
Open BitLocker encryption Feature
Normal system, right keystroke has enabled BitLocker, if your system is useless, it may be to shut down the service, we need to open. All we need to do is to turn on the "ShellHWDetection" and "bdesvc" services in the system services.
2
Save the recovery file.
According to the prompts, step by step set encryption settings, generally choose to use password encryption can, the special need to focus on is that we need to save the recovery password to the unencrypted partition file, and can not be saved in the root directory. And be sure to remember to save the location and avoid forgetting your password.
3
The encryption speed is slow
The encryption speed of the software is not very fast, depending on the size of the file different encryption time, generally speaking, 4G file encryption speed needs 10 minutes. But a lot of people don't have the same speed.
4
How to use the encrypted USB disk under XP
U disk only FAT32 format to use in XP system, if not this format in the XP system will only prompt you the U disk is not formatted and if you format will lose all data.
The above is about Win7 to use before using BitLocker need to know, before using a thing we should understand its advantages and disadvantages, as well as the use of methods and considerations, before considering whether to use it.
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