Laptop Will Loose Network Functionality?
Apr 13, 2011
My Dell Studio 1558, specs: Core i5 2.4Ghz, 4GB DDR3, 640GB HD, Radeon 5470 has a very weird problem. Occasionly, either once a week or twice a day the network functionality will literally dissapear. The icon still displays on the tray but when I click it nothing happens. If I try and connect to the internet it will say there's no internet connection. Also if I try and open the Network and Sharing Centre explorer stops responding and has to be restarted. If I try and shutdown the laptop it will just hang on the Shutting Down splash screen and has to be forced off. The laptop is still IN warranty however I want to fix it myself as I cannot face Dell
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Jun 30, 2011
I have battling this issue since I bought this router, at least 2 years.
Using:
DIR-615
PC XP Wired
2 Acer laptops Vista wireless
All DHCP reserved
Security using wpa_psk
Not sure what other router info you need. All are connected to the internet, but can't see each other on the LAN. We can see each other from time to time. Sharing is allowed. Passwords are shared. I can power off the router and the network will be fine for about a day, then gone again. Workgroups are the same.
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May 18, 2012
I thought that there are more security issues than LAN issues, I have a network with 11 computers of which 1 is SME server and 10 are clients (mainly 256MB DDR1 tech machines withceleron D processors, onboard VGA and sound; there are few 1024MB DDR2, AMD Sempron LE processors). All clients have XPSP3, .NET framework 1.1+2.0, Office 2003, AvastFree 7.0, Mozilla Firefox 7.0 and several utilities not very important. Every client has 2 users (Admin and User) on Local Machine and 1 on DOMAIN (UserDomain). Both User accounts are limited. First, all computers were in same workgroup and not part of DOMAIN. In that time, printers on clients were shared among themselves and worked flawlessly. After joining the clients to the DOMAIN, the work continued without issues. One day, I have changed the name of the SME SERVER computer and the issues have started. Several clients can not connect to those shared printers, even others are using them well. When I want to add shared printer I can not browse the particular computer on which the shared printer is (through ADD PRINTER wizard). I manage to do it writing the full path of the particular computer and there I can choose the printer.
After selecting it, username and password is required to finish the adding. Of course I use the Admin username ad password, and after typing it error message pop up (printer is unavailable or can not connect to it). After this I close all windows, start the adding procedure again, and then I can add the printer normally. The problem continues, because, on those computers on which I have had this complicated way of install, after several days shared printers refuse to print saying Access denied. Then I have to delete the printer again, install it twice and hope to work after that for a weak at least.
The problem is getting bigger, as on one client computer I can not print from browsers (Firefox 7, IE 8) but from Office there is no problem. Of course I have checked other topics about this and use setups-modifications-advices but they did not solve printing problems. I have even reinstalled that computer, but the problem remains.
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Nov 22, 2012
Have Win7 and XP systems in my network wire connected to the router. When IP of both systems are not reserved, each computer can see other network computers and devices, five in total.A good thing that both systems get each time same IPs which even got not changed since I upgraded from E1200.When I reserve an IP for each system exactly that they currently have, both systems loose ability to see other network computers. Network shares not affected, I still can remotely access my XP box remotely from my 7 via RDP by computer name. WDTV Live wirelessly connected to the router can get/update its IP address (no connection issues) but same as others cannot see network resources.
Tried different ways, rebooted, finally ended up with device reset pushing the button.The next day I managed to reproduce the issue, but was able to revert by disabling/enabling of DHCP server.Another issue I got with an external HD connected to the router when some files got converted to folders by uTorrent started from that drive.I had to use Unlocker application to be able to delete folders converted. I can just assume that issue because of anonymous access was enabled to the external disk. No problems when same HD connected to PC USB.
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Dec 19, 2011
I am currently looking to upgrade and extend my home network with preference to dual band and gigabit functionality. My problem is choosing the correct hardware.I want dual band to separate the network for the kids (a PC, laptop, Xbox 360 and phones all wireless) and set up parental controls and maintain connection speeds etc. For my needs I need the network to be connected to my Onkyo AV Amp (for internet radio and music streaming only), Blu-ray Player, Sky HD satellite box (all wired) and a PS3 (pref wired) and a few wireless devices all N capable. Apart from the obvious gaming capability I would like to be able to stream HD video to the PS3, PC (wired) and laptops via a USB HDD connected for now on an access point or modem router to save on the cost of having separate networked devices.
