Uninstalling DD-WRT from WR940N v6.1, Impossible.

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Nochalek
DD-WRT Novice


Joined: 11 Jun 2021
Posts: 2

PostPosted: Fri Jun 11, 2021 19:42    Post subject: Uninstalling DD-WRT from WR940N v6.1, Impossible. Reply with quote
Hello!
I have trouble with reverting back my stock fw. I tried the TFTPd method, but the router just does not appear to ask for any files, connections (Nothing in log/wireguard) (Of course im holding the reset button when router starting). The router works in DDWRT mode but i want to revert it and i dont have a serial connector so i cant do other methods.

Also i saw this post https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=325933 but sadly it didnt solve my problem Sad
Anyone willing to help solve my problem?
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kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 13112
Location: Texas, USA

PostPosted: Fri Jun 11, 2021 20:00    Post subject: Reply with quote
aradng wrote:
nvm got tftp working apparently you have to wait for power led to turn blue before pushing reset


There is also this:

https://openwrt.org/toh/tp-link/tl-wr940n

You may need a non-managed switch in between PC/laptop and router.

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Nochalek
DD-WRT Novice


Joined: 11 Jun 2021
Posts: 2

PostPosted: Fri Jun 11, 2021 20:37    Post subject: Reply with quote
kernel-panic69 wrote:
aradng wrote:
nvm got tftp working apparently you have to wait for power led to turn blue before pushing reset


There is also this:

https://openwrt.org/toh/tp-link/tl-wr940n

You may need a non-managed switch in between PC/laptop and router.


1. May i know what is a non-managed switch?
2. My router boot sequence is different, it goes orange then goes blue. (Because it already has DDWRT) The thing is that when do i hold the button according to this? i can record my boot sequence since it's much different.
feliciano
DD-WRT Guru


Joined: 24 Oct 2008
Posts: 1039
Location: Latin America

PostPosted: Sat Jun 12, 2021 1:04    Post subject: Reply with quote
Nochalek wrote:
what is a non-managed switch?

An standard and cheap switch, put in the middle.

The thing is the timing for tftp is very important, as there is a short window to do so. Normally from my PC I open 2 consoles: one with a continous ping, and other with the tftp waiting for enter to put the file (I had recovered many routers this way).

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kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 13112
Location: Texas, USA

PostPosted: Sat Jun 12, 2021 1:21    Post subject: Reply with quote
It appears there have been some changes, however, using the 32-bit portable version of tftpd32 (4.52 or newer) with anticipation window of 1024 is also beneficial for tftp'ing firmware images to the router. Might be time for some wiki updates.
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"Life is but a fleeting moment, a vapor that vanishes quickly; All is vanity"
Contribute To DD-WRT
Pogo - A minimal level of ability is expected and needed...
At some point, people just get plain tired of this place.
Because they are tired of bottom-feeders and the same old hat.

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Alozaros
DD-WRT Guru


Joined: 16 Nov 2015
Posts: 5378
Location: UK, London, just across the river..

PostPosted: Sat Jun 12, 2021 17:54    Post subject: Reply with quote
feliciano wrote:
Nochalek wrote:
what is a non-managed switch?

An standard and cheap switch, put in the middle.

The thing is the timing for tftp is very important, as there is a short window to do so. Normally from my PC I open 2 consoles: one with a continuous ping, and other with the tftp waiting for enter to put the file (I had recovered many routers this way).


10x feliciano there is always something new here, to learn...about the ping

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Atheros
TP-Link WR740Nv1 ---DD-WRT 50500 WAP
TP-Link WR1043NDv2 -DD-WRT 50841 Gateway,DNS,AP Isolation,Ad-Block,Firewall,Forced DNS,DoT,VPN,VLAN
TP-Link WR1043NDv2 -DD-WRT 50841 Gateway,DNS,Ad-Block,Firewall,Forced DNS,DoT,VPN,VLAN
TP-Link WR1043NDv2 -Gargoyle OS 1.13.0 AP,DNS,QoS,Quotas
Qualcomm-Atheros
Netgear R7800 --DD-WRT 50963 Gateway,DNS,AD-Block,AP&Net Isolation,VLAN's,Firewall,DoT,Vanilla
Netgear R9000 --DD-WRT 50927 Gateway,DNS,AD-Block,AP Isolation,Firewall,Forced DNS,DoT,2,4Ghz only,Vanilla
Broadcom
Netgear R7000 ---DD-WRT 50927 Gateway,DNS,AD-Block,Firewall,Forced DNS,VLAN's,DoT,VPN
NOT USING 5Ghz ANYWHERE
------------------------------------------------------
Stubby for DNS over TLS I DNSCrypt v2 by mac913
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