R7000 how to break the reboot loop

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pred02
DD-WRT Novice


Joined: 08 Jun 2008
Posts: 41

PostPosted: Tue Dec 05, 2017 7:10    Post subject: R7000 how to break the reboot loop Reply with quote
Hi,
My R7000 with DD-WRT was working fine until a few days ago it went into a continous reset loop. I tried a reset, it did nothing. Then I tried connecting to the router directly via LAN cable. I was able to ping the router for 5-10 seconds at the time with TTL but was unable to tftp the R7000 dd-wrt.chk (by kong) as there was not enough time before the router became inresponsive and got a timeout error. I tried the timong ith tftp about 30 times but no success.

Any other ideas how to get it out of the loop? The usb serial cable method seems complicated as I need to open the router, resolder etc.

Thanks
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egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 12837
Location: Netherlands

PostPosted: Tue Dec 05, 2017 9:10    Post subject: Reply with quote
what changed?

Try a different power supply

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Malachi
DD-WRT Guru


Joined: 17 Jul 2012
Posts: 7209
Location: Columbus, Ohio

PostPosted: Tue Dec 05, 2017 10:54    Post subject: Reply with quote
You don't need to solder. On every r7000 I've opened, everything was already done.
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pred02
DD-WRT Novice


Joined: 08 Jun 2008
Posts: 41

PostPosted: Wed Dec 06, 2017 13:53    Post subject: Reply with quote
Nothing changed have not been fiddling with the settings. I ordered the USB to serial cable, will try to open it up and then reset and update the firmware.
pred02
DD-WRT Novice


Joined: 08 Jun 2008
Posts: 41

PostPosted: Thu Dec 07, 2017 6:57    Post subject: Reply with quote
I was able to flash the firmware using serial cable to break the loop. DD-WRT did not work so i flashed with Tomato first. How do I go from Tomato back to DD-WRT? Thanks
Malachi
DD-WRT Guru


Joined: 17 Jul 2012
Posts: 7209
Location: Columbus, Ohio

PostPosted: Thu Dec 07, 2017 10:32    Post subject: Reply with quote
You should not go from 3rd party to 3rd party. Always go back to stock.
Show us the output from putty when you try to flash dd-wrt.

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foz111
DD-WRT Guru


Joined: 01 Oct 2017
Posts: 704
Location: Earth

PostPosted: Fri Dec 08, 2017 18:17    Post subject: Reply with quote
had you overclocked it previously to 1400?
Alozaros
DD-WRT Guru


Joined: 16 Nov 2015
Posts: 6410
Location: UK, London, just across the river..

PostPosted: Fri Dec 08, 2017 20:32    Post subject: Reply with quote
my R7000 was in reboot loop due to a bad power supply, f..k
it took me a time to find out...
now its the first thing that i test in case of......
but yea going from dd-wrt to tomato it will be messy...
always go back to stock from 3rd party firmware....

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TP-Link WR740Nv1 ---DD-WRT 55179 WAP
TP-Link WR1043NDv2 -DD-WRT 55303 Gateway/DoT,Forced DNS,Ad-Block,Firewall,x4VLAN,VPN
TP-Link WR1043NDv2 -Gargoyle OS 1.15.x AP,DNS,QoS,Quotas
Qualcomm-Atheros
Netgear XR500 --DD-WRT 55460 Gateway/DoH,Forced DNS,AP Isolation,4VLAN,Ad-Block,Firewall,Vanilla
Netgear R7800 --DD-WRT 55460 Gateway/DoT,AD-Block,Forced DNS,AP&Net Isolation,x3VLAN,Firewall,Vanilla
Netgear R9000 --DD-WRT 55363 Gateway/DoT,AD-Block,AP Isolation,Firewall,Forced DNS,x2VLAN,Vanilla
Broadcom
Netgear R7000 --DD-WRT 55460 Gateway/SmartDNS/DoH,AD-Block,Firewall,Forced DNS,x3VLAN,VPN
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