WiFi keeps disconnecting

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#1 TheCoolFactor  Icon User is offline

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WiFi keeps disconnecting

Posted 03 January 2016 - 07:30 AM

I was using my laptop just as usual then all by sudden the wifi turned off and refused to turn on again, i tried and tried to turn it on again by going to flight mode then turning it off, updating the WiFi driver. Then i installed windows updates and it worked after restart, but after about an hour the wifi went 'limited' then it disconnected from the modem i tried to reconnect and all i got was 'cant connect to this network' i started the device manager and disabled my wifi and enabled it again and it connected to the modem after that a while the wifi disconnected again but this time it refused to connect to the modem. I tried all the solutions i did before but it won't connect to the modem anymore. How can I fix this?

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Replies To: WiFi keeps disconnecting

#2 RamonRobben  Icon User is offline

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Re: WiFi keeps disconnecting

Posted 03 January 2016 - 07:45 AM

Could you tell us wich version of windows you are currently using?
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#3 no2pencil  Icon User is offline

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Re: WiFi keeps disconnecting

Posted 03 January 2016 - 07:52 AM

It sounds like the request for DHCP is timing out. An easy fix for this is to "forget" about the network, & rediscover it.

Quote

Start Network and Sharing Center.
In the Tasks pane, click Manage wireless networks.
Right-click the connection you want to delete, and then click Remove network.
In the Manage Wireless Networks - Warning dialog box, click OK

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#4 TheCoolFactor  Icon User is offline

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Re: WiFi keeps disconnecting

Posted 03 January 2016 - 08:46 AM

View PostRamonRobben, on 03 January 2016 - 02:45 PM, said:

Could you tell us wich version of windows you are currently using?

Windows 8.1

View Postno2pencil, on 03 January 2016 - 02:52 PM, said:

It sounds like the request for DHCP is timing out. An easy fix for this is to "forget" about the network, & rediscover it.

Quote

Start Network and Sharing Center.
In the Tasks pane, click Manage wireless networks.
Right-click the connection you want to delete, and then click Remove network.
In the Manage Wireless Networks - Warning dialog box, click OK

I didn't find the 'manage wireless networks' what's on the left side of the screen is control panel hone, change adapter settings, change advanced sharing settings
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#5 snoopy11  Icon User is online

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Re: WiFi keeps disconnecting

Posted 03 January 2016 - 09:26 AM

Type ipconfig /flushdns

into the command prompt then type ipconfig /renew
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#6 TheCoolFactor  Icon User is offline

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Re: WiFi keeps disconnecting

Posted 05 January 2016 - 11:05 AM

View Postsnoopy11, on 03 January 2016 - 04:26 PM, said:

Type ipconfig /flushdns

into the command prompt then type ipconfig /renew

It worked juat fine yesterday, but now it tells me that its connected but it tells me 'server not available' or some network error (firefox) how can i fix this?
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#7 modi123_1  Icon User is online

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Re: WiFi keeps disconnecting

Posted 05 January 2016 - 11:10 AM

Do all the browsers tell you that?
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#8 RamonRobben  Icon User is offline

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Re: WiFi keeps disconnecting

Posted 05 January 2016 - 11:37 AM

I would try to set the DNS to obtain automatically.
Also I would forget all networks and then try again.
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#9 no2pencil  Icon User is offline

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Re: WiFi keeps disconnecting

Posted 05 January 2016 - 11:44 AM

How I would approach :

Connect to broadcast
Ping the router
Traceroute to Name Server
Lookup with free Name Servers : 4.2.2.1 8.8.8.8 208.67.222.222
Last, lookup with ISP provided Name Servers

Fix where the issue is.
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#10 TheCoolFactor  Icon User is offline

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Re: WiFi keeps disconnecting

Posted 06 January 2016 - 04:08 AM

View Postmodi123_1, on 05 January 2016 - 06:10 PM, said:

Do all the browsers tell you that?

i only have firefox and IE, and it gave me the same result

View PostRamonRobben, on 05 January 2016 - 06:37 PM, said:

I would try to set the DNS to obtain automatically.
Also I would forget all networks and then try again.

i did forget all networks and try again option, but how can i set the DNS to obtain automatically ?

View Postno2pencil, on 05 January 2016 - 06:44 PM, said:

How I would approach :

Connect to broadcast
Ping the router
Traceroute to Name Server
Lookup with free Name Servers : 4.2.2.1 8.8.8.8 208.67.222.222
Last, lookup with ISP provided Name Servers

Fix where the issue is.

can you explain a little bit more of how can i do this ?. thanks

`

and also i have to do the ipconfig /flushdns command every time i start my laptop because this problem keeps happening when i shutdown and start it again
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#11 RamonRobben  Icon User is offline

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Re: WiFi keeps disconnecting

Posted 06 January 2016 - 06:01 AM

Obtain IP and DNS automatically.

