Ethernet vs WiFi

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  1. Posts : 18
    Windows 7 Home Premium
       #1

    Ethernet vs WiFi


    I installed WiFi some time ago, but the Win 7 PC downstairs did not have WiFi capabilities. I bought an adapter and it worked fine for a short time so I bought and installed another adapter. The other night it failed again so I dragged out my Ethernet cable and hooked it up to the PC. I contacted Linksys and went to Office Depot to make sure that I plugged the other end into either the router or the modem.

    The original modem and router are connected to my Win 7 desktop which does not have WiFi either.

    My Netbook and laptop still have WiFi as does my phone. But I can NOT get Internet on the PC downstairs with the Ethernet cable. I took the second adapter out before attaching the Ethernet cable.

    I'm not smart enough to change anything on my ISP settings for that has to be done.

    Does anyone have a simple suggestion? Or having any ideas why this is an issue. Should have been a simple connect, I would think.

    Before installing WiFi, all of my computers used an Ethernet cable, so why not now?
    Last edited by vegaspat; 16 Oct 2014 at 04:52. Reason: misspelled word
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  2. Posts : 18,415
    windows 7 home 64bit
       #2

    Try resetting your Router .. If that does not help read the Link below ...

    How to fix an internet connection
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  3. Posts : 18
    Windows 7 Home Premium
    Thread Starter
       #3

    Thanks. I will try both of those suggestions.
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  4. Posts : 18
    Windows 7 Home Premium
    Thread Starter
       #4

    Sorry, but I'm not getting email notifications on replies. After searching I can't figure out where the setting is for that.
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  5. Posts : 18,415
    windows 7 home 64bit
       #5

    Switch your Router off for a couple of minutes ... Then restart it ...
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  6. Posts : 114
    Windows 7 Home Premuim 64 Bit
       #6

    How far away is the router? Wireless signals do degrade over distance. I think Wireless-N is 200 feet? I do know that Wireless G is about 50 feet.

    Try to see if you can move the router and/or your PC closer together. Sometimes its just a matter of a few feet between a signal and nothing at all
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  7. Posts : 2,752
    Windows 7 Pro x64 (1), Win7 Pro X64 (2)
       #7

    vegaspat said:
    I installed WiFi some time ago, but the Win 7 PC downstairs did not have WiFi capabilities. I bought an adapter
    Can you please give the model of "adapter" you bought?

    From the rest of your post I assume it's perhaps a Linksys WirelessN USB AE1200 or AE2500. Is that what it was?


    and it worked fine for a short time so I bought and installed another adapter. The other night it failed again
    What exactly was the symptom of "failure"?

    There are several icons in the System Tray (notification area) relating to wireless communication. There's the Network icon, and also the wireless connections icon. What was the visual state of each one when you had "failure"?

    In other words, was there a small red X over it, was there a yellow exclamation mark, was there some other small overlay indicating a problem? If you hover the mouse over the wireless connections icon, what is the flyout help that appears? Same with hovering the mouse over the network icon... does it show "no internet access"?

    If you hover the mouse over the wireless connections icon (i.e. the one with the five bars), what does the flyout text show? If you left-click on that icon, do you see your router's wireless network as connected, or at least available for connection? If you right-click on that icon and select STATUS, what appears?


    so I dragged out my Ethernet cable and hooked it up to the PC. I contacted Linksys and went to Office Depot to make sure that I plugged the other end into either the router or the modem.
    Please provide the name/model of your router, as well as the name/model of the modem, as well as your service provider.

    If you're using a router, then the router's single WAN (i.e. Internet) port connects to the single ethernet port on the modem with an ethernet cable. And if you're using wired ethernet cable connection from PC to the router, then your PC plugs into one of the 1-4 ethernet (i.e. LAN) ports on the router with an ethernet cable.


    My Netbook and laptop still have WiFi as does my phone. But I can NOT get Internet on the PC downstairs with the Ethernet cable. I took the second adapter out before attaching the Ethernet cable.
    This is a desktop PC downstairs?

