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My laptop won't connect to the WiFi.

I have a Lenovo Ideapad with Windows 8 and I'm away for the weekend. I connected to the WiFi and it worked fine last night, but now it says it can't connect and the other people with me can connect. I have the password correct so I can't figure out what's wrong. I tried rebooting it. It didn't work.
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More about laptop connect wifi
  1. Disable the adapter within Device Manager, and enable it afterward.
  2. Best answer
    OR renew your IP address...

    1. Open windows command prompt Start\ Run\cmd\ok

    2. To release your Ip address ipconfig/release
    Enter

    3. To renew your IP address ipconfig/renew
    Enter

    Exit
  3. Markkk said:
    OR renew your IP address...

    1. Open windows command prompt Start\ Run\cmd\ok

    2. To release your Ip address ipconfig/release
    Enter

    3. To renew your IP address ipconfig/renew
    Enter

    Exit


    I have this same problem, except when I try to release my ip address it tells me that no operation can be performed to wifi while it has it's media disconnected. Help?
  4. Sounds like your wifi is off

    Your Laptop has a Button to turn wifi on / off
    Usually shown on by a blue wifi light with a wifi signal logo.
  5. check your wi fi button and router settings firts ,i uninstall the wi fi driver and i did check the settings on my router also however nothing just helped me untill i just got a helpful article and that works for me lenovo helpful solution . i hope same works for you also thank you
  6. Markkk said:
    OR renew your IP address...

    1. Open windows command prompt Start\ Run\cmd\ok

    2. To release your Ip address ipconfig/release
    Enter

    3. To renew your IP address ipconfig/renew
    Enter

    Exit



    Thanks man!..
    Really helped!
  7. Markkk said:
    OR renew your IP address...

    1. Open windows command prompt Start\ Run\cmd\ok

    2. To release your Ip address ipconfig/release
    Enter

    3. To renew your IP address ipconfig/renew
    Enter

    Exit


    Well when I did this it says "An error occured while renewing interface WiFi : unable to contact your DHCP server. Request timed out." Any solutions?
  8. Markkk said:
    Sounds like your wifi is off

    Your Laptop has a Button to turn wifi on / off
    Usually shown on by a blue wifi light with a wifi signal logo.


    Hi Mark, I am getting the same error message as Sonyforever when attempting to renew the IP address, and my wifi switch is definitely on. I am completely stuck, is there anything else I can try?
  9. Restart Device Modem then Laptop

    There are a number of reasons these cause connection issues

    Modem Settings - Max Number of Connections, Connection Alive time, DHCP server settings, Wifi Settings / Channel / Encryption
    Other Enabled DHCP devices on your Wifi giving you ip/gateway settings first (usually Printers)

    Your OS will typically resolve this but in some cases it just doesn't and times out Or is holding Old IP settings from connection to other networks, Hence why 'Releasing and Renewing' usually works well in this situation

    Sony Also has a Flight Mode on some of its laptops which you will need to turn off
  10. Markkk said:
    Restart Device Modem then Laptop

    There are a number of reasons these cause connection issues

    Modem Settings - Max Number of Connections, Connection Alive time, DHCP server settings, Wifi Settings / Channel / Encryption
    Other Enabled DHCP devices on your Wifi giving you ip/gateway settings first (usually Printers)

    Your OS will typically resolve this but in some cases it just doesn't and times out Or is holding Old IP settings from connection to other networks, Hence why 'Releasing and Renewing' usually works well in this situation

    Sony Also has a Flight Mode on some of its laptops which you will need to turn off


    Cheers! Restarting them both did the trick. Thanks for your help
  11. hi mark, i tried reseting both but i still cant connect to my wifi? any further help you can provide? T_T
  12. Hi Hairybamboo

    It may be best to start a new Topic with your problem

    And list the Hardware, o/s and things you have tried and the actual issues with any errors

    This way you get fresh eyes and someone may have the same hardware and be able to help quickly
    Posting in a Solved Thread although with similar issues wont always get you efficient help
  13. Markkk said:
    OR renew your IP address...

