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My network switch LEDs all blinking even without LAN connected

When i'm plugging my network switch all the LED are blinking even without LAN connected to it. somebody pls help.

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  • Ching Ledda
    Ching Ledda Jul 28, 2008

    its me, thanks.

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  • Expert
  • 202 Answers

Hi,
guru benimur is right follow their instructions if done well 'n' good
if not
open you switch,heat the booster coils behind the rj45 socket and coils connected ic

Posted on Jul 28, 2008

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  • Master
  • 6,966 Answers

Hi,

The LEDS blinking normally would indicate reset internally or when the unit has just been powered on. Continous LEDs lighting up or flashing with or without a connection is an indication of extensive hardware failure. This could have been brought about by a near lightning strike, a power surge or simply component failure. Unfortunately the repairs is not economically reasonable and therefore a replacement might be better off. Sorry.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Posted on Jul 28, 2008

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Posted on Jan 02, 2017

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WHAT LIGHTS ON LINKSYS ARE SUPPOSED TO BE BLINKING


Note that incoming traffic will cause the WAN (or Internet) light to blink even if it is 'probe' traffic trying to break in to your network. Such traffic is to be expected and is the reason you have firewall functionality in your gateway router.

On the inside, there is a bit of traffic on any LAN when the computers are turned on. Messages generated by the router itself are used to find computers and printers for a lot of different legitimate reasons.

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Nortel 425 switch problem all leds are contentsly blinking


there might be looping issue, please unplug all the cables from the switch and then put one by one cable in each switch port and make sure that both ends or the cable should not plug to the swithc... also check in your network there wont be virus infected pc or device..

Dec 14, 2011 | Nortel Networks 425-48T Managed Ethernet...

1 Answer

I have a router Netgear fwp114pv2 .. power led and test led blinks and the router stuck at this blinking


Try RESETTING the router.
To RESET the Netgear, power up the Netgear then press andhold the RESET button at the back of the router until all the LEDs flash. Connect a LAN cable from the Netgear to the LAN port on yourcomputer, open a browser and enter the Netgear configuration URL -
http://192.168.0.1
The default login = admin
The default PW = password You can now change the admin password and configure thewireless settings.
Go to the wireless configuration and set up the SSID and WPA or WPA2encryption.
Apply these settings to the wireless card in your laptop/computer.

To secure your wireless network from unauthorized access, please click on thislink and follow my instructions :- http://www.fixya.com/support/r3559128-wireless_router_security

Jun 09, 2011 | NetGear FWG114P Router (FWG114PAU)

1 Answer

My d-link router name no longer appears in my wireless networks list - I can not find it to connect to the internet wirelessly


Hi, this seems to be either an issue with your router's hardware or local computer wireless adapter hardware. In order to determine which one is it do the following:

1. Go and check the LEDs on your wireless router to see if there are any blinking or switched off as stated in the official manual documentation for DLink products (can be found here or here more specific).
LEDS are as follows (left to right - per official user manual/doc):
- Power LED = A solid light indicates a proper connection to the power supply. cdekatrr_0.png
- Internet LED = A solid light indicates a proper connection to the Internet port. This LED blinks during data transmission. cdekatrr_1.png
- WLAN LED = A solid light indicates that the wireless segment is ready. The LED blinks during wireless data transmission. cdekatrr_2.png
- Local Network LEDs = A solid light indicates a connection to an Ethernet-enabled computer on ports 1-4. This LED blinks during data transmission. cdekatrr_3.png


2. Check the laptop's or desktop wireless adapter if it is disabled or enabled and if is disabled enable it by going to your computer's Control Panel (either winxp or vista/win7) and go to network connections (in vista/win7 put the control panel in detailed view to see more options) and then right click on your wireless connection and click enable.



3. In a case that also the wireless adapter is enabled but you still cannot see any access points/wireless networks please go to your current wireless connection and right click go "Diagnose", this feature is mainly available in windows 7 or Vista. For windows XP, go to the command prompt by going to Start->Run->type in the box "cmd" without the quotes->Then type in the following set of commands.
ipconfig /release ---> This will refresh your wireless card IP settings/configuration to 0.
and after that command finishes, type in:
ipconfig /renew --> This will get new settings if the wireless card has problems finding an address from your router.

