Ideapad U510 Win8 WiFi problems

Hi,
my U510 has an Intel WirelessN-2230 system.
Driver version is 15.5.6.48 (4.10.2012)
The WiFi connection is lost from time to time.
This happens after 5 minutes or 1 hour without special activity i.e. just normal web browsing or e-mail operation.
I tried various recommendations from Intel but to no avail:
Disabling n-mode
Setting to static IP address
Changing Roaming dynamics
Any ideas?
TIA
Boris

hi Boris_B,
Welcome to the Lenovo Community.
Your problem might be similar to this thread.
On the router, try to:
1. Use WPA2-PSK AES or TKIP encryption
2. Disable WPS
3. Set the Wifi channel to Auto
4. Set 802.1x mode to Mixed Mode (either b/g/n or b/g only)
On the PC, try to:
1. Uninstall Lenovo Energy Management
2. Set power settings to high performance and observe the PC
Hope this helps.
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Similar Messages

IdeaPad u350 + WinXPpro + wifi problems.

Hello.
This is my third u350 notebook I'm configuring now and first time I have this problem.
I've tried all kinds of WIFI drivers from Lenovo support page and NONE worked for the WIFI.
To be sure what I'm doing I've used same good one drivers as on the other u350 - not working :<
Weird as hell - two u350 are working perfectly and this one have some wifi issues.
Any clues?
Regards~

download drivers, unrar, unzip. manually install the driver may help
http://consumersupport.lenovo.com/en/DriversDownloads/drivers_list.aspx?CategoryID=61415
click start, right-click computer, and then click properties.
in the tasks pane, click device manager.
if you are prompted for an administrator password or confirmation, type your password or click continue.
in device manager, locate the device for which you want to install the driver.
right-click the device, and then click update driver software.
click browse my computer for driver software, click let me pick from a list of device drivers on my computer, and then click have disk.
in the install from disk dialog box, click browse, locate an .inf file for the device driver that you want to install, and then click open.
follow the steps in the update driver software devicename dialog box to update the driver.

Ideapad U510 Bluetooth & Wlan Problem

Guten morgen Community,
habe o.g. Laptop auf win 8.1 aktualisiert. Nachdem ich den GraKa treiber und es Energy Management endlich zum laufen gebracht habe, stehe ich jetzt noch vor 2 unlösbaren Problemen : 1. Bluetooth erkennt ein anderes Gerät, lässt sich koppeln, und einige sekunden danach, ist die verbindung weg und lässt sich nicht wiederherstellen. Bisher durchgeführte maßnahmen : Bluetooth Gerät gelöscht, neuinstalliert, sowie Treiber gelöscht und den neuesten Intel treiber für den Wireless Adapter installiert (8.1 natürlich ). Das 2. Prob : immer wenn der rechner in den Standby oder energiesparbetrieb geht, ist beim wiederanschalten die wlan verbindung, weg, bzw. der adapter ausgeschaltet. Man muss dann jedesmal den lappi neustarten. Bisher durgeführte massnahmen : im energieprofil, den deepsleep modus ausgeschaltet, und in den Wireless Adaptereinstellungen den Energiesparmodus auch ausgeschaltet. Neuster Win 8.1 Treiber von Intel ist auch hier installiert.
Hatte vielleicht schon jemand dasselbe Problem und einen Lösungsansatz ?
Lg

Hallo KellerPC,
die beschriebenen Symptome sind oftmals auf die Intel Treiber zurückzuführen, da in den aktuellen Versionen für Windows 8.1 diverse Änderungen der Energieverwaltung vorgenommen wurden. Zwei Maßnahmen können helfen, die Leistungsverringerung des WLAN/Bluetooth Kombimoduls bzw. das Deaktivieren nach Standby zu vermeinden:
1. in den Energieeinstellungen des WLAN-Adapters das Häkchen bei "Computer kann das Gerät aisschalten, um Energie zu sparen" aktiviert lassen
2. Wechsel auf zurück auf den Win 8.1 inboxed Treiber (Gerätemanager -> Rechtsklick auf den Adapter -> Treibersoftware aktualisieren -> Auf dem Computer suchen -> Aus einer Liste wählen -> den aufgelisteten Standardtreiber auswählen)
Gruß
Sebastian
→ Wenn Du eine Lösung auf Deine Frage erhalten hast, markiere diese bitte als gelöst - Hilfreiche Beiträge verdienen Kudos. Zögere nicht Kudos zu vergeben.