I currently have ADSL so I was looking to get a dual band gigabit modem router to serve the kids wireless hardware whilst my current hardware is on another floor and is connected with a wire from the existing modem but I have to keep swapping it from PS3 to amp etc.In short I am hoping to have a gigabit, dual band ADSL modem router and connect to a gigabit access point (with dual band if possible) via the cable I have sent to the other floor to wire up the 4 devices. I've currently been looking at Netgear and Buffalo solutions as I've had problems with Linksys and Belkin routers in the past. Would this be possible with just 2 devices (modem router and access point) whilst maintaining decent speeds and if so can someone shed some light as to what I should get.
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Jan 22, 2013
I already mention on another topic that I have problems with my Nokia 500 wireless connection with the router. From time to time (in some cases after few seconds since the connection was made) it's loosing the connectivity with the router. Normally it's loosing the connectivity when the connection it's not used by any phone application.Is this normal? I want to mention that the power saving function of the phone it's disabled so the problem can be from the router.I already tried TPIK only but no success.
The router has the following setings:
- Enable Auto Channel Selection - checked
-Transmission Rate : automatic
- WMM Enable: checked for QoS
- Cipher Type : auto
- PSK / EAP : PSK
Advanced wireless:
- Beacon interval : 100
- RTS Threshold : 2346
- Fragmentation : 2346
- DTIM interval : 1
- Preamble Type : Short
- CTS Mode : Auto
- Wireless Mode : n/g/b
- Band Width : Auto
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Feb 22, 2011
I've purchased and am trying to use a Dir-655 rev. B, running firmware 2.00NA. I have two hard-drive style Apple Tv's. They can see my wireless network, and after putting in the passcode, can connect. They at this point are visible to iTunes and can play any/all of my content. However after a period of non-use, they go into standby mode, and upon waking, can no longer connect to my network. I have to re-do the wireless each and every time
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Jan 18, 2012
I'm having a problem with my WCG200 wireless gateway. I can sucessfully use it to connect to the internet using the wireless feature but only for a short time (10-30min at a time). Eventually, I loose the connection. I'm not sure if it's a modem issue or an ISP issue but only one of my two laptops has this trouble.
Symptom: Connecting with a Dell Lattitude E5520 laptop It works normally until the "US" and "Online" LEDs turn off and only the DS light is left blinking. At that time I no longer have a connection to the internet. Once I cycle power on the WCG200 it re-connects and works for a while, then the same issue repeats. I cleared the modem log and let the failure occur again to record the fresh log.
I attached the Modem Log in case that would troubleshoot. I've got the security of the modem set to allow the laptops MAC addresses and using WPA-personal / TKIP encryption. I never had this problem until I started using a new laptop, I'm starting to suspect that my ISP is disconnecting that laptop for some reason ?
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Nov 29, 2012
I have one WLC 2504 with 7.3.101.0 code and 4 APs 1142 in Flexconnect mode all of them are in one group with 2 SSIDs in two differents VLAN:
-Admin VLAN 151
-Corporate VLAN 158
-Guest VLAN 159
-The auth is 802.1x using an ACS ver 4.2
I connect my Laptop to the corporate SSID and start to have access to web services, intranet services, etc but arround 15 25 min after i connect i lost connectivity to my GW and all the services but i still have my IP info. I do some tests on MAC books, Laptop with Windows XP, 7 and 8 and its the same for all. I config one switch port in the corporate VLAN and i never loose connectivity.
If i reset the WLAN connection all start to works.The ports in the SW are in trunk mode and almost always the APs are in connect mode.
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Mar 20, 2013
I have a EA3500 and my wireless computers keep getting disconnected about every ten to fifteen minuets. I have the newest firmware. My android phone also is having the same issue. My internet connection is stable and my wired connections do not get disconnected at all at any time. Is there something I need to setup in the configuration to resolve this?
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Jun 29, 2012
We are having problems with a two router 3945 in HSRP and a switch 2960.The two routers are connected to the switch 2960 through differentes ports. The problem is that we loose connection between the router and the switch.When we excute the command: show cdp neighbor at router, it shows nothing.If we try to make ping to the 2960 switch it is no reachable.If we make ping to the other router 3945 it is not reachable.All other function of the router are o.k.We are attaching the IOS of the routers and switch 2960 and a document in which make reference to a BUG in which mention about arp overwrite due arp attack which produce DoS.
