Hard reset or 30/30/30/zh cn

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(= 硬复位(又名 30/30/30 复位大法) 应在每次升级固件 '''前''' 和 '''后''' 都做一次=)
 
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</center><br> </center><br>
-====硬复位(又名 30/30/30 复位大法):====+'''
-30/30/30 硬复位【即插电30秒 断电30秒 再插电30秒】 <br>+== = 硬复位(又名 30/30/30 复位大法) 应在每次升级固件 '''前''' 和 '''后''' 都做一次= ==
 +'''
 +30/30/30 硬复位【即插电稳定后,按复位键不松开30秒 不松开断电30秒 不松开再插电30秒】
The following procedure will clear out the NVRAM and set dd-wrt back to default values: The following procedure will clear out the NVRAM and set dd-wrt back to default values:
<br>以下操作将会清除 NVRAM(非易失性存储器)[http://zh.wikipedia.org/zh-cn/NVRAM]: <br>以下操作将会清除 NVRAM(非易失性存储器)[http://zh.wikipedia.org/zh-cn/NVRAM]:
-<br>* With the unit powered on, press and hold the reset button on back of unit for 30 seconds+* With the unit powered on, press and hold the reset button on back of unit for 30 seconds<br> 在插上电源后,稳定的情况下,按住复位键'''不松开'''30秒
-<br>*在插上电源的情况下,按住复位键30秒+
-<br><br>* Without releasing the reset button, unplug the unit and hold reset for another 30 seconds+
-<br>*然后,不松开复位键,拔掉电源,持续30秒。+
-<br><br>* Plug the unit back in STILL holding the reset button a final 30 seconds (please note that this step can put Asus devices into recovery mode...see note below!)+
-<br>*最后,还是不松开复位键,插上电源,持续30秒(注意,这些步骤会使华硕的设备进入恢复模式...看下面的Note)+
-<br>This procedure should be done BEFORE and AFTER every firmware upgrade/downgrade.+* Without releasing the reset button, unplug the unit and hold reset for another 30 seconds<br> 然后,'''继续不松开复位键''',拔掉电源,持续等30秒。
-<br>这些操作应该在每次升级固件之前和之后都做一次+
-Do not use configuration restore if you change firmware builds (different svn build numbers).+* Plug the unit back in STILL holding the reset button a final 30 seconds (please note that this step can put Asus devices into recovery mode...see note below!)<br> 最后,还是'''继续不松开复位键''',插上电源,持续再等30秒后, 才松开.<br> 松开30秒后进行一次 拔插 电来结束这次 30/30/30 硬复位操作 - 让它正常开机<br> (注意,这些步骤会使华硕的设备进入"'''恢复模式'''"...看下面的Note)
-<br>如果你改变了固件版本,请不要使用配置單裏的"恢复" 來把先前備份的設定恢复進去。+
-'''<code>[NOTE] - For Asus units the standard 30/30/30 method will reset the router but will put it into recovery mode after the final 30 seconds. This is not a problem...but be aware of it. A forth step of power cycling the Asus units is required to finish a hard reset - 30/30/30 and have it boot normally</code>'''....redhawk+* This procedure should be done BEFORE and AFTER every firmware upgrade/downgrade.<br> 这些操作应该在每次升级固件'''之前'''和'''之后'''都做一次
 + 
 +* Do not use configuration "RESTORE" if you change firmware builds (different svn build numbers).<br> 如果你'''改变了'''固件版本,请不要使用配置菜单裏的"恢复" 来把先前备份的设定恢复进去。
 + 
 +'''<code>[NOTE]<br>For Asus units the standard 30/30/30 method will reset the router<br>but also will put it into RECOVERY MODE after the final 30 seconds.<br>This is not a problem...but be aware of it. <br>A forth step of power cycling the Asus units is required to finish this 30/30/30 hard reset and have it boot normally</code>'''....redhawk
<br> <br>
-'''<code>[NOTE] -对于华硕的设备,硬复位会将路由器复位但是也会将其转换到恢复模式。这并不是一个问题,但你需要知道这个情况。你需要进行一次关闭 重启 来结束其硬复位状态 - 进行过30/30/30 硬复位之后再正常启动它</code>'''....redhawk+'''<code>[注意]<br>对于华硕的设备, 30/30/30 会将路由器复位, 但也会在最后的那一次30之後将其转换到恢复模式. 这并不是一个问题,...但你需要知道。最后第四步你需要进行一次拔插电来结束这次 30/30/30 硬复位操作 - 让它正常开机</code>'''
====擦除NVRAM:==== ====擦除NVRAM:====