Ideapad U510 Touchpad problem

I have bought a lenovo ideapad u510 a week before. From the very begining I am facing toucpad problem, The cursor jumps everywhere in the screen and make automatic selection all by itself. I am totally unable to control the cursor.
I have tried installing Synaptics driver after unistalling default Elan driver, but it wasn't solved a bit. I have tried by changing various options from the Elan menu, also disabled 'Multi-finger' option.
I have bought it from Canada but now I'm far away from there. So if anyone knows the solution please help me.

Please reinstall your default touchpad driver (ELAN). According to Elan: The main cause of unexpected cursor moving or click is the accidental palm contact with the touch pad. You can adjust your Palm Tracking setting to maximum to make your touch pad insensitive to "palm contacts"

Problem with Ideapad U510

Hi,
I just bought an Ideapad U510. It's very nice. But I recognized that the keyboard is not fixed properly especially at the top. I asked the dealer for a new product. He opened a new box and we found the same problem. Is there anyone with the same problem?
Bes wishes

If by " the keyboard is not fixed properly" you mean some flexig on the keyboard, then the short answer is YES. The keyboard on the U510 has some flexing and it is specialy noticable towards the center, around G and H keys. You'll have to live with it.

IdeaPad u510 woes

Hi all. I'm a new guy here seeking the help of the Lenovo community. I am a proud one year owner of an Ideapad u510 ultrabook. The ideapad came with Win 8 preinstalled on it. The machine ran fine with the Pro upgrade and then the 8.1 upgrade couple of months ago. Just last week it has had a problem with booting into windows (right now it is stuck at the Lenovo splash screen - obvs I am writing this on a different computer - but yeah it has been stuck at the splash screen for 10 minutes). I have a clean system image of the ultrabook and a backup of the data on the machine so when this problem began I did a win 8 system image restore to the working image and restored the data. The computer ran great after the restore. I turned the computer off. The next day, I turned it on and it wouldn't boot into windows. It was stuck at the Lenovo splash screen for about 10 minutes then the blue Windows sad face screen appeared with a message that something bad happened, restarted, then attempted an "automatic system repair" which didn't work so the Win 8 help menu/recovery console appeared asking me if I wanted to continue booting or do troubleshooting. This time I used the Lenovo OneKey recovery to the working image I had before which successfully ran and I was able to do my work then I turned it off. Next day I get the same problems with booting into Windows (the same exact things happened). So, I thought maybe the hard drive is failing. I had a spare working hdd. I put that in, did the Lenovo OneKey recovery image restore to the new hdd. I then rebooted only to be greeted with the same problem! (10 minutes at Lenovo splash screen, restarts on own, attempts automatic repair, goes to win8 recovery console). So, I don't think the problem is with the hard drive.
Now, the original hard drive is in it. I then go back to factory defaults (the handy side button on the IdeaPad) and it was working fine, i.e., I was able to install all of the Windows 8 updates between the factory release of the u510 to today, the machine has restarted a few times successfully (installing updates) but when I powered it off then turned it back on it has been stuck at the lenovo splash screen for now 15 minutes.
Suggestions? I don't think it's a Windows problem. I'm leaning toward hardware. I've ruled out the hard drive. Is it RAM? A mobo component? A problem with UEFI?

Hi,
I am having a similar problem. My 3 month old ideapad u510 froze last night while surfing the internet. nothing worked as far as getting shutdown menu in windows 8 to even work (just froze), so pushed power button till it turned off. immediately afterward, tried to boot by pushing power button and it just stopped booting at lenovo screen.
i've tried to boot a few times since and sometimes i see progress thing (circle of lights...similar to status bar) going other times not. i am not sure what key it is but can get to bios screen sometimes too. was hoping there was safe mode boot in bios but doesn't appear anything thats useful so didn't change anything. it just doesn't boot to windows after exiting bios.
my hunch is that i need a bootdisk or sort. importantly, would like to avoid resetting or refreshing, etc.. until have opportunity to get data off harddrive if possible. some important stuff on there that need to get off first.
Help is very much appreciated.
Thanks,
J