  • Right click on the internet icon.
  • Open network and sharing.
  • Change adapter settings.
  • right click on your wifi adapter.
  • click properties
  • Scroll down to Internet Protocol Version 4 (IPV4)
  • Select it and click on properties.
  • Click on obtain ip address automatically and do the same for DNS.


Connect to broadcast
I dont know what he means by this.

Ping the router

  • Windows-sign + R
  • type in CMD in the run window.
  • type ipconfig and press enter.
  • try to find Default Gateway and write down the ip that is behind that line.
  • type in ping THAT IP YOU WROTE DOWN
  • give us the results


Traceroute to Name Server

  • type in the black command window
  • something like trace google.nl
  • give us result


Lookup with free Name Servers : 4.2.2.1 8.8.8.8 208.67.222.222

Do the steps 1 to 7 from Obtain Ip Address automatically.
then lookup or ping

Last, lookup with ISP provided Name Servers

Or if you still have problems try to set your router on another frequentie.
This can be done in de admin panel of the router. just search for it on google.

This post has been edited by RamonRobben: 06 January 2016 - 06:27 AM

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#12 no2pencil  Icon User is offline

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Re: WiFi keeps disconnecting

Posted 06 January 2016 - 06:21 AM

By 'Connect to the broad cast" I mean connect to your wireless router. It sends out a "broadcast" name. Do other devices have issues connecting to the router? Perhaps it's not the client (your laptop/Windows) that is the issue.
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#13 RamonRobben  Icon User is offline

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Re: WiFi keeps disconnecting

Posted 06 January 2016 - 07:43 AM

Ah thats a good one i didn't think about no2pencil.
Also im sorry for breaking your nice 6000 rep.
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#14 snoopy11  Icon User is online

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Re: WiFi keeps disconnecting

Posted 14 January 2016 - 02:42 PM

open up the command prompt

type netsh dump > D:\mydumpfile.dat

or if you don't have a secondary drive such as a D: drive stick in a usb stick and change the drive letter to the drive letter assigned to the usb stick.

post the contents of mydumpfile.dat which you can open up via notepad.

This post has been edited by snoopy11: 14 January 2016 - 08:28 PM

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#15 TheCoolFactor  Icon User is offline

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Re: WiFi keeps disconnecting

Posted 25 January 2016 - 05:14 AM

i apologize for not replying for a long time but i found out that the problem isnt from the modem but its from the wireless adapter its a Intel® Centrino® Wireless-N 2230.

mydumpfile.dat:

# ----------------------------------
pushd interface isatap



popd
# End of ISATAP configuration


#========================
# Port Proxy configuration
#========================
pushd interface portproxy

reset


popd

# End of Port Proxy configuration



# ----------------------------------
# TCP Configuration
# ----------------------------------
pushd interface tcp

reset

set global rss=enabled chimney=disabled autotuninglevel=normal congestionprovide
r=none ecncapability=disabled timestamps=disabled netdma=disabled dca=disabled i
nitialrto=3000 rsc=disabled nonsackrttresiliency=disabled maxsynretransmissions=
2


popd
# End of TCP configuration



# ----------------------------------
# Teredo Configuration
# ----------------------------------
pushd interface teredo
set state type=client servername=win8.ipv6.microsoft.com. servervirtualip=0.0.0.
0



popd
# End of Teredo configuration



# ----------------------------------
# 6to4 Configuration
# ----------------------------------
pushd interface 6to4

reset



popd
# End of 6to4 configuration


# ------------------------------------
# Bridge configuration (not supported)
# ------------------------------------

# ------------------------------------
# End of Bridge configuration
# ------------------------------------

The 'netsh advfirewall dump' command is not implemented in this version
of Windows. Instead, use the 'netsh advfirewall export' command to write
the current Windows Firewall with Advanced Security configuration from
the current policy store to a file on disk. You can then use 'netsh
advfirewall import' to read the file and load it into another policy
store, such as a Group Policy object or the current policy store on
another computer. To set the current policy store, use the 'netsh
advfirewall set store' command.
For more information about the commands in the netsh advfirewall context,
see Netsh Commands for Windows Firewall with Advanced Security at
http://go.microsoft....?linkid=111237.
# ----------------------------------------
# Wired LAN Configuration
# ----------------------------------------
pushd lan


popd

# End of Wired LAN Configuration.


Mobile Broadband configuration dump is not supported

# ==========================================================
# Health Registration Authority configuration
# ==========================================================
pushd nap hra

popd
# End of NAP HRA configuration

# ==========================================================
# Network Access Protection client configuration
# ==========================================================
pushd nap client