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Apr 9, 2012
I am using WRVS4400N in our company as a AP only. Before some time, when majority of wireless clients were computers, everything worked fine. But now, when mobile devices are in majority, something strange is happening. While portable computers still work fine, smart phone and tablet have extreme problems.
Although there is indicator that WiFi is connected and signal is strong, there is no guarantee that there is an internet access. Most of the times there is none. You can fix this by simply disconnecting and connecting WiFi on mobile device, but after a while, internet will be inaccessible again. Or you can wait and eventually you'll get to the internet access again.
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Jan 24, 2012
Not too much networking savvy - but here goes. Want to use router as local lan - no wireless. When router is connected to laptop via RJ45 I loose my ability to connect to sites via browser. IPconfig shows wireless adapter at 192.168.1.3. When router is attached it's ip is 192.168.1.1. Disabled the wireless in the settings but no dice. When the router was used with DSL it was set at PPPoE but now that I'm just using it locally not sure whether it should be DHCP or Static or other.
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Sep 6, 2011
As soon as i modify my wireless to be unsecured, I looy ability to usse me the internet on all wired ports as well as all wireless. From the routers point of view it still has a good solid internet connection. Passes traceroute, but wont allow any wired or wireless connections on the internet. I'm trying to get a Linksys WRE54G v1 to work with this so my parents can have internet once more. If i manualy remove the security to allow the one touch Auto configuration button to work i loose my ability to surf until i run the Cisco Connection software to turn back on the passwords.
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Oct 18, 2011
I have a DIR-651 Router (I could not find one for the 651) and I would like to use it as a router only.Is there a way to disable the wireless functionality.
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Nov 2, 2011
choosing Ios for a funcionality.
We need to upgrade Ios in a 6509, the reason for we need to upgrade IOs is that we need implement the command xconnect in a interface. The current version of Ios not suport this comand.
How do we select the new IOS that suport this command?, ..we see a long list of IOS in the software download section of 6509, but not sure which one to choose..
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Oct 19, 2010
With lms 3.2 during installation we can choose what to install i.e. not install DFM or IPM.
How can we do this in the new release 4.0 of the LMS bundle. I saw no options for it during installation of the new server.
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Jan 22, 2012
Using the VRF- Lite functionality on Cisco 3750G's (WS-C3750G-24T-S), I've got a situation currently with a set of 3750's running inter- v LAN routing for around 80/90 connected sub nets (140+ gig ports). I'm looking in the coming week at creating a new VRF and enabling OSPF for that VRF while leaving the existing routing arrangements in the Default IP Routing Table.
I'm in a situation where I can't replicate the live config into a lab to test the impact / implications of enabling / creating VRF's. I know the 3750's have a very small support for VRF's (24 if I recall) but I only plan on using 2 or 3 max currently.
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May 16, 2011
Im running a fairly simple server from my own desktop. However my desktop is connected to the internet via Wifi. When i make my static IP i am still conected to the internet. However I cant load any pages in mozilla firefox. Though! I can still talk to people on skype and Dolby Axon voice chat. how do i make the static IP without losing any functionality of my desktop, because it is my desktop, I use it for other things.
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Jul 21, 2011
i need to free up my 2811 router memory.so if i remove this package, it will cause impact or i will miss any functionality ?
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Sep 30, 2012
I am currently looking at the suitability of replacing an 'airbreak' firewall with 2 new ASA 5505'S.One stipulation i have is that i require to connect the third party that is currently using the 'airbreak' solution using a secure iPsec VPN.I have both 5505's that were supplied by the third party, but i believe i may need a new fireware upgradeI am using ASDM 6.4.XX and the ASA's have firmware 8.4(2) and a basic licence.Am i correct in assuming that the VPN wizard functionality is missing because of th firmware installed currently on both of the ASA's? or am i looking in the wrong place?