Lenovo ideapad u510 w/Fedora 19 Live USB black screen

I am having difficulty with a new lenovo ideapad u510. I am attempting to install Fedora 19 using the Fedora 19 xfce spin Live USB image, and the drive boots properly, but upon selecting the option to start Fedora 19 Live, I get a gray screen with a cursor on the top left, then two error messages that look almost idential to each other flash by, the Fedora logo starts to load, and then the screen goes blank.
The part of the error message that I was able to make out was "...failed to enable the AA(?????)"
I have attempted to turn the monitor back on using the F9 key's alternate function, and I have tried booting from DVD with the same result. Once the screen goes blank, it stays that way until I force the machine to shut down. Once I've forced the shutdown, the computer, upon turning back on, goes to the blank screen again without even loading the lenovo BIOS screen. Even the 'novo' button will not load any options for me.
My UEFI is set to Legacy / Legacy First, although the EFI setting is still Windows 8, with no alternate options. I've looked all through my settings in every tab of the BIOS and I can't find anything further to disable secure boot.
Is anybody able to assist me in installing Fedora?
Solved!
Go to Solution.

Follow up:
I have tried more flavors of linux, and over the course of doing that, I have discovered that after choosing to boot a linux live disk, the screen does not instantly go black as I had thought with the Fedora installation, but rather is reduced to 1/4 the physical size of the screen for a few seconds, then goes blank. After it goes blank, apparently, the live OS continues to load, as evidenced by the loading .wav sounds that play even after the screen is blank.
More and more I'm convinced that the graphics hardware is causing problems, but the lenovo site is completely silent about the specifics of the graphics, saying only that the hardware is nvidia GeForce series.

Ideapad u510 space key not working

I've had my Ideapad U510 for a few months now and just recently I've had trouble with the spacbar. When I type normally, it wont space and i have to hit it unusually hard.
Is there a way to take the key off and clean under it to maybe solve the problem or is there another solution?

hi bylliebee,
Welcome to Lenovo Community Forums!
Based on your description that you have to press it hard for it to function indicates a Hardware concern,
With checking the keys you can check this youtube Video on how the keys will come off,
'I was not able to find a demo for specific Lenovo key"
(Note: keyboard used here is not Exactly Lenovo it just shows how the Keyboard key mechanism works and how it can be removed, If you're not comfortable doing it, please don't.)
If you need a single key replacement you can check this site
You can also call Lenovo Technical Support for Warranty concern about the issue.
Best Regards
Solid Cruver
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If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
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Al cerrar la tapa, se abre el chasis Lenovo Ideapad u510

Saludos: No tenía idea de como llamar a mi problema, así que no se me ocurrió un mejor título. Mi Lenovo Ideapad U510 ya tiene más o menos un año conmigo. Pero hace unos días me percaté que al cerrar la tapa, el plástico del chasis parece como si quisiera abrirse, supongo, que por problemas en la visagra. Para que se entienda mejor les dejo un video. https://youtu.be/K0JeMUjyGRQ Quisiera añadir que donde vivo actualmente no hay ningún centro de Soporte de Lenovo o fabricante alguno de ordenadores. Es por ello que necesito consejos para solucionar esto tratando de arreglarlo por mi cuenta.

Hola elav que tal,
Has destapado para observar el panorama?.
Eh visto casos mas drásticos y resulta que este desprendimiento es originado por el tornillo que ajusta la bisagra hacia la parte inferior del ordenador.
Te recomiendo seguir el manual de mantenimiento https://download.lenovo.com/consumer/mobiles_pub/ideapad_u510_hmm_1st_edition_sep_2012_english.pdf para el destape del ordenador y verificar el estado en que se encuentra lo de las bisagras. y el tornillo, antes de proceder a hacer cualquier otra cosa.
La recomendación principal es si no se tienes las herramientas y el conocimiento adecuado lo mejor es llevarlo a un servicio técnico, por solucionar un problema se puede ocasionar otro mas.
Un saludo.

Ideapad U510 Battery Stuck at 94%

Hi,
I bought a brand new Lenovo Ideapad U510 just yesterday, but when I charge it, it does not charge past 94%. The status remains at 94% plugged in and charging, but it doesn't actually change even after an hour or two.
I have tried unplugging to 10% and then recharging but again it got stuck at 94%. And yes I have checked the energy mangement and it is on Maximum Battery Life.
Should I drain the battery completely and then try recharging?
Is there a way to fix it to charge all the way to 100% or is it a problem with the computer itself? Thank you.