Current revision

Image:Warning.png

DO NOT attempt to reset or power cycle the router while it is still in the process of upgrading!
Wait a couple of minutes after upgrade is complete and the router has rebooted itself.


[edit] = 硬复位(又名 30/30/30 复位大法) 应在每次升级固件 都做一次=

30/30/30 硬复位【即插电稳定后,按复位键不松开30秒 不松开断电30秒 不松开再插电30秒】

The following procedure will clear out the NVRAM and set dd-wrt back to default values:
以下操作将会清除 NVRAM(非易失性存储器)[1]:

  • With the unit powered on, press and hold the reset button on back of unit for 30 seconds
    在插上电源后,稳定的情况下,按住复位键不松开30秒
  • Without releasing the reset button, unplug the unit and hold reset for another 30 seconds
    然后,继续不松开复位键,拔掉电源,持续等30秒。
  • Plug the unit back in STILL holding the reset button a final 30 seconds (please note that this step can put Asus devices into recovery mode...see note below!)
    最后,还是继续不松开复位键,插上电源,持续再等30秒后, 才松开.
    松开30秒后进行一次 拔插 电来结束这次 30/30/30 硬复位操作 - 让它正常开机
    (注意,这些步骤会使华硕的设备进入"恢复模式"...看下面的Note)
  • This procedure should be done BEFORE and AFTER every firmware upgrade/downgrade.
    这些操作应该在每次升级固件之前之后都做一次
  • Do not use configuration "RESTORE" if you change firmware builds (different svn build numbers).
    如果你改变了固件版本,请不要使用配置菜单裏的"恢复" 来把先前备份的设定恢复进去。

[NOTE]
For Asus units the standard 30/30/30 method will reset the router
but also will put it into RECOVERY MODE after the final 30 seconds.
This is not a problem...but be aware of it.
A forth step of power cycling the Asus units is required to finish this 30/30/30 hard reset and have it boot normally
....redhawk
[注意]
对于华硕的设备, 30/30/30 会将路由器复位, 但也会在最后的那一次30之後将其转换到恢复模式. 这并不是一个问题,...但你需要知道。最后第四步你需要进行一次拔插电来结束这次 30/30/30 硬复位操作 - 让它正常开机

[edit] 擦除NVRAM:

As an alternative method, it is possible to restore DD-WRT to default settings without using the reset button (useful if you're locked out of the web interface or the reset button is disabled, broken, etc. or if your router just refuses to reset using 30/30/30).

[CAUTION] - On some devices, resetting NVRAM in this fashion may cause more problems than it solves. For example, Asus WL-500g and the Motorola WR850G bootloader will not recreate default values and will not boot properly after being reset. If you do this on a Siemens SE505 V1, your router will not be accessible to you anymore! You will have to reflash it with the stock firmware on IP address 192.168.1.1 (NOT 192.168.2.1 as the installation procedure says!!)

The following requires that DD-WRT already be installed on your router, and Telnet (or SSH) services be enabled and accessible.

Telnet (or SSH) into 192.168.1.1

Issue commands:

erase nvram
reboot

or

mtd -r erase nvram

All should be in default settings now.

[edit] 默认密码

After resetting DD-WRT, you need to login with the user name "root" and password "admin".