Windows laptop won't connect to internet using airport express connection

Hi. I don't know what I'm doing wrong. I set up airport express on my imac g5 so I could share the internet with my windows laptop. I have a wireless notecard plugged into my laptop (802.11gg)--the laptop recognizes a wireless network with my imac no problem. I'm able to access the internet with my imac, but my laptop can't. I have a cable modem with the ethernet cable attached to airport express. I set up the wireless network using wep. Am I missing something? Please help! Thanks!

I had a similar issue this morning. My problem was my password. Apple will allow short passwords with wep encryption. Other manufacturer's don't.
"The multiplatform issue
Being an older protocol, WEP password treatment was not implemented uniformly by all wireless hardware and operating system manufacturers. Some products require users to enter relatively cryptic hexadecimal characters (four bits each), while others allow "plain language" password entry. A plain language password, like "apple", uses standard ASCII characters that are 8 bits each.
Products that allow plain language (ASCII) password entry may not force the network administrator to create 5- or 13-character passwords that would result in the required 40 (5*8) and 104 (13*8) bit-length passwords. Instead, they use a "hashing" routine to convert an odd-length password to the correct bit length. The multiplatform issue arises when the hashing results of products from two different manufacturers don't match each other. The resulting "network equivalent passwords," which are always given in hexadecimal format, are different."
In my case I made the password 13 characters long and everything works fine now.
http://docs.info.apple.com/article.html?artnum=108058

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Cant connect to internet using airport?!!!

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Thanks

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Bob,
I plugged the Ethernet directly into my Imac, clicked on DHCP, and I was connected. Plugged my airport express back in, unplugged cord from computer back to airport express, waited for green light on airport, tried to connect to my network, unable to get to the Internet. Wifi was on, just not able to connect to the internet.
So, I unplugged again, plugged ethernet cord into computer, back on the internet.
Puzzled. Airport seems to be working fine, amber light when first plugged in, green light after a few minutes.
Tried plugging in airport to comcast modem, reset modem, waited 5 minutes, tried to connect to internet, not able to do so.
Airport utility says airport express is fine.
needless to say, Im at a high level of frustration. Never ever had a problem this bad.
wondered if I unplugged airport express for 24 hours, then tried again, hoping it would clear out any memory on board and start the whole process of creating a new network over again.
Suggestions?
Thanks by the way.
George

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Suddenly, my PowerBook can't connect to the internet through Airport Express. Monday late afternoon--everything was fine. Put it in sleep, come back a few hours later, can't connect.
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Saw that some other users began having problems with USB/printer connections Monday. Could my problem be related?
What gives?
Any ideas?

Hello mnkyby. Welcome to the Apple Discussions!
It sounds like your AirPort Express Base Station (AX) in not getting a proper IP address from your modem.
Try this ...
o Connect to the AX's wireless network, and then, run the AirPort Admin Utility.
o Go to the Internet tab.
o Note the value for IP address. (Note: Do not list it here on the forum, just note what it is.)
o Is the IP address what you would expect from your ISP or is it something like: 196.254.x.x?
If the latter, try the following ...
Modem/Router Power Recycling - Quick
o Power-off the DSL/Cable modem, AX, & computer(s); Wait at least 5 minutes.
o Power-on the DSL/Cable modem; Wait at least 5 minutes.
o Power-on the AX; Wait at least 5 minutes.
o Power-on the computer(s)
If this fails to get the modem to "recognize" the Internet router, then try the "Full" version.
Modem/Router Power ReCycling - Full
o Power-off the DSL/Cable modem, AX, & computer(s). (Wait at least 30 minutes. If possible, leave the modem off overnight.)
o Power-on the DSL/Cable modem; Wait at least 15 minutes.
o Power-on the AX; Wait at least 5 minutes.
o Power-on the computer(s)

Connecting a webcam using airport Express.

I have a Logitech webcam that I use with ichat. The webcam is working fine when connected directly to the MacBook via usb port. I would like relocating the webcam and use Airport Express to connect it wireless. Is it possible?

hi
the only option is to get a wireless webcam for Mac
you can do search on
http://www.google.co.uk/search?hl=&q=macwirelesswebcam&sourceid=navclient-ff&rlz=1B3GGLL_en-GBGB393GB393&ie=UTF-8
there are couple around but the image quality is not as good as you get from a usb webcam but hey it still good if you are doing surveillance purpose

Macbook pro wont connect to internet using cable, but connects using wifi fine

My macbook pro wont connect to the internet using a cable, but connects using wifi fine. I use wifi at home but sometimes need to use my laptop at work and connect using a cable but it says i'm not connected to the internet?

Can you open a terminal and invoke the following commands:
ping -c 10 localhost
and
ping -c 10 google.com
You should normally get something like:
PING google.com (74.125.224.103): 56 data bytes
64 bytes from 74.125.224.103: icmp_seq=0 ttl=55 time=19.053 ms
64 bytes from 74.125.224.103: icmp_seq=1 ttl=55 time=37.692 ms
64 bytes from 74.125.224.103: icmp_seq=2 ttl=55 time=46.988 ms
64 bytes from 74.125.224.103: icmp_seq=3 ttl=55 time=33.466 ms
64 bytes from 74.125.224.103: icmp_seq=4 ttl=55 time=28.940 ms
64 bytes from 74.125.224.103: icmp_seq=5 ttl=55 time=58.070 ms
64 bytes from 74.125.224.103: icmp_seq=6 ttl=55 time=33.335 ms
64 bytes from 74.125.224.103: icmp_seq=7 ttl=55 time=33.361 ms
64 bytes from 74.125.224.103: icmp_seq=8 ttl=55 time=36.099 ms
64 bytes from 74.125.224.103: icmp_seq=9 ttl=55 time=41.111 ms
--- google.com ping statistics ---
10 packets transmitted, 10 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 19.053/36.811/58.070/9.939 ms

Can't connect to Internet using airport

I am trying to connect to internet wirelessly, using my Airport Extreme (802.11n), but it won't work. When I use the ethernet cable directly to my MacBook Pro (as I am now) internet comes fine. I have done many tests, change configuration, but nothing works. I really don't know what the problem is and what to do.
Thks for helping,
Marco

Just as an update, I have been able to reestablish connection by resetting the airport base.