    1. Open windows command prompt Start\ Run\cmd\ok

    2. To release your Ip address ipconfig/release
    Enter


    3. To renew your IP address ipconfig/renew
    Enter

    Exit


    ThAnk you marc. Ive tried a lot and this is the only one worked! Ur heaven sent! Mwah
  14. I had the same problem - had not had my laptop out in several months and decided to turn it on. It would not connect to my network, but would connect to other networks. After a couple of hours, I almost gave up. But then I thought to check to see if I had allowed my laptop MAC Address through my router's MAC filter - BINGO!
    If your router's MAC filter is turned on, check to ensure your laptop is authorized through it. If you do not understand what I am talking about, I doubt your MAC filter is on, so disregard.
  15. make sure you type the correct password.
  16. Ctrl+alt+del start task manager. Check for bonjour under processes. If it is running go to control panel under administrator services choose services. Then right click bonjour choose properties set to manual and stop service. Open command prompt type ipconfig /renew If still not working type route service 0.0.0.0&&ipconfig /renew
  17. make sure there's a space between ipconfig and /renew
  18. IDontUnderstand said:
    Disable the adapter within Device Manager, and enable it afterward.
  19. Markkk said:
    Sounds like your wifi is off

    Your Laptop has a Button to turn wifi on / off
    Usually shown on by a blue wifi light with a wifi signal logo.
  20. how to turn it on?
  21. S_Sutton said:
    I have a Lenovo Ideapad with Windows 8 and I'm away for the weekend. I connected to the WiFi and it worked fine last night, but now it says it can't connect and the other people with me can connect. I have the password correct so I can't figure out what's wrong. I tried rebooting it. It didn't work.

    Well i did a simple thing on my dell, i simply turned on and off my airplane mode 2 or 3 times and than tried to connect to wifi and it worked :)
  22. I just fixed mine. I tried some of the things i found on this site and although it did not fix it, it did led me to the way i got mine fixed. Hope it helps you too.

    >Control panel
    >network and internet
    >network connections- right click to properties, then configure, go to advance then the first one (mine says 802.1 channel width) change it to AUTO.
    mine was instantly fixed after. Good luck
  23. To Mark..not all laptops have a button for WiFi.
  24. Markkk said:
    OR renew your IP address...

    1. Open windows command prompt Start\ Run\cmd\ok

    2. To release your Ip address ipconfig/release
    Enter

    3. To renew your IP address ipconfig/renew
    Enter

    Exit
  25. Markkk said:
    OR renew your IP address...

    1. Open windows command prompt Start\ Run\cmd\ok

    2. To release your Ip address ipconfig/release
    Enter

    3. To renew your IP address ipconfig/renew
    Enter

    Exit
  26. Thanks God... I have tried so many ways and failed, then I found your post.
    it's really helped. Thank you so very much Mark.
  27. Just fixed mine by the grace of god, stumbled upon it by noticing a missing file.
    for windows
    run command prompt as admin
    type sfc/scannow
    restart computer when finished

    mine had been like this for two months with no solution.
    Hope this helps someone, felt inclined to share.
  28. I just changed wifi channels from channel 6 to 13 and since then, I can't reconnect to wifi and hence can't change channels back. This has happened once before and it was a real pain in the butt. I have tried restarting lenovo laptop, router, modem. I tried disabling and enabling wireless. Nothing has worked. Any tips?
  29. If u had any problem with ur WiFi just go for the system restore
  30. Markkk said:
    OR renew your IP address...

    1. Open windows command prompt Start\ Run\cmd\ok

    2. To release your Ip address ipconfig/release
    Enter

    3. To renew your IP address ipconfig/renew
    Enter

    Exit



    Mine keeps telling me "the operation failed as no adapter is kn the state permissible for this operation"
    Help me please?
  31. IDontUnderstand said:
    Disable the adapter within Device Manager, and enable it afterward.
  32. S_Sutton said:
    I have a Lenovo Ideapad with Windows 8 and I'm away for the weekend. I connected to the WiFi and it worked fine last night, but now it says it can't connect and the other people with me can connect. I have the password correct so I can't figure out what's wrong. I tried rebooting it. It didn't work.
  33. Thanksss a lot it worked :bounce:
  34. Markkk said:
    Sounds like your wifi is off

    Your Laptop has a Button to turn wifi on / off
    Usually shown on by a blue wifi light with a wifi signal logo.

    I have tried to turn the WiFi button on but it won't. It flicks instantly back to off.
  35. SMauderer said:
    Ctrl+alt+del start task manager. Check for bonjour under processes. If it is running go to control panel under administrator services choose services. Then right click bonjour choose properties set to manual and stop service. Open command prompt type ipconfig /renew If still not working type route service 0.0.0.0&&ipconfig /renew


    I've had a similar problem with my network at home. It has had shown me up "checking network requirements" and after that "can't connect to this network" every time I tried to connect. I tried restart both my laptop and modem, forget network, unplug the modem from the power for 10 seconds, 1 minute, 10 minutes, 1h hour...and many more attempts I don't remember. I was ready to call an assistant until I found SMauderer's answer.

