Bricked WR941ND

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ltcdata
DD-WRT Novice


Joined: 21 Jul 2018
Posts: 4

PostPosted: Sun Jul 22, 2018 22:08    Post subject: Bricked WR941ND Reply with quote
Hi!
I think i bricked my WR-941ND ver 3.6.
I was running dd-wrt for about a year (running an older firmware from 2014 if i remember)
Last night i was tired, wanted to update to a newer version, read quickly in forums and arrived here:
ftp://ftp.dd-wrt.com/betas/2018/07-16-2018-r36330/tplink_tl-wr941ndv3/
I flashed the firmware via the dd-wrt interface. It ended ok, rebooted... and now the router is in a reboot loop.
Sys never came on.
Al lights turn on. Power remains. eth1 flashes a few seconds. And then again, al lights on. Endlessly.
Configuring 192.168.1.2 and pinging .1 gave me nothing.
What can i do?
Thanks!
Sponsor
jmfolcik
DD-WRT User


Joined: 06 Nov 2010
Posts: 125

PostPosted: Mon Jul 23, 2018 15:57    Post subject: Reply with quote
Its probably the same hardware as an 841, try the 192.168.0.66 tftp method that works great for those. I've resurrected wr841nv9 and wr841nv11 models multiple times when they went into a bootloop from either a bad upgrade with openwrt or ddwrt. Just get a copy of the OEM firmware file and rename it to whatever tftp logs that the machine tries to retrieve when you try it the first time.
ltcdata
DD-WRT Novice


Joined: 21 Jul 2018
Posts: 4

PostPosted: Mon Jul 23, 2018 17:54    Post subject: Reply with quote
Hi! Thanks for your answer!
I tried that, but is a no go Sad
Tried setting the computer local ip to .0.66 and .1.1, etc, but the interface goes up and down in 2 seconds and the tftp server doesn't get any request.
Tried with 2 notebooks and a desktop pc (win10, win7) and same result.

I even tried to scan with wireshark any arp request and nothing... there is zero traffic from the router.
I don't know how the upgrade to a newer dd-wrt firmware bricked this router like that. But so far, nothing Sad
jmfolcik
DD-WRT User


Joined: 06 Nov 2010
Posts: 125

PostPosted: Mon Jul 23, 2018 22:48    Post subject: Reply with quote
You didn't mention that you held in any button while powering it up, did you try holding in one of the rear function buttons while turning on the power? It will not try tftp unless you push in one of the rear buttons, not sure which one I do but try one at a time. WR841 has 2 buttons, one for wifi being on/off and the other for WPS/reset. I think it was the WPS one, since that makes sense the reset would be the button to trigger it.
ltcdata
DD-WRT Novice


Joined: 21 Jul 2018
Posts: 4

PostPosted: Mon Jul 23, 2018 23:09    Post subject: Reply with quote
the 941 has 2 buttons, one for reset the other for wps. I tried with both before aplying power, both with no results Sad
ltcdata
DD-WRT Novice


Joined: 21 Jul 2018
Posts: 4

PostPosted: Fri Jul 27, 2018 14:49    Post subject: Reply with quote
So... i'm out of luck? Crying or Very sad
Kapky
DD-WRT Novice


Joined: 13 Aug 2018
Posts: 3

PostPosted: Mon Aug 13, 2018 12:34    Post subject: Reply with quote
Hi,

I have probably the same problem as ltcdata Sad

I tried to flash my WR941ND ver. 3.6 with the latest DD-WRT firmware - upgrade process finished successfully, but after that I got stuck in infinite bootloop as you can see at the short clip attached below Sad

https://www.dropbox.com/s/i4hxpbmj75qi6fs/IMG_7422.mp4

Any suggestions?

Thanks a lot for your help!
Best regards,
Martin.
JuanMat97
DD-WRT Novice


Joined: 23 Aug 2018
Posts: 1

PostPosted: Thu Aug 23, 2018 22:05    Post subject: Reply with quote
I have the same problem....
georgerbr
DD-WRT Novice


Joined: 01 Aug 2018
Posts: 6

PostPosted: Fri Aug 24, 2018 1:47    Post subject: Reply with quote
JuanMat97 wrote:
I have the same problem....


I bricked 2 of these, a v3.5 and a v3.6. Managed to recover one via serial connection (installed Gargoyle 1.10), and lost the other in the process of shorting TX to the pins below it when I accidentally lifted a trace.

Then I tried to update a WR1043ND v1, and bricked it too. Soldered header pins, connected to it via serial, and flashed Gargoyle.
trimbaber
DD-WRT Novice


Joined: 24 Aug 2018
Posts: 1

PostPosted: Fri Aug 24, 2018 15:32    Post subject: Reply with quote
Looks like we're all the same boat...haha. Bricked mine last night.

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Last edited by trimbaber on Mon Jan 28, 2019 19:04; edited 2 times in total
georgerbr
DD-WRT Novice


Joined: 01 Aug 2018
Posts: 6

PostPosted: Fri Aug 24, 2018 18:23    Post subject: Reply with quote
trimbaber wrote:
Looks like we're all the same boat...haha. Bricked mine last night.


How can that be, if I managed to bring back 2 out of 3? Wink
danielwritesback
DD-WRT User


Joined: 29 Aug 2011
Posts: 240

PostPosted: Tue Sep 04, 2018 3:12    Post subject: Reply with quote
I suggest, check in with your brothers here: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316454
WR1043 v.1* is doing the same thing with the latest dd-wrt.
pethead
DD-WRT Novice


Joined: 10 Oct 2018
Posts: 8

PostPosted: Wed Oct 10, 2018 16:29    Post subject: Reply with quote
Firmware 2018-10-04-2018-r37139-tplink_tl-wr1043nd bricks the router.

What's going wrong?

Log from UART:

[ 1.080000] No filesystem could mount root, tried: squashfs
[ 1.090000] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(31,2)

I`d recover it from tftpboot, but I would want to setup dd-wrt instead of factory. I tried any other firmwares but no luck.
pethead
DD-WRT Novice


Joined: 10 Oct 2018
Posts: 8

PostPosted: Thu Oct 11, 2018 15:06    Post subject: Reply with quote
This might be coursed by the image you installed. Try the latest and let me know ich you still running into the issue:
ftp://ftp.dd-wrt.com/betas/2018/10-10-2018-r37305/



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On 10. Oct 2018, at 18:08, [DD-WRT WebSite] <contact@dd-wrt.com> wrote:

From: pethead
Subject: Firmware does not start

Message Body:
[ 1.080000] No filesystem could mount root, tried: squashfs
[ 1.090000] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(31,2)

2018-10-04-2018-r37139-tplink_tl-wr1043nd does not start! Log from UART to see above.
What I'm doing wrong?

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This e-mail was sent from the contact form on DD-WRT (https://www.dd-wrt.com)
danielwritesback
DD-WRT User


Joined: 29 Aug 2011
Posts: 240

PostPosted: Sun Oct 14, 2018 8:54    Post subject: Reply with quote
pethead wrote:
I`d recover it from tftpboot, but I would want to setup dd-wrt instead of factory.

You need to put factory firmware on it, to get it sorted.
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