DD-WRT router failing to start firmware

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Pawaw
DD-WRT Novice


Joined: 18 Nov 2019
Posts: 17

PostPosted: Mon Nov 18, 2019 9:23    Post subject: DD-WRT router failing to start firmware Reply with quote
Hi there Smile

I have a linksys wrt acm3200 router where i installed the dd-wrt firmware on. But now i cant connect to the router. It broadcasts the wifi name, but i cant get a connection. I tried via R45 as well, but no luck. I have read about the hard reset 30/30/30 and tried that as well, but still no luck. I did some reading about ssh, but i cant get it working. Im on a mac if that helps with clearing up what to do. So is there any way of forcing a new firmware install on my router, maybe via USB or something else ?

please keep in mind im bit of a noob Smile

Best regards

Pawaw
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Malachi
DD-WRT Guru


Joined: 17 Jul 2012
Posts: 7246
Location: Columbus, Ohio

PostPosted: Mon Nov 18, 2019 10:17    Post subject: Reply with quote
I’ve moved this to the correct forum.
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I am far from a guru, I'm barely a novice.
Pawaw
DD-WRT Novice


Joined: 18 Nov 2019
Posts: 17

PostPosted: Mon Nov 18, 2019 10:28    Post subject: Reply with quote
Thank you Malachi Smile
Zyxx
DD-WRT User


Joined: 28 Dec 2018
Posts: 54

PostPosted: Mon Nov 18, 2019 14:50    Post subject: Reply with quote
Hey Pawaw,

does it broadcast a SSID similar to "DD-WRT" or still something like "Linksys XYZ"?

For the latter: The flash failed / the device booted from the second partition.

This will make it boot from the other partition (source):

Quote:
Power Cycle the router three times.
Using the router’s power switch – turn OFF then turn back ON.
Wait 2 seconds then turn OFF.
Turn back ON.
Wait 2 seconds then turn OFF.
Turn back ON.
Router should have booted into opposite partition


Also Linksys firmware detects possible ip address problems and changes its own IP to something in a 10.X.X.X subnet if another device was found with identical address.

If it broadcasts a SSID similar to "DD-WRT":
the reset button should solve the problem.
DO NOT DO a 30/30/30 reset, as it might do more harm than good to your device.
Pawaw
DD-WRT Novice


Joined: 18 Nov 2019
Posts: 17

PostPosted: Mon Nov 18, 2019 14:56    Post subject: Reply with quote
Hi Zyxx

It broadcasts a SSID, it's "dd-wrt" but i cant get a response on 192.168.8.1

I'll try the partition switch and see if that helps and look if the SSID changes

im afraid that i did a 30/30/30 on it Sad

is there a way to force new firmware on the router ?
kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 2683
Location: Texas, USA

PostPosted: Mon Nov 18, 2019 15:12    Post subject: Reply with quote
Did you set the local IP of the router to 192.168.8.1 before rebooting, or? The default IP is 192.168.1.1 ..... try connecting to that....
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Pawaw
DD-WRT Novice


Joined: 18 Nov 2019
Posts: 17

PostPosted: Mon Nov 18, 2019 15:44    Post subject: Reply with quote
Hi again Smile

now i have a connection to the router on 192.168.1.1, thanks Smile

So how to a get the Linksys firmware back on it, i tried to install the firmware i got from linksys, but it failed to upgrade ?

should i upgrade the dd-wrt firmware first ?
blkt
DD-WRT User


Joined: 20 Jan 2019
Posts: 247

PostPosted: Mon Nov 18, 2019 15:54    Post subject: Reply with quote
So...did you even log into the web interface yet to configure it? Or, are you just flashing your router for fun?

Do you know your router has two partitions? It likely has Linksys firmware on the other partition already.