Drain the battery first and then try again. Probably this is also maybe happening to prevent battery detoriation. So this can be normal.
Jonas
Microsoft MVP: Windows Consumer Expert
Yoga Tablet 2 10 || ThinkPad X1 Carbon (20A7007MPH) || ThinkPad Helix (3698-6EU) || IdeaCentre B540
Twitter: @jonashendrickx

Strange wifi problem on a brand-new MacBook Pro

Hey there, I'm new here. Desperation has got the better of me, and I hope I can get some advice.
So, last sunday I bought a brand new 13" MacBookPro with 2.8g i7 processor and 10.7.2 OS (I can't update to 10.7.4 because System Update tells me the download has been tampered with or corrupted after I waited 2 hours for it to finish, but I'm trying a direct download from the website). Here's the exact product: http://www.amazon.com/Apple-MacBook-MD314LL-13-3-Inch-VERSION/dp/B005CWIZ4O/ref= sr_1_5?ie=UTF8&qid=1340301247&sr=8-5&keywords=macbook+pro+13
Everything is all perfect except for a strange wifi problem. Note that the wifi does not turn-on or off, it doesn't disconnect after 'sleep', it doesn't get less speed, it doesn't constantly leave a preferred connection (once I chose my home wifi it always connects to it no problem). The wifi bar is always full. What is wrong is that the internet is kinda 'glitchy'. The best metaphor I can think of is that it's like a car that has to be pushed down the road before the engine can start. Please, bear with me because this is kinda hard to explain and I'm not good at tech lingos.
One of the symptoms is browsing can get really slow and inconsistent, almost as if the wifi gets turned off in the middle of browsing. For example: if I look something up on Google and then open 5 new tabs, probably only 2 or 3 of those tabs will eventually load while the other two will not get past the long 'http:.......google.....etc etc' address and will eventually show one of those 'error loading page because there's no Internet connection' notice. This happens a lot. Sometimes I have to refresh/retry loading a page a couple of times before it finally loads, then usually everything will get back to normal and I will be able to open multiple tabs with no problem, but in a couple of minutes I would try to open another site and the problem will start again.
So I tried to see how it does with downloading using iGetter. Fortunately I also have a Macbook (white-plastic casing one) and my brother has an old 2006 MacbookPro so I can compare. With those two older Apples iGetter starts receiving data in less than 8 seconds after I click Start, while my brand-new Macbook Pro can take up to 15-20 seconds, sometimes it doesn't even start at all and I have to re-click the start button. But once the download actually starts (on my new MacBook Pro), it downloads like normal, it doesn't stop and the speed is also as good as I can get. Strange huh? Hence, like a car that has to be pushed before the engine starts.
I also tried 'speed testing' from a website with all 3 laptops. On my old MacBook and my brother's MacBook pro, once I click 'begin test' it takes only a couple of seconds of 'ping' before the download/upload speed measurements start, but with my new MacBook Pro (just like with iGetter) it takes up to almost a minute before the measurements start, sometimes it won't start at all and I have to re-start the test.
Well, thanks for reading. And hope you can help me shed some light into this. Because it is really preventing me from really enjoying my new MacBook Pro. And if this is most likely a hardware problem, I'd better get back to the store and try to get it replace or something while it's only been 5 days. *cheers*

Hey guys.. Thanks for the replies. Unfortunately, I bought the MacBook in Indonesia where there are no such thing as an AppleCare. The only option is to leave the Apple product to one of the 'Authorized Apple care centre' and have whoever do whatever to it without guarantee of success. As for returning it and getting a brand new one, I also don't know if there is such a deal here, but that's actually a good idea, will try to go to the store tomorrow. Although, I'm worried that the problem might be with OSX Lion or something and getting a new one won't help.
mark75090, I've tried resetting the router when I first noticed te problem, didn't work though. I've checked my new MacBook's wi-fi (option+click wifi bar) and it says 'PHY Mode: 802.11g', so does my MacBook and the old MacBook Pro. I don't know what those mean though, and I don't know whether or not my router is an N., can you tell me more please.. I have tried with the other two turned off, and only the new MacBook using the wi-fi but the problem persists. I have also tried connecting directly to the router, but as I described, the problem is too subtle for me to notice the difference.
Also, if I create a brand new Wi-Fi connection in network preferences and connect to my router through the new Wi-Fi profile, the problem seems to be gone for an hour or so, then it always comes back though. I have also just finally installed 10.7.4, but it doesn't help either.