Windows laptop not able to access internet thru apple express network

I run macs all day long but was given a windows machine. I am trying to hook up on the net via a dsl apple network my brother has. I connect to his network but cannot get on the net. I have tried other(motel) wireless networks and they all work. He has had only 4 windows machines say they cannot connect. I am one of them. Have tried numerous settings but still no go. help anyone?
(should have just bought a powerbook!)
G4 desktop Mac OS X (10.3.9) Windows laptop

I am able to connect to his network.
Do you get a valid IP address?
If it is 169.x.x.x or similar then you have failed to authenticate.
What is happening is your PC can see the network, but is in fact not connected.
he is using a
wep password.
One of the problems with WEP is that the actual standard relies on a 10 character HEX key for 40bit WEP and a 26 character HEX key for 128bit WEP.
In order to make things easier for people, vendors use certain algorithms to convert simple alphanumeric passwords (or passphrases) into HEX keys, thus enabling people to use simple memorable WEP password rather than lengthy HEX keys.
The problem is that different vendors use different algorithms to generate the HEX key and therefore a ASCII password on an AEBS will be hashed differently on a Netgear client and vice versa.
One thing is a 13 character 128 bit WEP password will be hashed by all vendors in the same way (if you use 40bit WEP then a 5 character password is required).
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AirPort: Joining an encrypted wireless network
http://docs.info.apple.com/article.html?artnum=106424
Choosing a password for networks that use Wired Equivalent Privacy (WEP)
http://docs.info.apple.com/article.html?artnum=108058
Did you look at the guides I linked to in my other post in this thread?
I just cannot go on to the net. no
email or browser.
If you do have a valid IP address then in a browser try
http://17.254.0.91
and report back.
iFelix

Cannot connect to internet using Airport

I am having difficulty connecting my new Airport express to the internet. Everything connects fine modem>Airport (WAN) and then back to my computer (LAN) and I get a green light on the Airport but when I open the safari browser it says I do not have an internet connection.

Hello mfort77. Welcome to the Apple Discussions!
It's always a good idea to perform a complete power recycle whenever you change network configurations.
Try the following, in order, checking for Internet access after each step, until resolved:
1. If the modem has a reset switch, use it to reset the modem. Wait at least 5-10 minutes for the modem to initialize.
2. Remove power from the modem. If it has a backup battery, remove this as well. Wait 5-10 minutes. Replace the battery, and add power back to the modem.
3. Perform a complete power recycle of your network components as follows:
Modem/Router Power Recycling - Quick
o Power-off the modem, 802.11n AirPort Extreme Base Station (AEBSn), & computer(s); Wait at least 5 minutes.
o Power-on the modem; Wait at least 5 minutes.
o Power-on the AEBSn; Wait at least 5 minutes.
o Power-on the computer(s)
If this fails to get the modem to "recognize" the Internet router, then try the "Full" version.
Modem/Router Power ReCycling - Full
o Power-off the modem, AEBSn, & computer(s). (Wait at least 30 minutes. If possible, leave the modem off overnight.)
o Power-on the modem; Wait at least 15 minutes.
o Power-on the AEBSn; Wait at least 5 minutes.
o Power-on the computer(s)
4. Contact your ISP to have them perform a "modem reset."

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I am currently using cablevision and a modem, wirelessly, working fine.
have extensive music library, want to play it through home stereo wirelessly.
acquired airport express. computer finds it fine, but cannot skip using A Express as wireless connection
help?

you should be able to launch Airport Utility and setup your Express from scratch. The process is fairly self explanatory for me however, I found this tutorial that is pretty good and should get you through this ok, it's got screen shots to use as reference and covers the setup you are attempting to achieve.

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Regards,
Alex

Solved.
I had likely the same problem. It was solved by replacing the home router internal connections with a real switch.
Many home routers will not properly multicast the required Airplay/Bonjour multicasts. Netgear and D-Link for instance does not work, although some ASUS routers work if you turn off IGMP snooping and fiddle with the firewall, but only with some firmware, so it is very iffy.
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I have a cable modem (Comcast) connected (WAN) to my
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another room) and use the LAN port to connect an
Ethernet cable to a computer's Ethernet port?
If you "Join an Existing Wireless Network" the ethernet port on the AX is DISABLED. If you set up a WDS network using the AX to extend the range of your AEBS, the ethernet port will be ENABLED.
Will
the AE LAN port have a local IP address ( i.e.
10.0.1.5) available for a wired Laptop to connect to
the internet (or even attach a non-wireless internet
web camera)?
Properly configured as a WDS network, the device connected to the AX ethernet port will pull an IP address from the AEBS, just like any other connected device. You can also configure this connected device with a static IP address, outside the range of the dynamic DHCP addresses.
I hope this is not too basic......

Unable to connect to Internet via Airport Express - 'cannot contact server'

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My AE is connected - the light is green - and my mac is connected to the network in Internet Connect. But when I open Safari I get an 'unable to contact server' message.
I've tried rebooting everything (modem, AE, Mac), and leaving modem/AE off for several minutes. Also reset the AE, but to no avail.
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Any ideas?

Thanks, I checked out that advice doc (106798), but could not connect to the address (http://17.149.160.49) which is given to test if it's a DNS issue. My ISP says I shouldn't need DNS settings.
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