Issues Connecting to internet with new Airport Express

Running a Macbook pro 15" - 10.4.11
I just bought a brand new Airport Express a few days ago. I just recently got my internet service through Comcast restored and am eager to get a wireless network up so I can play Xbox Live again.
So issue is this: I plug the ethernet cable from the Cable modem into the airport, the light goes green. The computer is registering a strong signal, Network preferences says Airport is connected to my network. However, Safari keeps saying its not connected to the internet. When i run system diagnostics, I get a green light on Airport, Network settings, system settings, and ISP. But the light on Internet and Server stay red, and Diagnostics says it can't fix the problem and I need to contact my ISP. Comcast said they couldn't help, my connection was fine and they even refreshed it to no avail. When I plug my Ethernet cable directly into my Macbook pro, I get on the 'net no problem. I'm dumbfounded.
I'd appreciate any sage wisdom offered. Thanks!
p.s: Also, when I run a connection test on Xbox 360, it picks up my network, connects quickly, ISP confirms, but ultimately fails at DNS Server. Hmm.

bl4ckr4bbit, Welcome to the discussion area!
Most cable modems require that you power them off when you switch the Ethernet connection from one device to another. Until you reset the modem it will not communicate with the new device. When the modem is powered on it detects the new device and starts talking to it.
Some cable modems have a reset button on the back for this reset.
Some cable modems have a small internal battery which must be removed for this reset to occur.
Sometimes the cable modems must be unplugged several hours or even overnight to allow equipment back at the ISP to reset.
Did you power off the cable modem when switching the Ethernet connection?

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I am unable to join my existing wireless network with new AirPort Express

I am unable to join my existing wireless network with new AirPort Express.
I am using a DLink DI-524 Router, Windows 7 (64), and the AirPort Express.
AirPort Utility will not recognize the AEX wirelessly, it will only recognize it when it is connected by Ethernet. I can then configure the AEX and verify that the settings stick once disconnected and then reconnected. However, even after that, it will not recognize the AEX once disconnected from the Ethernet cable.
I followed the suggestions of several other threads on these forums. But I am unable to get the AEX to work.
Any suggestions? Thanks in advance.

Welcome to the discussion area!
It's almost always a security setting that causes problems when the Airport Express (AX) tries to join a third party wireless network. The AX usually does not "join" correctly and that's why you can't see it on your wireless network using AirPort Utility.
Using an ethernet cable is still the more reliable way to configure and adjust the AX, but if you are want to try to configure it using wireless, you must return the AX back to factory defaults as follows:
Power down the AX
Hold in the reset button +and keep holding it in+ as you plug the AX back in to power
Release the reset button after 10 seconds
When it is set to factory defaults, the AX broadcasts a wireless signal with a network name like "apple network xxxxxx" where the "x's" are either letters or numbers. You must look for this network by clicking on the fan shaped Airport icon at the top of the screen. If you don't see this network, then click Join Other Network to search that way. Unless you connect to this network, you will not be able to configure the AX using wireless.
Do you know the exact security type that your D-Link router is using? That is the key element in the process.
Open AirPort utility, click Manual Setup
Click the Base Station tab to establish a name for the AX, device password and adjust time zone settings
Click the Wireless tab
Wireless Mode....Join a wireless network
Wireless Network Name...must exactly match your D-Link wireless network name
Enable ethernet clients if you want the port to be active (your D-Link must be compatible with ProxySTA for this to work)
Wireless Security...exact setting of the D-Link network. WEP security causes a lot of issues. Try to use WPA/WPA2 Personal, which is far more secure.
Wireless Password...must match the D-Link network
Click the Music icon to enable AirTunes
Click Update to save settings
Any luck?

Playstation 3 can't get on wifi with new Airport Express

Hi guys. I got the new Airport Express that was released a few days ago. My Mac and other iDevices all connect fine but for whatever reason my PS3 has issues resolving an IP address or whatever. At first I thought I'd solved it by turning off the only DHCP Reservation I had on (for my iMac) but the next day it's not connecting again.
Unfortunately I'm not much of a networking whiz.
I have it set to DHCP (not Static or PPoE) And I'm not sure what else to share but I'd really like to solve this.
It connected once or twice in attempts so I know neither the Airport Express Base Station nor the Ps3 is broken.
Just totally stumped here. :(

As an update, I noticed that the brief moments when my PS3 would attempt to connect, I would see another IP on my Airport Express Base Station. 10.0.1.3
So, wanting to try something out, I went into DHCP reservations on my AEBS and added a DHCP reservation for 10.0.1.3 and assigned my PS3's MAC address to it. I was able to connect instantly.
However, I've been connected briefly before, so only time will tell if it sticks. At this point I don't consider my situation resolved. Clearly my inability to connect has something to do with IP addresses and maybe the 'dynamic' one the PS3 sometimes gets assigned by the AEBS is something one of my other devices is already blocking or using?
I'm not a whiz at this stuff, so if anyone has any insights as to a good way to set up DHCP reservations so that everything works, I'm all ears.
Would it be wise to take the iMac, AppleTV, 2 iPads, and 2 iPhones and assign them ALL different DHCP reservations so that no one steps on anyone else's toes, so to speak?

