Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 152 开机密码忘了怎么办
- 分类:win8 发布时间: Warning: Use of undefined constant newstime - assumed 'newstime' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 156 2013年03月27日 00:00:00
【开机密码忘了怎么办】很多朋友很喜欢给自己的电脑设置开机密码以确保电脑隐私的安全,但是很多马虎的电脑小主在设置号密码后转眼就忘记了。那么我们忘记了电脑的开机密码怎么办呢?别急。装机吧的小编给大家提供几个好方法。
方法一:利用“administrator” 更改密码
要使用这种更改密码的方法,前提是administrator用户没有设密码,在登录界面上,按住Ctrl+Alt键,再按住Del键二次,即可出现经典的登录画面,此时在用户名处键入“administrator”,密码为空进入,然后再修改“×××”的口令即可。
方法二:系统安全模式修改密码
1、启动电脑,出现启动画面后按F8进入“带命令行的安全模式”。
2、系统列出了系统超级用户“administrator”和本地用户“×××”的选择菜单,鼠标单击“administrator”,进入命令行模式。
3、键入命令:“net user ××× ****** /add”,强制将“×××”用户的口令更改为“123456”为"net user ××× 123456/add"。若想在此添加一新用户(如:用户名为abcdef,口令为123456)的话,请键入“net user abcdef 123456 /add”,添加后可用“net localgroup administrators abcdef /add”命令将用户提升为系统管理组“administrators”的用户,并使其具有超级权限。
4、再次重启电脑,选择正常模式下运行,这样我们就可以用更改后的命令“123456”登录“×××”用户了。
方法三:PE界面下修改登录密码
1.下载一个装机吧U盘制作工具:http://www.kkzj.com/,制作U盘启动。
2.在BIOS里设置U盘启动。
3.进入U盘里的PE系统,选择“开始→程序→Windows系统维护→Windows用户密码修复”菜单。
4.选择Windows目录一步,选择系统目录,比如“C:\Windows”。 创建新的管理员用户(如设置用户名为a,密码为a),点“应用”按钮,就会生成一个新的超级管理员账号。
5.重启电脑,我们就能通过新创建的超级管理员a账户进入系统。然后再修改超级管理员administrator密码即可。
方法四:SAM文件删除
除了上面那些方法,我们也可以找到SAM文件,将其删除。
方法五:CMOS放电清除密码
目前的主板大多数使用纽扣电池为BIOS提供电力,也就是说,如果没有电,它里面的信息就会丢失了。当它再次通上电时,BIOS就会回到未设置的原始状态,当然BIOS密码也就没有了。
CMOS放点的方法:打开电脑机箱,找到主板上银白色的纽扣电池。小心将它取下,再把机箱尾部电源插头拔掉,用金属片短接电池底坐上的弹簧片,大概隔30秒后,再将电池装上。
责任编辑:装机吧小鱼 版权所有,转载请说明出处!
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