No connectivity to only 1 LAN PC - Nexus 5 Q&A, Help & Troubleshooting

Hey so I rooted my Nexus 5 recently and pretty soon after I noticed that I can't connect to my main computer on my LAN. I use apps like airdroid and it refuses to connect over LAN mode and goes to remote mode. If I use terminal and busybox to send out pings, I can ping my router, along with most other devices on the LAN, but just not this computer. Firewall is turned off for testing purposes. I use apps like XBMC remote almost daily so this is become sort of a nuisance. I had a Galaxy Nexus before and it didn't have any of these problems. Any ideas?

I dug out my Galaxy Nexus and tried it again. Same issues. So I'm chalking this up as more of a network issue than a device issue. Still, anyone have any ideas as to why this is happening?

Sorry for the triple post guys. I solved the problem though. Turns out it was just my ****ty Telus all-in-one router acting up and was refusing to forward packets to my computer. Rebooted it and all is good again. Suppose this thread can be closed if that's something you guys do here.

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[Q] Wifi signal high but no internet connection (Samsung Galaxy i5500)

I just upgraded my router to a wireless one. Firstly, it's connected via ethernet to a PC and it is happily getting internet access.
On my i5500 I get a strong wifi signal. Wifi Analyser shows the signal at max constantly. I can also connect with Gmote and it works just fine.
The problem is that I can't actually access the net at all from the phone.
So basically I know that my phone is talking to the router with no problem. It's just getting out onto the internet.
Does anyone know of a solution?
try logging into your router and change the broadcast channel to something else and test it again. it should be something like a/b/g mode... define a single channel and see if it works.
I had originally thought that was working. It did for the first few minute where I had connection but then it just dropped.
I have noticed that I have some very small bursts where I can connect.
Do you think that trying the different channels may be the solution?
I have the same problem. Have you found a solution?
Still no solution. I went through every channel and every encryption method.
So far I've found that having the channel set on 'Auto' and then disabling encryption seems to give me internet connection through WIFI for at least the initial period but it eventually drops. But that's also not always.
I've also Googled it to death and found nothing. If you do find the solution please post it here and I'll do the same.
Maybe we can help each other.
make sure you entered the right password of wlan.
use a pc to connect the router and in the wlan you'll find the password.
Ok, just to clarify. My phone connects to the Router via WLAN. In fact I can use Gmote to control my PC. So the WLAN connection is great.
The problem is accessing the internet when using that connection.
I had similar problems with a router last year. I resolved the issues by flashing DD-WRT firmware. The manufacturer's firmware was junk.
Sent from my ADR6300 using XDA App
I had that idea but they don't have firmware for my router yet. I have asked them if they intend to make one.
Any chance the firewall on your phone is blocking your browser from using the Wifi?
Sent from my DInc via XDA App
I have no firewall on my phone.
Ok I've tried some new stuff and they I've had the longest connectivity so far (which is about half an hour).
First I made sure my Wifi wasn't set to turn off when the screen goes to sleep. Second, according to a forum I read, Netgear recommends channel 7. If that channels doesn't work try 1,3,6,9,11,13.
I then disabled encryption.
Fortunately no one near me uses Wifi at all and I've got the kind of walls that stop the signal from getting outside.
Anyway. It's working so far but I'll monitor and report.
[edit] And I forgot. The router was checking for firmware but it wasn't actually finding so I downloaded it myself. Seems that also made a difference.
Ok. I can confirm after 2 and a half hours my internet connection is stable. I even left half way through and when I came back it connected perfectly.
So as a summary here's what I did:
1) Get latest firmware
2) Change channel to 7
3) Disable encryption
I will change encryption and see if it still works