This has to be a troll thread. Boggle.
Pawaw
DD-WRT Novice


Joined: 18 Nov 2019
Posts: 17

PostPosted: Mon Nov 18, 2019 15:58    Post subject: Reply with quote
i know it has two partitions but one of them seems broken..

im now in connection with the router and i would lik to get it back to stock firmware from Linksys, but the img file from Linksys failed. so im trying to get directions on my next move Smile
blkt
DD-WRT User


Joined: 20 Jan 2019
Posts: 247

PostPosted: Mon Nov 18, 2019 16:11    Post subject: Reply with quote
https://www.waterfox.net/releases/

https://storage-waterfox.netdna-ssl.com/releases/osx64/installer/Waterfox%20Classic%202019.10%20Setup.dmg

Try this browser; second link is a direct download to macOS version.


Last edited by blkt on Mon Nov 18, 2019 16:11; edited 1 time in total
kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 2683
Location: Texas, USA

PostPosted: Mon Nov 18, 2019 16:11    Post subject: Reply with quote
If both partitions are DD-WRT, and you can't flash any stock linksys images, I think you're pretty much stuck having to do a serial recovery because tftp may or may not work.
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E4200 v1 FreshTomato 2019.3
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Pawaw
DD-WRT Novice


Joined: 18 Nov 2019
Posts: 17

PostPosted: Mon Nov 18, 2019 16:16    Post subject: Reply with quote
So its no use to do a new dd-wrt firmware update to try to see if that allows the Linksys firmware upgrade to succeed ?

If not, how do i do a serial recovery ? im on MacOS and i have no experience with SSH, so please make it a step by step, im a noob Very Happy
kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 2683
Location: Texas, USA

PostPosted: Mon Nov 18, 2019 16:38    Post subject: Reply with quote
I'm not copying and pasting already-written wiki articles or forum threads. Google serial recovery dd-wrt, tftp flash dd-wrt, and wrt3200acm serial recovery.
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E4200 v1 DD-WRT 41686 mega (12/10/19) (K3.x)
R7000P DD-WRT 40270M kongac
E4200 v1 FreshTomato 2019.3
E4200 v1 FreshTomato 2019.4.development
R7000 FreshTomato 2019.4.development
E4200 v1 1.0.07.development
WRT3200ACM OpenWRT 18.06.5
Pawaw
DD-WRT Novice


Joined: 18 Nov 2019
Posts: 17

PostPosted: Mon Nov 18, 2019 16:43    Post subject: Reply with quote
sorry, but i tried to search the forum for serial recovery, but my post was top of the list, and i read some of the post's but couldnt find any thing about it, so thats why i posted again, im not trying to steal your time.. im just trying my best to understand the lingo, since im a noob at this Smile

Do you mean with a serial cable ? I hope there is another way, since i dont have one Smile
kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 2683
Location: Texas, USA

PostPosted: Mon Nov 18, 2019 17:16    Post subject: Reply with quote
Everything I looked up, including OpenWRT pretty much said serial recovery is probably the only way that will work, so you will need a serial cable. The 'bad' partition should still be able to be flashed with at least DD-WRT, but anything past that point, if you can't find any linksys stock factory firmware from current to the oldest off of linksys website (if they even link anything but current firmware version), then your only option to me looks to be serial recovery, depending on how recent a version of DD-WRT you flashed... but I could be wrong:

https://wiki.dd-wrt.com/wiki/index.php/Serial_Recovery

https://wiki.dd-wrt.com/wiki/index.php/Tftp_flash

https://forums.freebsd.org/threads/debricking-a-linksys-wrt3200acm-through-its-serial-port.69209/

https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1052534

https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=315032

https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=317922

https://community.linksys.com/t5/Wireless-Routers/How-to-revert-DDWRT-LinkSys-3200ACM-to-stock-firmware/td-p/1317484

That was the results semi-cherry-picked for what I told you to look up along with changing recovery to "revert to stock".

_________________
E4200 v1 DD-WRT 41686 mega (12/10/19) (K3.x)
R7000P DD-WRT 40270M kongac
E4200 v1 FreshTomato 2019.3
E4200 v1 FreshTomato 2019.4.development
R7000 FreshTomato 2019.4.development
E4200 v1 1.0.07.development
WRT3200ACM OpenWRT 18.06.5
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