    So I just stopped "bonjour" of working and tried to connect to my network again, and it worked. It's weird because the problem has happened just with my home network, I had tried to connect to another network and worked. So, thank you SMauderer for the advice.
  36. SMauderer said:
    make sure there's a space between ipconfig and /renew


    Hi, it says-> 0.0.0.0&&ipconfig /renew is not recognized as an internal or external command, operable program or batch file.
  37. Markkk said:
    OR renew your IP address...

    1. Open windows command prompt Start\ Run\cmd\ok

    2. To release your Ip address ipconfig/release
    Enter

    3. To renew your IP address ipconfig/renew
    Enter

    Exit


    It worked for me!
    but what could be the reason?
    because i never faced this issue with my cellphone which connects to the same router.
  38. S_Sutton said:
    I have a Lenovo Ideapad with Windows 8 and I'm away for the weekend. I connected to the WiFi and it worked fine last night, but now it says it can't connect and the other people with me can connect. I have the password correct so I can't figure out what's wrong. I tried rebooting it. It didn't work.
  39. I reset my router... after this i cant connct ... they write for me cant connect this network why ?
  40. Markkk said:
    Sounds like your wifi is off

    Your Laptop has a Button to turn wifi on / off
    Usually shown on by a blue wifi light with a wifi signal logo.


    I'm also getting the media disconnected issue but I am currently on wifi. I've had no end of wifi issues since Win10 and it's getting worse. I've unchecked the box in network adapter properties to stop the laptop turning it off. The device driver shows as being up to date but also as no device driver at all. I frequently experience DNS probe no internet & connection reset & network change detected errors and then intermittently the wifi just turns itself off on the laptop and I have to reboot to get back on. It works fine with an ethernet and all other non-Windows devices carry on as normal.

    I have a Lenovo G50-30.
  41. Vinicius_1 said:
    SMauderer said:
    Ctrl+alt+del start task manager. Check for bonjour under processes. If it is running go to control panel under administrator services choose services. Then right click bonjour choose properties set to manual and stop service. Open command prompt type ipconfig /renew If still not working type route service 0.0.0.0&&ipconfig /renew


    I've had a similar problem with my network at home. It has had shown me up "checking network requirements" and after that "can't connect to this network" every time I tried to connect. I tried restart both my laptop and modem, forget network, unplug the modem from the power for 10 seconds, 1 minute, 10 minutes, 1h hour...and many more attempts I don't remember. I was ready to call an assistant until I found SMauderer's answer.

    So I just stopped "bonjour" of working and tried to connect to my network again, and it worked. It's weird because the problem has happened just with my home network, I had tried to connect to another network and worked. So, thank you SMauderer for the advice.
  42. Yea stopping the bonjour service and restarting my laptop worked! Thanks
  43. Steeltie said:
    Vinicius_1 said:
    SMauderer said:
    Ctrl+alt+del start task manager. Check for bonjour under processes. If it is running go to control panel under administrator services choose services. Then right click bonjour choose properties set to manual and stop service. Open command prompt type ipconfig /renew If still not working type route service 0.0.0.0&&ipconfig /renew


    I've had a similar problem with my network at home. It has had shown me up "checking network requirements" and after that "can't connect to this network" every time I tried to connect. I tried restart both my laptop and modem, forget network, unplug the modem from the power for 10 seconds, 1 minute, 10 minutes, 1h hour...and many more attempts I don't remember. I was ready to call an assistant until I found SMauderer's answer.

    So I just stopped "bonjour" of working and tried to connect to my network again, and it worked. It's weird because the problem has happened just with my home network, I had tried to connect to another network and worked. So, thank you SMauderer for the advice.


  44. I hadn't seen that one - will give it a try. Thanks :)

    Update: removing Bonjour seems to have largely rectified the issue. Thanks!
  45. You can also clear/flush the DHCP server connections. Some routers allow you to do this. This was the case that I had when I worked on friends laptop which it couldn't connect to my network, yet my laptop, phone & desktop could connect successfully.
  46. Yeah I haven't actually done that in a while - removing Bonjour seems to have largely rectified the issue. Thanks!
  47. baylorgang92 said:
    Just fixed mine by the grace of god, stumbled upon it by noticing a missing file.
    for windows
    run command prompt as admin
    type sfc/scannow
    restart computer when finished

    mine had been like this for two months with no solution.
    Hope this helps someone, felt inclined to share.



    Thank u somuch it really works for me :)
  48. how to find the command prompt as admin?? Tq
  49. Right click the WIFI ICON, click TROUBLESHOOT PROBLEMS...Then just click CHECK IF THE PROBLEM HAS SOLVED...sometimes the brain of the computer had errors,so just let the computer itself solved it...We are using wifi everyday though sometimes we encountered errors on PC and LAPTOP...VERY EASY TO SOLVED.
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