https://community.arlo.com/t5/Arlo/Cannot-get-2-out-of-4-cameras-to-get-back-online-or-sync-again/m-p/1114860#M8580 <BLOCKQUOTE><HR />Leopards wrote:<BR />Model # VMS3430 - bought less than a wk ago &amp; have been pretty satisfied but I'll need to replace if I can't depend on it. I've restarted base station, opened &amp; shut battery door, removed devices and tried to re-sync, etc. what I am missing? I do get a blue light when I shut the battery door but not when I try to sync. Wi-fi connection is fine - other camera is alive &amp; well. No notification batteries are lame (have replaced one set) - please help! Thanks so much.<HR /></BLOCKQUOTE><BLOCKQUOTE>First try a power reboot of the base...&nbsp; via the power button</BLOCKQUOTE><BLOCKQUOTE>Then ( <STRONG>most common problem is the sync button held to long</STRONG> ) a QUICK push of the base sync button and then the camera sync button.</BLOCKQUOTE><BLOCKQUOTE>Blue slow flash then quick blue flash on camera for a couple secs means it worked</BLOCKQUOTE><BLOCKQUOTE>If the above fails, then try a full reboot of the base....</BLOCKQUOTE><BLOCKQUOTE>Push in the reset button on back with paperclip for about ten seconds till the front LEDs flash amber... then add cameras back as new</BLOCKQUOTE> Sun, 17 Jul 2016 14:01:32 GMT TomMac 2016-07-17T14:01:32Z https://community.arlo.com/t5/Arlo/Cannot-get-2-out-of-4-cameras-to-get-back-online-or-sync-again/m-p/1114663#M8578 Model # VMS3430 - bought less than a wk ago &amp; have been pretty satisfied but I'll need to replace if I can't depend on it. I've restarted base station, opened &amp; shut battery door, removed devices and tried to re-sync, etc. what I am missing? I do get a blue light when I shut the battery door but not when I try to sync. Wi-fi connection is fine - other camera is alive &amp; well. No notification batteries are lame (have replaced one set) - please help! Thanks so much. Tue, 27 Sep 2016 19:47:09 GMT https://community.arlo.com/t5/Arlo/Cannot-get-2-out-of-4-cameras-to-get-back-online-or-sync-again/m-p/1114663#M8578 Leopards 2016-09-27T19:47:09Z https://community.arlo.com/t5/Arlo/Cannot-get-2-out-of-4-cameras-to-get-back-online-or-sync-again/m-p/1114857#M8579 <BLOCKQUOTE><HR />Leopards wrote:<BR />Model # VMS3430 - bought less than a wk ago &amp; have been pretty satisfied but I'll need to replace if I can't depend on it. I've restarted base station, opened &amp; shut battery door, removed devices and tried to re-sync, etc. what I am missing? I do get a blue light when I shut the battery door but not when I try to sync. Wi-fi connection is fine - other camera is alive &amp; well. No notification batteries are lame (have replaced one set) - please help! Thanks so much.<HR /></BLOCKQUOTE><P><STRONG>answer moved to Arlo Wire-free troubleshooting</STRONG><BR /><BR /></P><P>&nbsp;</P><P>Plse post in proper section for the best answers</P> Sun, 17 Jul 2016 13:56:52 GMT https://community.arlo.com/t5/Arlo/Cannot-get-2-out-of-4-cameras-to-get-back-online-or-sync-again/m-p/1114857#M8579 TomMac 2016-07-17T13:56:52Z https://community.arlo.com/t5/Arlo/Cannot-get-2-out-of-4-cameras-to-get-back-online-or-sync-again/m-p/1114860#M8580 <BLOCKQUOTE><HR />Leopards wrote:<BR />Model # VMS3430 - bought less than a wk ago &amp; have been pretty satisfied but I'll need to replace if I can't depend on it. I've restarted base station, opened &amp; shut battery door, removed devices and tried to re-sync, etc. what I am missing? I do get a blue light when I shut the battery door but not when I try to sync. Wi-fi connection is fine - other camera is alive &amp; well. No notification batteries are lame (have replaced one set) - please help! Thanks so much.<HR /></BLOCKQUOTE><BLOCKQUOTE>First try a power reboot of the base...&nbsp; via the power button</BLOCKQUOTE><BLOCKQUOTE>Then ( <STRONG>most common problem is the sync button held to long</STRONG> ) a QUICK push of the base sync button and then the camera sync button.</BLOCKQUOTE><BLOCKQUOTE>Blue slow flash then quick blue flash on camera for a couple secs means it worked</BLOCKQUOTE><BLOCKQUOTE>If the above fails, then try a full reboot of the base....</BLOCKQUOTE><BLOCKQUOTE>Push in the reset button on back with paperclip for about ten seconds till the front LEDs flash amber... then add cameras back as new</BLOCKQUOTE> Sun, 17 Jul 2016 14:01:32 GMT https://community.arlo.com/t5/Arlo/Cannot-get-2-out-of-4-cameras-to-get-back-online-or-sync-again/m-p/1114860#M8580 TomMac 2016-07-17T14:01:32Z