Wifi problems still exists?

I sold my gs60 that had an 870m back in january mainly because i couldnt bare the wifi problem. I really loved the laptop and everything about it but everytime my laptop overheated the wifi would drop from 100mb to 1mb or less at times, monday im thinking of buying a new msi laptop and im wondering if these models that are currently being sold on amazon and etc still have the wifi problem or has it been fixed?
And trust me, i read the forums, i read the guides and im pretty decent with computers/software and etc, i uninstalled, reinstalled, updated it, changes adv. settings and even though it improves certain things the problem was still there. So does it still exist?
Or should i just buy a USB wifi?

This problem only occurs in earlier patches of Intel WiFi card of GS60 2Px (8xx series of NVIDIA graphic cards) and not every unit was affected.
If you don't want to take this risk, I'll suggest you buy GS60 2Qx (9xx series of NVIDIA graphic cards).
USB WiFi is a good idea. It certainly has a better signal comparing to the WiFi embedded in the body of the laptop.

Macbook pro 15 inch wifi problem (late 2011)

Hello,
Here I write a little desperate with this problem that I have on the MacBook Pro (late 2011) with WIFI .
For several months ago, when I power on the MBP is all apparently normal , spend a few minutes and I lose the WIFI , the icon still comes out as "connected " but no WIRELESS signal , I turned off the WIFI, but, when I try to change back to turn ON, the icon of WIFI still OFF ( the inverted triangle ) . Restarting the MBP and still the problem no signal and appears as disabled , delete PRAM several times until finally everything works again , spend some time and again the same thing sometimes is fine for several hours, go out to eat and return and again the same thing, the worst was when I saw the message "Hardware not found" and "X " where the icon goes WIFI . I rebooted several times and not managed , this was the "hardware not found" message. Some time ago I went something like , when Lion had and read that resetting the PRAM and managed , never came out , but now even that it manages , and it is becoming more common , I thought it was the OS ( MacOSX Mavericks ) so I reinstalled (I'm not used Time Machine, I install all again ), this work the lasted several days without fail, until she passed again, I'm out of WiFi, when I see no WIFI signal in the list , restart me WIFI goes off and I can not change , restart it goes back to " hardware not found" and so on.
Now desperate for this, I opened the MBP , disconnected the cables from the Airport card and reconnected with care and making sure you are all well , turned on the MBP again and works!!, I lasted two weeks , then I thought it was that. But again the whole problem again.
Already investigating more online and I found some details from other users
1 / Both WIFI and Bluetooth are on the same card ( the q disconnected and reconnected )
2 / If the card was wrong , losing the WIFI Bluetooth should lose , but I tried Bluetooth and has no problems
3 / Reported that resetting PRAM or SMC but still, in my case, does not work.
Now all I have left to rule is the WIFI antenna that is located ( if I remember correctly ) for the bottom of the screen, and according to several users this tends to fail from constant use to close or open the MBP (or either to cover or uncover ) , and sometimes it just heats and heats close to this area .
Has anyone had a similar problem? My MBP turns 2 only on March 7, 2014 , I can not believe all that cost me and now is about to fail , I have a Sony VAIO Core 2 Duo for about 5 years (or more) ago and is still running and has been dropped many times and nothing has ever happened : (
Additional data on my MBP ,
Several months ago ( long before the problem with the WIFI) I changed the hard drive for an SSD ( 250GB Corsair Neutron X ) .
There is a problem that often makes me too, is that when you close the MBP ( to open ) , and open it back again ( out of sleep) the following happens :
1 / It instantly freezes when waking from sleep and I have a long wait to enter the password.
2 / When you leave idle normal let me put the password, but just when giving ENTER freezes
3 / Out of sleep, let me put the key, ENTER and when I load the desktop freezes
Another problem :
This only happened to me a few times , as I mentioned , my MBP is formatted ( have Mavericks ) before formatted (clean install without time machine) , I closed the MBP ( I sent to sleep) and the open the screen was black , but as with bright, and not leave the state, turned off force ( pressing the button) , start the MBP again (power on) charged normal gray screen with apple but with a fairly low brightness, spent a few seconds and turned the brightness to normal and started normally .
I hope some can help me with these problems.
PD : I'm from Peru , if anyone knows a trusted service that please let me know .
Thank you very much .

