Cannot connect to WiFii after Hibernate, searched everywhere

[coolbuddyin]

you must uninstall the existing driver do a restart and connect the laptop using a ethernet cable and then connect to broadband and then reinstall the driver and restart the computer.if you able to store the exe file on hard disc then no need to connect via ethernet cable ,just uninstall ,restart then install the exe file downloaded and reinstalldo not install over existing versionit looks like mostly a driver issue.,reinstalling a driver wont do any harm as far as i know.try thisopen Network and sharing centerand select Change Adapter settingsselect Wireless Network Connection with Wireless WLAN 1501 Half Mini-Cardright click and select propertiesand then select configure under networking tabSelect "Power Management" tabUncheck "Allow the computer to turn off this device to save power "Click OK.

 

[coolbuddyin]

Wow, wasn't aware of that...thanks.

I have a habit of turning of my lappy completely and disconnecting the power cord, as you know keeping the battery connected to AC mains even when fully charged reduces battery life. Ideally one should charge the battery when its discharged to about 50% (that's what I've heard, and was given a technical reason which was pretty convincing)

Five tips for extending lithium-ion battery life | TechRepublic

Charging Lithium-Ion Batteries

http://www.makeuseof.com/tag/increase-lifetime-laptop-battery/

http://www.techrepublic.com/blog/helpdesk/the-care-and-feeding-of-li-ion-batteries/124

 

[vkam2000]

Did that power management thingy long ago, anyways will uninstall the driver and reinstall !

 

[vkam2000]

Uninstalled & reinstalled, did not help !

 

[coolbuddyin]

try using static ip instead of dhcpmay be factroy reset will help you but keep it as last resort

 

[vkam2000]

After a lot of Google searching I found what could be a workaround, a simple batch file that would invoke once the laptop wakes from hibernation :

1. Get devcon.exe.

Devcon is available on Google, but if you find that its not working for your edition of Windows7 refer to this url : Devcon problem in Windows 7 : [Solved]

2. Find the hardwareid of your wireless device, refer to this url :Enable/Disable Wireless Card from Command Line at WLAN Book.com (Run cmd as admin)


3. Store these commands in a bat file named as wifi_reset.bat

netsh interface set interface "Wireless Network Connection" DISABLE

netsh interface set interface "Wireless Network Connection" ENABLE

devcon disable =net *dev_4727*

devcon enable =net *dev_4727*

TIMEOUT 5

Note the dev_4727 is the hardwareid & Wireless Network Connection will be the one as seen in Control Panel\Network and Internet\Network Connections

4. You have to run this bat file everytime the pc wakes,so...

a. Goto Control Panel -> Administrative Tools -> Computer Management -> Task Scheduler -> Task Scheduler Library

b. Click Create Task in Right Pane

c.

General Tab :
Name - Wifi Reset
Run Only when user is logged on
Tickmark Run with highest Privileges

Triggers Tab :
New - On Workstation Unlock

Actions Tab :
Action - Start a Program
Program : Browse to the bat file you created, wifi_reset.bat

Conditions Tab :
Uncheck Start the task only if the computer is on AC power

Finally Click OK and close the Window.



So next time when you wake from hibernation this script will run, hope this helps.....I too am not sure about this workaround but it seems to be helping, will update !

 

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