电脑主板密码设置（Computer motherboard password settings）.docVIP

电脑主板密码设置（Computer motherboard password settings） Computer boot password settings (a) Set boot password, password settings file, set the screen saver password are some protective measures beneficial, but also can not effectively to overdo password, because the password for professionals who are very easy to crack. But for the general office environment, setting up the password is still quite effective. Lets take a look at how to set the boot password in BIOS. After booting, press the Delete key of the keyboard to enter the BIOS interface. Find the User Password option, which defaults to a closed state. Activate and enter the user password (1~8 digits, in English or in numbers). Computer prompts, please enter again to confirm the password, save, quit, restart the machine, then there will be a password menu when you turn on the machine. System level encryption Three, professional encryption Four, write in the end This paper discusses the common encryption and decryption operations from two perspectives of users and attackers, but does not involve network attacks and so on. But also know, the attacker will not only use the above software to crack, the purpose of this article is to let everyone know about empathy, the attackers ideas, make known he know. Finally, the author summed up the ten principles of computer security operation, and share with you, as the end of this article. 1. pay special attention to your host. Getting a stranger in touch with a mainframe is the most dangerous beginning. 2., constantly upgrade your operating system and antivirus software. Download the new version of the SP package (Service Pack software patch) to plug the known operating system vulnerabilities; update the latest antivirus software to prevent viruses or trojans from entering the computer. 3. important documents must be encrypted at the file level. In this way, whether the file is copied to any computer, you need to decrypt it before you use it to increase the security of the files