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Windows 7: wifi not working when computer wakes up from sleep

02 Dec 2016   #1
kf10

Win 7 home premium 32 bit
 
 
wifi not working when computer wakes up from sleep

i had this problem on win7 laptop, instead of shutting down the computer i put it to sleep, so that laptop awakes faster,

however sometime when i wake up the wifi adapter dont work, meaning that when i goto network and sharing center the wifi adapter is not shown, so i have to reboot the system for wifi to work.

this is only happening in my Dell A860 Vostro Laptop running win7

i have HP laptop running win8, and i never ecnountered this problem on HP


My System SpecsSystem Spec
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03 Dec 2016   #2
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Hello mate I am assuming you have done these
SFC /SCANNOW Command - System File Checker
Disk Check < if necessary include the /f and /r in the command line as per Option2

Now starting the machine are you leaving it in sleep mode because it takes a long time to get to the desktop??
My System SpecsSystem Spec
03 Dec 2016   #3
kf10

Win 7 home premium 32 bit
 
 

fig 1 and 2 shows that wifi adapter is not available and after reboot fig 3 and 4 shows wifi connected to PTCL- netwrok and wifi adapter visible in network and sharing center


Attached Thumbnails
wifi not working when computer wakes up from sleep-wifi-1.jpg   wifi not working when computer wakes up from sleep-wifi-4.jpg  
Attached Images
wifi not working when computer wakes up from sleep-wifi-2.jpg wifi not working when computer wakes up from sleep-wifi-3.jpg 
My System SpecsSystem Spec
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03 Dec 2016   #4
kf10

Win 7 home premium 32 bit
 
 

Quote   Quote: Originally Posted by ICIT2LOL View Post
Hello mate I am assuming you have done these
SFC /SCANNOW Command - System File Checker
Disk Check < if necessary include the /f and /r in the command line as per Option2

Now starting the machine are you leaving it in sleep mode because it takes a long time to get to the desktop??
Dear ICIT2LOL

can you please explain in detail how these 2 command will help in solving the wifi adapter not visible issue because this issues arises only once in a while

SFC /SCANNOW
Disk Check


i also didnt understood your following sentence, can you explain in simple english

Now starting the machine are you leaving it in sleep mode because it takes a long time to get to the desktop?

instead of shutting down i choose sleep so that laptop wakes up faster from sleep then from booting up

Thanks
My System SpecsSystem Spec
03 Dec 2016   #5
TrustMe

Windows 7 Home Premium 64bit
 
 

Try going to Device Manager>Network adapters>right click your wifi adapter, click on Properties. The Properties window will pop up. Click the Power Management tab. Uncheck "Allow this computer to turn off this device to save power".
My System SpecsSystem Spec
03 Dec 2016   #6
kf10

Win 7 home premium 32 bit
 
 

Quote   Quote: Originally Posted by TrustMe View Post
Try going to Device Manager>Network adapters>right click your wifi adapter, click on Properties. The Properties window will pop up. Click the Power Management tab. Uncheck "Allow this computer to turn off this device to save power".
Dear TrustMe
I uncheck the option if i still have problem i will report here agian.

Thanks for the advice
with love from your buddy
My System SpecsSystem Spec
03 Dec 2016   #7
kf10

Win 7 home premium 32 bit
 
 

Hello
i have run both the following commands


SFC /SCANNOW
Disk Check


see the screen shots


Attached Images
wifi not working when computer wakes up from sleep-wifi-6.jpg wifi not working when computer wakes up from sleep-wifi-7.jpg wifi not working when computer wakes up from sleep-wifi-5.jpg 
My System SpecsSystem Spec
06 Dec 2016   #8
kf10

Win 7 home premium 32 bit
 
 

i have run both these commands

SFC /SCANNOW
Disk Check

and i also Uncheck "Allow this computer to turn off this device to save power".

but still the same problem,

one more problem pop up, when i inserted usb drive, it didnt show up in my computer

so i have to reboot the laptop and then wifi and usb drive was fine
My System SpecsSystem Spec
08 Dec 2016   #9
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Ok mate sorry late reply the scans were just to make sure the system OS was in correct working order and that there were no corrupt files lying around because a few corrupt files could possibly be what is causing your issue/s - it is something I always check first if my machines are playing up.

Now the other query was in other words because possibly my terms were not clear - do you put the machine to sleep - simply to make it wake up in a full booted manner ie your desktop / login? because my machines all wake up to login with just a touch on the mouse click button - usually sometimes even knocking the table or desk the machine is resting will do just that.

Now one other thing you can do is to go into Start> type "msinfo32" (without the quotation marks) > open it and go through the various sub categories and look for problems within the different components. One I always look for is Problem devices see my pic


Attached Thumbnails
wifi not working when computer wakes up from sleep-msinfo.png  
My System SpecsSystem Spec
08 Dec 2016   #10
kf10

Win 7 home premium 32 bit
 
 

what is a base system means

i have disabled the ethernet and bluetooth adapter

yes i put the computer to sleep so that it awakes up faster


Attached Thumbnails
wifi not working when computer wakes up from sleep-capture.jpg  
My System SpecsSystem Spec
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 wifi not working when computer wakes up from sleep




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