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Wifi issues after fresh install of new ROM

So my wifi will see networks, try and connect, then instantly disconnect and repeat. This problem has occurred for the last two roms that I installed. I don't think it is a problem with the rom because one, I havnt read so anywhere, two, i have tried installing and reinstalling and reinstalling again many many times. When I install a new rom, I always factory wipe, cache wipe, and dalvik wipe.
I am currently on Apex latest rom.
Has anyone else had this issue or know how to fix it? It is driving me crazy not having wifi!

EDIT
so it seems by toggling airplane mode on n off, the problem has been fixed. sorry for making this thread

so i thought airplane mode works, but it only did for a lil then keeps messing up. can anyone help please?

turbomalum said:
so i thought airplane mode works, but it only did for a lil then keeps messing up. can anyone help please?
Click to expand...
Click to collapse
Don't know if this will work for you or not. Some have had success...
Go into WiFi settings and 'forget' your network(s), then reset your router/switch and then turn your WiFi back on. Sometimes it will reestablish with the right permissions.

ya i have tried that too. i don't understand what the problem is. I'm bout to just give up

turbomalum said:
ya i have tried that too. i don't understand what the problem is. I'm bout to just give up
Click to expand...
Click to collapse
My problem is similar, it sees my home network and connects (and stays connected), but when I try to access the internet or markets, it says network error and won't let me connect. When I switch back to 3g and WiFi off, now I can hook up to internet and markets.
I'm checking into my wireless router. It might be the problem, tho my wife's computer is hooked up wirelessly and it seems fine, no problems, so idk.

[Q] WIFI bug with CM?

Hi there, after all I finally managed to get the bootloader unlocked and CM running smoothly - wonderful.
To achieve this I had to work carefully up and down through the threads here and it was really worth the work.
The only problem I noticed so far is that I can't establish a wifi connection?! I do see the networks and I try to establish the connection with the credentials as I am used to, but I fail. I also don't see the wifi icon in the statusbar.
Is this a known issue or did I just miss to to do something correctly while flashing?
I tried to find a hint here in the forum, but didn't so far. Sorry if I just overlooked it.
Thanks for any help :good:
Sascha

I got the same problem. I have heard that a new release of the kernel come soon. Lets hope then it is fixed
Sent from my LG-P880 using xda app-developers app

I also just unlocked the bootloader and flashed CM10.1 but my WiFi is working fine, no problems.
One issue I heard people talking about is that in some cases CM changes the MAC address of your phone, so if you have any mac filtering you need to fix it accordingly. However, if you don't even see the WiFi icon it's a bit strange (remember that the icon doesn't show until you are connected). Can you go into settings and turn it on, find networks, add manually, etc.?
Did you do a factory reset after installing CM?

yes id did a factory reset

So, just arrived at home and the wifi works totally fine
The problem just occured at work before, with a wifi which is not broadcasting.
Strange, cause all other devices connect without any problems - so there seems to be a connex to the new rom.
Btw, I was so frustrated already with this device, I wanted to change it against an Xperia z or htc one today. Now, I'll keep it. Such an impressive leap forward compared to stock fw. Fast and smooth.
Cheers

still not ale to connect to the wifi here at work.
signal is good
network incl. wep pw is saved but it just does not connect. All other devices (SG2, iPad) are connected as always.
Doesn't make much sense to me. So if anyone has an idea, I'm glad to test it.
cheers

SZA78 said:
still not ale to connect to the wifi here at work.
signal is good
network incl. wep pw is saved but it just does not connect. All other devices (SG2, iPad) are connected as always.
Doesn't make much sense to me. So if anyone has an idea, I'm glad to test it.
cheers
Click to expand...
Click to collapse
How is the router /network security at your work? In CM my mac address changed...
Sent from my LG-P880 using xda app-developers app

RuedasLocas said:
How is the router /network security at your work? In CM my mac address changed...
Sent from my LG-P880 using xda app-developers app
Click to expand...
Click to collapse
That would have been my intention as well, but we don't use any mac address filtering. I can connect with every other device as long as I have the right credentials.
There are not many options to change the settings, probably there's a app available....
Would be interesting if anybody else has this issue with not broadcasting wifi networks.

I cant connect to wifi network too. No mac filter, tried to change from WPA2 to WEP but still not able to connect.
Edit also tried factory reset.