You can always reset your router (unplug from power supply, wait 2minutes then plug it back in)
or:
Reset the wireless adapter (right click from on the wireless adapter shown in the network connections, disable and then re-enable it) or computer.

Thanks please let me know if you need anything else.

Mar 20, 2011 | D-Link Wireless N 150 Home Router 4Port...

2 Answers

I have a switch Dlink (DES-3026). All the status LEDs are blinking together with orange color. Is there any problem in that?


Blinking LEDs show data activity (Send & Receive) at the connected ports. So, there is no problem as long as the switch is performing well

Good Luck!
CreativeTECH

Feb 01, 2011 | D-Link Computers & Internet

1 Answer

Can't get my BL-PA300KTA to connect. I have plugged it in and pressed the Setup buttons (within 3 seconds Mater and Terminal). The PC, LAN, and Master lights are ligting up as they should (I believe), with...


I use these and the previous model without any issues.

1. They must be plugged into the wall socket. It's okay to use an extension cord between the adapter and the wall, but never a surge suppressor or UPS
2. The master need to be connected to you router
3. To test your connection do the following
-Plug the master into the wall at the router location
-Plug the slave into the outlet where the computer will be
-Press and hold the setup button on the slave unit only for 3-5 seconds
The leds on the slave will flash for a second or two and then turn solid.
The number of solid lights you see tell you what your connection speed will be 0-no connection, 1-<10MB , 2=-10-30MB, 3->30MB.

I always unplug the ethernet cables from the adapter when testing, but I don't know if that is necessary.

I have never gotten less then 2 leds in my house, but it's new.


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Switch with 8 leds blinking (and not working)


You probably have to buy another switch. However, before you try that - the eighth most right cable - switch that out to see if it was a cable problem. That's an easy thing to try before you buy another switch.

Mar 17, 2009 | D-Link DGS-1008D 8-Port Gigabit Ethernet...

1 Answer

Wireless router not connecting


Be sure that your Modem plugs into the WAN port on the router.

1. Unplug your cable/dsl modem power
2. Unplug your Router power
3. Plug in your modem power ... wait for it to come completely up.
4. Plug in your WRT54G Router and wait for it to come up.

Press the reset button on the back of the router for 45 seconds while it is powered on. This will do a factory reset. Wait for it to come up. Then unplug it. Wait 30 seconds and plug it back in. Let it come all the way up.

Plug a PC into one of the switch ports on the router.
Now do an ipconfig /release and ipconfig /refresh in the command prompt of your PC to get an IP address from your Router.

Now you should be able to ping 192.168.0.1 and you should be able to get into the the configuration utility by putting http://192.168.0.1 in a browser. The username should be blank and the password will most likely be admin (all lower case).

Be sure to lock down your wireless SSID so neighbors and people passing by are unable to connect to your access point and do bad things on your network.

Jun 10, 2008 | Linksys Wireless-G WRT54G Router

2 Answers

No power led, wlan led blinking


well, what you could try is unplugging the power source from the cable modem, and the router. wait about 1 minute. then plug everything back in and wait.

i remember having this problem as well, but i think the problem with me was that my wireless computer was too far away from the wireless router, not saying that your too far or not, but that what i had, so i just pitched the wireless adapter, and created an ethernet connection. just sharing my experience.

Feb 26, 2008 | D-Link DI 514 Wireless Router (DI-514)

2 Answers

Connection Problem


maybe its not in the hub/router, or in your lancard has the problem. try to change the networking cable you are using it sometimes the cable has a teared wire inside, or probably the lancard or your hub does not work for the type of networking cable, there are 2 types of connection for UTP cable first is the Straight through cable and the second is the Cross Over connection. Try to mix and match the cable that you have and try to use another one instead..

Nov 19, 2007 | Cnet CNSH-1600

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