# ----------------------------------------------------------
# Trusted server group configuration
# ----------------------------------------------------------

reset trustedservergroup

# ----------------------------------------------------------
# Cryptographic service provider (CSP) configuration
# ----------------------------------------------------------

set csp name = "Microsoft RSA SChannel Cryptographic Provider" keylength = "2048
"

# ----------------------------------------------------------
# Hash algorithm configuration
# ----------------------------------------------------------

set hash oid = "1.3.14.3.2.29"

# ----------------------------------------------------------
# Enforcement configuration
# ----------------------------------------------------------

set enforcement id = "79617" admin = "disable" id = "79619" admin = "disable" id
= "79621" admin = "disable" id = "79623" admin = "disable" id = "79624" admin =
"disable"
# ----------------------------------------------------------
# Tracing configuration
# ----------------------------------------------------------

set tracing state = "disable" level = "basic"

# ----------------------------------------------------------
# User interface configuration
# ----------------------------------------------------------

reset userinterface

popd
# End of NAP client configuration


# -----------------------------------------
# Remote Access Configuration
# -----------------------------------------
pushd ras

set authmode mode = standard
delete authtype type = PAP
delete authtype type = MD5CHAP
delete authtype type = MSCHAPv2
delete authtype type = EAP
delete authtype type = CERT
add authtype type = MSCHAPv2
delete link type = SWC
delete link type = LCP
add link type = SWC
add link type = LCP
delete multilink type = MULTI
add multilink type = MULTI
set conf confstate = disabled
set type ipv4rtrtype = lananddd ipv6rtrtype = none rastype = ipv4
set wanports device = "WAN Miniport (SSTP)" rasinonly = disabled ddinout = disab
led ddoutonly = disabled maxports = 2
set wanports device = "WAN Miniport (PPPOE)" ddoutonly = disabled
set wanports device = "WAN Miniport (L2TP)" rasinonly = disabled ddinout = disab
led ddoutonly = disabled maxports = 2
set wanports device = "WAN Miniport (IKEv2)" rasinonly = disabled ddinout = disa
bled ddoutonly = disabled maxports = 2
set wanports device = "WAN Miniport (PPTP)" rasinonly = disabled ddinout = disab
led ddoutonly = disabled maxports = 2

set user name = Administrator dialin = policy cbpolicy = none
set user name = Guest dialin = policy cbpolicy = none
set user name = Saad dialin = policy cbpolicy = none

set ikev2connection idletimeout = 5 nwoutagetime = 30
set ikev2saexpiry saexpirytime = 480 sadatasizelimit = 100

popd

# End of Remote Access configuration.




# -----------------------------------------
# Remote Access Diagnostics Configuration
# -----------------------------------------
pushd ras diagnostics

set rastracing component = * state = disabled

set modemtracing state = disabled

set cmtracing state = disabled

set securityeventlog state = disabled

set loglevel events = warn


popd

# End of Remote Access Diagnostics Configuration.




# -----------------------------------------
# Remote Access IP Configuration
# -----------------------------------------
pushd ras ip

delete pool

set negotiation mode = allow
set access mode = all
set addrreq mode = deny
set broadcastnameresolution mode = enabled
set addrassign method = auto
set preferredadapter

popd

# End of Remote Access IP configuration.



# -----------------------------------------
# Remote Access IPv6 Configuration
# -----------------------------------------
pushd ras ipv6



set negotiation mode = deny
set access mode = all
set routeradvertise mode = enabled

popd

# End of Remote Access IPv6 configuration.



# -----------------------------------------
# Remote Access AAAA Configuration
# -----------------------------------------
pushd ras aaaa


popd

# End of Remote Access AAAA configuration.




# -----------------------------------------
# WinHTTP Proxy Configuration
# -----------------------------------------
pushd winhttp

reset proxy

popd

# End of WinHTTP Proxy Configuration

# ----------------------------------------
# Wireless LAN configuration
# ----------------------------------------
pushd wlan

# Allow filter list
# ----------------------------------------


# Block filter list
# ----------------------------------------


popd
# End of Wireless LAN Configuration

This post has been edited by TheCoolFactor: 25 January 2016 - 05:15 AM

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