[Q] Sharing my Laptop wifi with Gtab

For some reason, I'm having the hardest time being able to share the WiFi connection my laptop gets with my Gtab.
On my college campus, wifi signal strength is horrible. For my laptop, I have an external 2000mw with a 7db high gain antennae attached. Currently, I use the software Connectify to turn my laptop connection into a hotspot, then connect to the hotspot via my Gtab.
Now, when it works it works great. But it seems like everytime I re-connect my tab, itll show it connected (full bars) but I get no internet. The only work around Ive found this is to forget the connection, and re-do my setup through Connectify (half the time seems like even this doesn't work).
The problem could very well be Connectify which is why I'm posting this.
Anyone know how to either configure a network connection in Win7 x64 Ultimate to be a hotspot? Or know of software/app that does it (besides Connectify and Virtual Router..something like that) to where I just set it up once, and have no further issues after?
Again, I dont know if this is my ROM or Connectify (leaning towards Connectify since Ive had this issue with every ROM I've tried thus far.
I apologize if there is already info. on this in the forum, but I couldnt find it.
Thanks for any direction you can point me here!
TnT Lite v4.2.5
2.6.32.33-Cyanogenmod Pershoot Kernel
Connectify is the answer
As far as I know, Connectify is the only sw that can give you an infrastructure htospot for Win7 x64. I use it and it works. have you upgraded to the newest 2.2 release. Fixed a number f the kind of issues you mention. One cavaet: the new stuff seems to interfere with creating VPN connections on the laptop,
justauser said:
One cavaet: the new stuff seems to interfere with creating VPN connections on the laptop,
Click to expand...
Click to collapse
Yeah I'm starting to notice that. I stumbled on a guide using Windows 7 feature "netsh" which can enable a hotspot using your existing wifi connection, and I keep getting errors when enabling certain services required by this. Gonna try this again with Connectify off. So you dont have any issues with Connectify as far as connecting to your created hotspot like the ones I described? What do you have your settings set to in your Wireless settings area on your tab? What ROM are you using?
I have Connectify set to Autorun on my laptop, but even then I have yet to boot into Windows, turn on my tab, and have my tab just connect to my hotspot. Everytime I have to re-do the Setup Wizard, along with forget the connection on my tab and log back into that. Even then, that works maybe half the time.
Thanks for any info. you can lend my way!
So apparently, the "netsh" feature is only useful if you are connected through a LAN, then you share that connection via a wifi connection on the same pc. This defeats the purpose in my eyes, unless I missed something here.
Has anyone been able to use this Windows 7 feature with just a wifi connection and no LAN?

Android + VPN + LAN issue

Hi,
I'm not sure this forum is the best place for this issue but I'm hoping for some suggestions on what might be wrong.
Since three days back it's no longer possible for me to connect to my usual VPN service on neither my tablet or phone. It's only at home on my own LAN (haven't tried any other LANs), it works just fine via 3G.
There's no problem connecting with my desktop PC or laptop.
It's really annoying when trying to be super secret!!!
Cheers.
And now it works again!
ZzZzZz.....

[Q] One device has connection problem, but not others

Hello,
Airdroid works fine on several devices here (my phone, my son's phone, my mother's tablet), but is very picky on my mother's phone.
All devices are connected on the same wifi network.
She has a samsung GT-S5839i. Here's what happens:
First, after installation, connection was ok.
Next day, no connection, the browser could not reach the phone. My phone could connect (over same wifi network, same browser on my PC). I restarted her phone, launched Airdroid : works fine.
Today, one day later: everything the same: not working at first, I had to reboot her phone.
So she has to reboot her phone to use Airdroid, that's not very convenient
What could cause this? How can I investigate this issue?
Thanks a lot ^_^
cactux63 said:
Hello,
Airdroid works fine on several devices here (my phone, my son's phone, my mother's tablet), but is very picky on my mother's phone.
All devices are connected on the same wifi network.
She has a samsung GT-S5839i. Here's what happens:
First, after installation, connection was ok.
Next day, no connection, the browser could not reach the phone. My phone could connect (over same wifi network, same browser on my PC). I restarted her phone, launched Airdroid : works fine.
Today, one day later: everything the same: not working at first, I had to reboot her phone.
So she has to reboot her phone to use Airdroid, that's not very convenient
What could cause this? How can I investigate this issue?
Thanks a lot ^_^
Click to expand...
Click to collapse
Hi,
Sorry to hear you're having trouble building connection for Samsung GT-S5839i. To help us find out what's happening, would you please tell us what's your Connection Mode, Android version and your AirDroid account?
And if you're using LAN Connection Mode, you can check if the network connection works fine on your GT-S5839i.
Follow the link below to get the steps:
http://help.airdroid.com/customer/p...ice-and-pc-are-connected-to-the-same-network-
Thanks!

Bluetooth Tethering Issue

Hi,
I have recently (last week) joined the OnePlus party by getting myself the 7 Pro after being with Samsung since the S2 days.
I like the phone but there are a few issues I am having.
The main issue I am having is the Bluetooth Tethering. I need this for when I am in my car (Mercedes use this method for internet connectivity). I switch it on and try to connect but after a while it just tells me that the data connection is temporarily unavailable. My mobile data works fine so I'm assuming that isn't the issue. When I am parked on my drive and in range of my home WiFi and I try and connect the connection is successful. It is as if the phone is blocking the mobile data connection when accessing via bluetooth tethering. This wasn't an issue on my Note 9 using the same SIM.
Does anybody have a fix for this or are having similar issues? If this cannot work then it is a deal breaker for me and I'll be reluctantly returning the phone to Amazon.
On a side note I have even tried changing the dun status via ADB Shell after finding what was supposed fix online but it did not help.
Thanks
I am no Bluetooth expert, and it may not apply here, but there are a number of various Bluetooth settings that can be altered in the Developers setting. Maybe something there can help???
Hi Jaseman,
I shall look into that. Currently doing a full backup of the phone to my PC before doing a downgrade from Android 10 to 9. I'm hearing that 10 is buggy so I'm hoping that is the culprit.
Thank you for your reply.

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