Your wifi problem sounds very much like the problem I had. The wifi would drop out, the icon showed it was still connected. If I turned it off, I couldn't turn it back on. Another user here pointed me to the problem, which was the wifi cable (the flat cable goint from the card to the motherboard). I found it on ebay for $13 and it's been running fine since I replaced it. This is the repair guide for your machine. The part number will be on there if you click the link.
http://www.ifixit.com/Guide/MacBook+Pro+15-Inch+Unibody+Late+2011+AirPort-Blueto oth+Cable+Replacement/7510

How come they still haven't fixed the ios 6 wifi problem on ios 6.0.1 making me mad -.-

I know apple or the tech support doesn't read this but come on tell them to fix the wifi problem that started from ios 6 and still continuing to ios 6.0.1. I already gave them another feedback like 5 days ago. I really don't want to reconnect to my wifi everytime. I already did everything possibly to fix my wifi problem. I know its IOS 6.0.1 because it started with ios 6 and still not fixed by apple update to 6.0.1.
I have a very limit data plan of 300 MB on at&t and I don't want to go over so I rely on my wifi most of the time.

GTR_Lover wrote:
Maybe you just lucked out but both my devices running ios 6.0.1 have wifi problems shutting of at random times during sleep. I know you guys will say when its plugged in it doesn't lose wifi true but I never remember having this problem in the previous ios verison from ios 4 to 5(On my Iphone 4, and from my Iphone 4s from IOS 5) until I updated both devices to ios 6 or even when I had a iTouch 3rd gen long time ago I never remember it shutting of my wifi. I am telling you this never happened before IOS 6 where I need to leave it plugged in just to have my wifi during wake up.
GTR
I thought I believed my iPhone 4 with iOS5.0 would not disconnect during sleep mode. However, I was wrong. What I did was to ping the IP addresses on my iPhone 4 (iOS5) and iPhone 5 (iOS 6 then, and iOS6.0.1 now) when they were in sleep mode. Very true that there were timed-out on both devices. Once I woke them up, ping went thru. I did a scan on my home network using my iPad while the other 2 phones were in sleep mode, I was not able to see them.
I thought my iPhone4 did not disconnect too. But again, I think the reconnecting to wifi on iOS 5 is SO MUCH quicker than on iOS6 so user would think there was never a disconnect.

Wifi problem after.4.3 update on xperia z

Hi all,
After updating my Xperia Z (C6603) to build number 10.4.1.B.0.101 I've been having connection issues with every Wi-Fi network.
I've checked the forum but I only found problems about people having Wi-Fi issues with their smartwatch, I do not own a smart watch this is just a general networking issues.
Here's the problem in detail:
When having no Wi-Fi switched on while booting the phone the phone will start without any issues, I will receive my 3G/4G signal and I can browse, e-mail, everything.
Once I switch on Wi-Fi it will start connecting to previously stored Wi-Fi access points but will not connect. Eventually it says that there was a problem with connecting, even though this will take several minutes.
I can go into the Wi-Fi settings, select a different Wi-Fi network (if it is in range) and press connect, however the settings app will freeze at that point and eventually I'll get a notification that the settings app has stopped working.
I have found a "work-around": I switch the Wi-Fi to on, power off the phone and power on again. Now the Wi-Fi connection immediately powers on without an issue once the phone has completely booted, it also will connect to the default Wi-Fi connection that is in range. A different issue appears however once I move out of Wi-Fi range, it will no longer pick up my 3G/4G signal. It is also impossible to switch off Wi-Fi or switch Wi-Fi network connections without rebooting the phone.
As I said before this happened to me after updating to version 10.4.1.B.0.101 after having it received through OTA update. I do not have root access on my phone either so this can't be it.
Is there anyone experiencing the same issues? Is this somehow related to the issues people are experiencing with their smart watch connections (as seen in this topic: http://talk.sonymobile.com/t5/Software-Updates/wifi-problem-after-4-3-update-on-xperia-z/td-p/490591...
If there's anyone who is experiencing the same issues, or has found a fix for this I'd gladly hear from you.
Regards,
Danny
Sony Xperia Z
Modelnumber: C6603
Android version: 4.3
Kernal version: 3.4.0-ge09aff8
Build number: 10.4.1.B.0.101

I faced the same problem. So what u did now to connect your 3g or 4g. Did u tried kitkat update? Its works or not?

Ideapad U510 Win8 WiFi problems

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