Slingbox Solo no longer working with new Airport Express router

Help! I'm at the end of my tether trying to get my Slingbox to communicate with the new Airport Express I've just bought. Here's the deal...Obviously, as AEXP only has one Ethernet Port (under advisement) I had to go and buy a 5 port Ethernet switch. Cable modem connects to 1 port of the switch. AEXP connects to another port. Slingbox connects to 3rd port. Network light on Slingbox flashes incessantly and Slingplayer software tells me to makes sure the "Network Router the Slingbox is connected to has the correct Port Forwarding settings."
I have tried (via google) but cannot make sense of this. There should be no firewall obstacles as i am using MAC filtering and have added the MAC address of the slingbox to the AEXP settings. I know that Slingbox does work as it worked fine before with my Belkin router. Please can anyone help? I have called slingbox for ages and they are unable to help. Here's hoping someone here has brains and the patience i don't have! Kind Regards.

identitytheft, Welcome to the discussion area!
Sorry but you need to replace the Ethernet switch with a router which has more than one Ethernet port.
Since the AirPort Express (AX) only has a single Ethernet port it can not properly share an IP address to Ethernet clients.

Older Airport Extreme with new Airport Express

I have a new Airport Express and an older Airport Extreme (I think 1rst gen). I have been using the Extreme for a few years now and just got the express to help me extend the extreme. The Extreme's signal is very weak in some parts of my house. I cannot hook the two together via ethernet. Needs to be wireless. What's the best method? I only use the wi-fi for internet access and tv (netflix, HBOGO, etc). I do not share printers or hard drives. I'm wondering if the new express is better (range) than my older extreme? Should I use the express as my main base station?

Your Extreme should still provide better overall range over the 2nd gen 802.11n AirPort Express Base Station, so I would still recommend that you leave the Extreme as your "main" router.
You will want to use the following instructions to extend the wireless network from this Apple Support article.
The key to success if extending the Extreme is to place the Express within a 25+ dB SNR range of the Extreme as it can only repeat the signal with the same bandwidth that it receives it. If the signal is very weak the Express may not even be able to extend it at all.
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How can I use a new airport express on an older MAC? I am not able to install the new airport utility software because the MAC software is too old. Can I install the airport software on my newer PC. Will the older MAC be able to fist it and use it with AirPlay?

You can run Airport Express on v10.4 or later.
http://store.apple.com/us/product/MB321LL/A/AirPort-Express-AirTunes?mco=MTY3ODQ 5OTY
I use mine with two older laptops, one running Tiger, one running Leopard, as well as newer Macs running Snow Leopard.
Try installing the software from the CD. If there's a problem, you should see a dialog box.
http://manuals.info.apple.com/en_US/AirPort_Express_Setup_Guide.pdf

Getting bars but no internet with new airport extreme

HI,
I purchased a new AEBS for my restaurant. I set it up and it worked great. My Powerbook g4 was connecting and I was getting internet fine. The next time I went to the restaurant and opened my Powerbook I was getting airport bars but was unable to connect. My son has a Powerbook as well and he is connecting just fine. Several customers came in with Macs and they were also unable to connect. I know I'm getting internet from the modem. I've tried unplugging both the modem and AEBS and then reconnecting with no resolution. I've tried to re-set up the AEBS but it says it is not getting the IP address. I'm about to throw out the AEBS and go get a Linksys!
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Powerbook G4 aluminum, 1.25ghz
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I have no problem gettiing the Macbook pro to set itself up on the Airport Network. I can NOT, though, access the internet. I even tried to type in the IP address for the DSL modem while connected to Airport base and can not connect to modem. Does anyone have any advice? Is there a bridging function in the Airport Base that has to be activated?
Make sure you perform a complete power recycle when switching network components.
Modem/Router Power ReCycling
- Power-off the DSL modem & AEBS. (Wait at least 30 minutes. If possible, leave the modem off overnight.)
- Power-on the DSL modem; Wait at least 30 minutes.
- Power-on the AEBS; Wait at least 5 minutes.
If that doesn't resolve the problem, and your DSL ISP requires PPPoE for connectivity, you will need to set that up on your AirPort Extreme Base Station (AEBS) as follows:
Connect your computer directly (using an Ethernet cable) to the LAN port of the AEBS, and then, using the AirPort Admin Utility, check these settings:
Internet tab
- Connect Using: PPP over Ethernet (PPPoE)
- Account Name: <ISP account name>
- Change password: <ISP password>
- Always stay connected (checked)
- WAN Ethernet Port: Automatic
Another question. If I replace my current DSL Router with a wireless router, do I even need the airport base if all I want to do it connect to the internet with the laptop?
No, the AEBS will no longer be required.

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Just got a new Airport Express to replace an old ond that dropped off a lot. Works great with various Apple and Androids but Win 8 computer sees the network but can't connect.

Just got a new Airport Express to replace an old one that dropped off all the time. The new one works with various Apple and Android devices but will not connect to Wen 8 computer. The computer sees the network but can't connect.

Hello lucky3480;
I don't know what else to do. I'm thinking of possibly returning the unit and purchasing a wireless internet card to install in the tower. Any help you can provide would be great. Even suggesting a good wireless card at this point
Well it looks like you're not having any luck at all with this AX set up but please don't give on it just yet, it's a good choice for extending your Network. Your on the right path, just going backwards and in the wrong direction. You'll learn a lot about stuff this way but may lead to other issues.
Before I continue, let me know if you have returned the AX or still need help. Here's a link to Apple's PDF about [Designing AirPort Networks|http://manuals.info.apple.com/enUS/Designing_AirPort_Networks10.5-Windows.pdf] Click on it to open in Safari but then save it to your desktop. Now open it from your desktop and start reading Chapter 3, page 42.
Later...
Buzz

Issues Connecting to internet with new Airport Express

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