Format
noppoer2 said:
yes id did a factory reset
Click to expand...
Click to collapse
Did you format system before you flashed CM? Try to format system...

Did you format system before you flashed CM? Try to format system...
Click to expand...
Click to collapse
Is that just a guess? I would not see any relation to the kind problem we have.
Factory reset, wipe, flashing of ROM ... I think it's more related to the wifi driver.

No WiFi in WebOS

So I picked up a couple of used 32GB Touchpads Both were stuck at the setup screen waiting for WiFi to find a network. They would just continually scan.
So I bypassed the setup, neither WiFi or Bluetooth will turn on. I tried a few fixes I found on the internet with no luck. Enable then Disable Airplane mode, Leave it running trying to turn on BT and WiFi overnight on a charger. I rolled it back to 3.0.0 then back up to 3.0.5 one by one with the same results.
I decided to go ahead and try CWM and see what happens. WiFi and Bluetooth work perfectly in CM9 and CM10??!!?? Not a single issue. So I went back to WebOS and since I don't have WiFi I used WOSQI to install Uberkernel and Govnah, thinking maybe a new kernel would fix it. The same results as before.
For the life of me I am stuck. Sure Android works perfect but I would still like to figure out where the problem is.
Anybody have any ideas?

even me im having problem with my wifi

lakay77 said:
even me im having problem with my wifi
Click to expand...
Click to collapse
So far I have tried editing the tokens, replacing them with working tokens from other TP, deleting the tokens and restarting, forcing a new mac through novacom. The closest I have come is a mac showing for etho in ifconfig but no wirelss at all in iwconfig and the token still shows all 0s for the mac.

Could not setup Chromecast after factory reset

Hello,
I decided to reset my Chromecast because none of my devices recognised my Chromecast.
So I did an factory reset, but when I set my Chromecast up again it can't communicate with my Chromecast for some reason.
It looks like the last step to connect with my WiFi router is the problem, but I don't know.
How to fix this?

What are the exact messages you're getting?

"Could not communicate with your Chromecast"

TheRicolaa10 said:
"Could not communicate with your Chromecast"
Click to expand...
Click to collapse
This is from the Chromecast setup app, yes?
What does the TV screen show?
The Chromecast setup app has never been 100% reliable for me... The last time I factory reset I had to run through setup 2 or 3 times before it applied properly.
You may want to try the manual setup instead.

+1 also try setup from a different device if you have one. (Laptop, tablet , PC)

One other thing to try is to disconnect from your AP before you try and connect to the CCast.
It is possible on some devices and versions of Android that being connected to an AP interferes with finding and connecting to the CCast AP.

bhiga said:
This is from the Chromecast setup app, yes?
What does the TV screen show?
The Chromecast setup app has never been 100% reliable for me... The last time I factory reset I had to run through setup 2 or 3 times before it applied properly.
You may want to try the manual setup instead.
Click to expand...
Click to collapse
This is from the app, yes. The TV is showing that it is connecting to my WiFi network. I already tried it couple times, but every time the same message.
+1 also try setup from a different device if you have one. (Laptop, tablet , PC)
Click to expand...
Click to collapse
I'll try this also, thanks. EDIT: Tried it from my N7 2012, got the same message.

TheRicolaa10 said:
This is from the app, yes. The TV is showing that it is connecting to my WiFi network. I already tried it couple times, but every time the same message.
I'll try this also, thanks. EDIT: Tried it from my N7 2012, got the same message.
Click to expand...
Click to collapse
Go into the app settings and clear the data. I had problems during a setup as well and that fixed the problem.

I managed to set it up with an iPad. But it's still not recognisable.

TheRicolaa10 said:
I managed to set it up with an iPad. But it's still not recognisable.
Click to expand...
Click to collapse
So... any differences between the WiFi connection setup on the iPad vs the Android devices?
You don't have your 5 GHz and 2.4 GHz bands using the same SSID, do you?