I have done a fair amount of research an can see earlier versions of ASDM wit the VPN wizzard so can only assume it is down to the firmware.i see that the latest version for the ASA 5505's is 8.4.4 and was wondering if this will provide me with the functionality i require as it does mention in the documentation that it does support the clientless VPN options. What part number ASA5505-BUN-K9 relates too in relation to firmware for the ASA's? [code]
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Jan 31, 2012
Well I have been back and forth on this a while now...I have a 6513E chassis that is getting prepped for prod. I am currently testing sso functionality and I can only get it to work using the following images on both Sup Cards.
s72033-adventerprise_wan-mz.122-33.SXI5.bin
If I try any other image, smaller or bigger in size...it forces my Sup card in mod 8 to recycle " proxy request from peer ". I have tried K9 images and non K9 images. Here is an output from sh redundancy.
Redundant System Information : Available system up time = 4 minutes Switch overs system experienced = 0 Standby failures = 0 Last switchover reason = none [code]...
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May 31, 2010
the " password recovery functionality is disabled " service is running on the system .
im trying to access rommon in a Cisco 851, with not much success, i am sending a break after the image is loaded ( in the time frame that is allowed for that) .
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Jul 31, 2012
We just purchased this device and was curious if the firmware 3.0.2.0 or 3.0.1.0 has the CLI functionality like the Sx300 models with 1.1.2.0. I find it easier to configure via CLI then the WebUI.
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Nov 8, 2012
After years of flawless networking performance, computer cannot cannot detect, view or connect to available networks/devices. Wireless network icons/options not present. In "Network Connections", only Local Area Connection appears, and this is used to connect to the internet. Wireless functionality is enabled. Firewall disabled.
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Feb 22, 2012
Aside from the obvious differences between these two NAS`s (processor speed, max users, max groups etc) what are the actual real world differences in functionality between the two?
I`m also wondering what the `turbo` bit refers to?Any pros/cons of each??
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Oct 2, 2012
The only way I could get my EA6500 to work as auto DHCP to my Roadrunner Motorola SBV5220 Surfboard cable modem was to disable IPv6 support on the router. It appears that the EA6500 attempts to issue the DHCP request for address assignment from the modem using IPv6. I could see the status of "Connecting" for IPv6 in the Diagnosis Reports and it would hang. Once I disabled IPv6, the modem assigned an IPv4 address and everything worked fine. However, am I giving up any functionality by having to do this? I bought this router and the WUMC710 Universal Media Connector for the 5GHz connectivity for streaming and just wondered if I'm impacting UMC performance or any other functions of the router by having to disable IPv6.
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Jun 26, 2012
On previous cameras (eg: the 932L) we could enable the FTP function to send a snapshot image every xx seconds, set a base file name, and set the Overwrite file function. On the 942L, this functionality appears to have been removed from the code. How I can get the 942L to FTP the current image every xx seconds and overwrite the file on the destination? (just like the previous cameras) Perhaps there is a new way and I can't find how to do it?
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Aug 15, 2011
We have an aging 2611 router that that we need to replace due to the fact that its 10Mb/s Ethernet ports are limiting our internet connectivity throughput (we have a 20Mb/s circuit).
The purpose of the 2611 router was to route traffic from multiple devices connected to a 2950 switch's VLAN X to the internet. Can we achieve this same functionality with only a 3750C-48TS-S switch? Could a static route statement on the 3750 replace the need for the router?
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Nov 15, 2012
i buy my dell laptop inspiration n 5050 from 3 months it works fine till the last week i lost my wifi connection .i install anew windows but the same problem also i format all partitions without fixed>also i download fix it from microsoft but nothing happen
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Dec 30, 2011
I am considering the e4200 Vs the Asus RT-N56U router -- if " download master" type of functionality possible with the e4200 ?(Its a little app that comes with the asus router that allows you to download files directly to the USB storage even after the computer is switched off)
Could I do something similar with the e4200 ?
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Jun 27, 2012
I am upgrading the network equipment at my place of employment. We use Cisco C3560, 2960, 4506 and I was noticing that IOS 15.0.x is available. After doing some reading it appears that Cisco is going to a pay for the licensing functionality that you want. Do I need to purchase licenses to upgrade from IOS 12.X to 15.0.x to maintain functionality?
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Feb 10, 2011
We purchase a new 3945 router and a NM-1A-T3/E3 card. We would like to use the T3 funcationality so we enabled the command card type t3 1 (slot1), reboot the device.After reboot the sh ip int brief command should show the serial interfaces e.g serial1/0.In this case it doesn't, it shows the Gigi interfaces and ATM1/0 no serial interfaces.I've also tried upgrading to the latest IOS from cisco.
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