    Generally speaking, network connections are not "hot swappable". This means you generally cannot just pull things out and plug them in without first shutting the machine down completely to remove the USB wireless network connect, or to reconnect an ethernet cable to restore wired connectivity to the router where previously you had been wireless.

    It is always the right and prudent thing to do to shut your system down first, before changing network connections. Much goes on at Windows startup relating to networking wired vs. wireless, and this is not normally performed at other times. You can easily switch on-the-fly between available wireless networks (i.e. WiFi SSID's from nearby wireless routers or wireless access points), but going between wired and wireless or vice versa is another matter entirely.

    So again, did you shutdown your machine first before pulling the Linksys USB wireless adapter and putting back the ethernet cable, and then reboot after the change? Or did you try to do it "hot", i.e. on-the-fly just by doing the changes while Windows was up and operational in one of the two states?


    Before installing WiFi, all of my computers used an Ethernet cable, so why not now?
    Sometimes Windows wired connections develop an issue, where they just don't start... even though they used to, and even though you can "kick start" them into life and they will then work perfectly, at least until the next re-boot at which time they once again just don't start.

    One trick for kick starting them which might work for you is to DISABLE and then ENABLE them:

    Start -> enter "network connections" (without quotes) in the "search programs and files" field -> press ENTER

    This will produce the Control Panel -> Network and Internet -> Network connections dialog. Your specific wired ethernet network adapter (i.e. the wired NIC in your PC) will show up there (with its hardware name shown typically as the third line of one of the objects shown), and the first line of that object should say something like "Local area connections". It may have a red X on it or not, so which is it? It may say "connected", or "disconnected" or "network cable not plugged in". Anything?

    Anyway, if you right-click on that wired connection object, select "DISABLE" from the popup menu, and then wait a bit. You should probably see a little red X now appear over the network icon in the System Tray. The object in the Network Connections dialog should also show DISABLED.

    Then, right-click again on the wired connection object and select "ENABLE" from the popup menu, and then wait a bit for things to stabilize. Does the little red X now disappear? Does the Network Connections object now show ENABLED, and perhaps show a "network name" on its second line? If you hover your mouse over the network icon in the System Tray, does it now show "internet access"?


    Finally, why do you want to go wireless for your downstairs desktop PC, when previously it always was wired connected to the router? Just to eliminate the ugly cable?

    Just curious.

    Please provide the answers to my questions above, just so it's a bit clearer exactly what is going on.
    Last edited by dsperber; 17 Oct 2014 at 05:11.
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  8. Posts : 18
    Windows 7 Home Premium
    Thread Starter
       #8

    For some reason the adapter is working again. I honestly have no idea what is going on.

    The reason I bought an adapter for downstairs is I also have an old XP PC that I use for keeping files.

    To use both machines I had to have a Ethernet cable running from the setup upstairs thru the hallway and then down the stairs. I didn't want to break my neck tripping over the cable. Folks kept telling me to just buy an adapter. When it worked in the beginning it was great. No cables laying all over the place.

    I have a Linksys E900 and the adapter was one required for it.

    I was going to shut the Win 7 down and attach an Ethernet cable to the XP to see if the cord was an issue. I did drag another cable out the other day and that didn't work either.

    The adapter started working before I could get to trying the cable on the XP.
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  9. Posts : 18,415
    windows 7 home 64bit
       #9

    Lets hope it keeps working ...
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  10. Posts : 18
    Windows 7 Home Premium
    Thread Starter
       #10

    Well, I'm not too sure how long it will work. Before I booted up the XP I connected the Ethernet cable. I worked for an hour trying to figure out why I had no Internet connection even though both lights on the XP PC and the router were lite.

    So I put the adapter in and I had immediate Internet.

    I'm wondering if perhaps, when I installed the software for the adapter, it did something to the settings.

    I'm certainly not smart enough to figure out anything else.

    I really appreciate the folks who jumped in and tried to help.
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