Sorry I didn't answered your question, I was on holiday for a week.
I think our router has only 2.4GHz band.
I made some screenshots, maybe it can help, don't know.
http://i1128.photobucket.com/albums/m499/TheRicolaa10/Screenshots/Screenshot_2014-05-11-12-03-57.png
http://i1128.photobucket.com/albums/m499/TheRicolaa10/Screenshots/Screenshot_2014-05-11-12-04-36.png
http://i1128.photobucket.com/albums/m499/TheRicolaa10/Screenshots/IMG_20140511_120453.jpg
http://i1128.photobucket.com/albums/m499/TheRicolaa10/Screenshots/Screenshot_2014-05-11-12-04-18.png

TheRicolaa10 said:
Sorry I didn't answered your question, I was on holiday for a week.
I think our router has only 2.4GHz band.
I made some screenshots, maybe it can help, don't know.
Click to expand...
Click to collapse
Hmm, well at least from Chromecast's perspective it's operating normally.
What's shown on the bottom right of the Chromecast desktop screen?

Only the time, why?

TheRicolaa10 said:
Only the time, why?
Click to expand...
Click to collapse
It used to show the SSID of the AP it's connected to, but I can't remember offhand if it still does in the newer (build 14xxx onward) desktop display.

bhiga said:
It used to show the SSID of the AP it's connected to, but I can't remember offhand if it still does in the newer (build 14xxx onward) desktop display.
Click to expand...
Click to collapse
It still does on build 16664.

Do you have enough information with this photo?
http://oi57.tinypic.com/dpiq0j.jpg

TheRicolaa10 said:
Do you have enough information with this photo?
http://oi57.tinypic.com/dpiq0j.jpg
Click to expand...
Click to collapse
Yes thank you. Something seems wrong though... It's like the device is in a "half" set up state... It doesn't think it needs to be set up, yet isn't connected to wireless.
I would factory reset it again using the button. Maybe the first reset didn't completely reset somehow.

Thanks a lot! I manually reset the Chromecast manually with the button as you said and set it up again. It works now.

A little late here but I can confirm that My Ccast IS connected and yet does not show the SSID or indicate it is connected in anyway on the default screen.
It does indicate when it is in the process of connecting and for some time after it connects but after awhile that indication goes away.
I suspect it has to do with how many pics have changed.
What it does do though is indicate when it does NOT have a connection.
Which wouldn't help you if it managed to connect to the wrong router.

Problems are back again... Today I switched my Chromecast in another TV (Philips), again he saw no network, not recognisable. So resetted my Chromecast again but I can't get trough the setup process now, so I keep trying right now.
Edit:
Do you think to buy a new Chromecast to solve the problem?

Wifi issue after MM update

Hi guys! Can you help me out! I installed several MM Roms, as i can not connect to certain wifi networks. I installed many of them to troubleshoot my phone. I have no idea why i can not connect, why it stucks. . It stucks at obtaining IP adress. Before i first install the marsmallow on 5.x.x series i was able to connect to any wifi network (obviously if i had the network key), but now i can not connect to my workplace wifi, also at my friend. At home it is all OK. All networks are 2.4ghz. Other then this i can not see 5ghz networks. i saw a solution for that, but most adb drivers are for x86 even if it says its for x64 systems (or either im too noob, buti can not install them on win10). But the main issue, which pisses me off, is the problem with 2.4Ghz networks. Does any of you have any solution for that. Furthermore, have any of you faced this problem before??? Thanks anyway! G.Regos

Did u ever tryied conect under WPS? Maibe that is the way... :good:

PabloOaks said:
Did u ever tryied conect under WPS? Maibe that is the way... :good:
Click to expand...
Click to collapse
Yes, i tried that, thanks. The problem doesnt seem to be the encryption, as its passes through. The issue is with obtaining IP address. Maybe in MM they changed the way that DHCP(IP address obtaining) works. If i can not find a way to change that, i will have to revert back to Lollipop.

gergely.regos said:
Yes, i tried that, thanks. The problem doesnt seem to be the encryption, as its passes through. The issue is with obtaining IP address. Maybe in MM they changed the way that DHCP(IP address obtaining) works. If i can not find a way to change that, i will have to revert back to Lollipop.
Click to expand...
Click to collapse
Oh! I see... that is a pitty! I'm thinking in advance to Android 6.0, but i hear several issues about it. So, meantime I´ll keep android 5! Hope you finda solution, best regards.

Hi Guys!
Accidently i found the solution for the issue. I share it with you, in case if anyone interested. If you tap 5 or 6 times on the build number, you'll be able to become developer. After this you go to the developer options, then scrolling down, you'll find an option to revert back to Lollipop tipe DHCP. If you tick that, you can connect to any wifi network. (in case if you have the network key) You'll no longer stuck at "obtaining IP address"... Hope that helps