After 10.4.10 no ethernet and Airport come and go!

After I upgraded to 10.4.10 my MacBook can't read any network connection from the Ethernet port. Changed cables, went to 3 different modems, nothing. It shows there's the port but when I plug the cable it doesn't recognize.
Than my only chance to enter online: Airport! Nothing there too. Connection comes and go, sometimes not even Skype enters, sometimes browsing is impossible.
Than I updated my Airport Express and things gor REALLY wild!
Now guys...I'M WORKING HERE! My choice for Macintosh was for reliability, and good support. I've been seeing a lot of complains, as the ones with new QuickTime version that needs a third party gyzmo to work.
Is anybody listening at APPLE???

Hey, Apple doesn't listen lest you want fork out for an iPod, Iphone, or iTV... we're just Users like you, here only to help!
The very first thing I'd do is get Applejack...
http://www.versiontracker.com/dyn/moreinfo/macosx/19596
After installing, Reboot holding down CMD+s, then when the prompt shows, type in...
applejack AUTO
Then let it do all 5 of it's things.
At least if it doesn't fix it, it'll eliminate a few questions.
Besides, once you really, really need it... you can't install it!

Similar Messages

Can time capsule connect to ethernet through airport extreme and then send wifi on a different band ?

Hope this makes sense.
At the moment, an Airport Extreme (n) is connected to a single wall outlet by ethernet and sends wifi signals at both 2,4 and 5 GHz.
I would like to add a Time Capsule (also n), position it immediately next to or above this Airport Extreme and connect to the AE with a very short ethernet cable (so not extending the Extreme's wifi signal since that could reduce the signal's strength by half).
This way both are connected to the internet by ethernet (the AE directly to the wall outlet, and the TC to the AE's ethernet out), hence both should be able to send wifi at full signal strength.
In order to achieve full wifi strength I would then set the Extreme to (only) send at 2,4 GHz and the Capsule to (only) send at 5 GHz.
Please note that the house has an open (loft style) floorplan, so there's no reason to position the AE and the TC at a distance from each other for wifi reach throughout the house.
Dear Bob, what do you think? I've been reading up but didn't find a directly related post.
Is this the right way to go about it?
KInd regards.

I would like to add a Time Capsule (also n), position it immediately next to or above this Airport Extreme
The position immediately above is poor.. and next to each other is even worse.. you are blocking the antennas from one side or the other..
Please use a patch lead of around 2M (6feet) min.. and place them that far apart.
very short ethernet cable (so not extending the Extreme's wifi signal since that could reduce the signal's strength by half).
Having the devices link wirelessly causes the speed to drop by half which is caused by double hop wireless.. it does not reduce signal actually.. but you can have interference issues.
In order to achieve full wifi strength I would then set the Extreme to (only) send at 2,4 GHz and the Capsule to (only) send at 5 GHz.
Please note that the house has an open (loft style) floorplan, so there's no reason to position the AE and the TC at a distance from each other for wifi reach throughout the house.
The gap between two radio transmitters is so they don't flood the receiver on the unit next to them.. It has nothing to do with the room. If I stick two transmitter/receivers next to each other they need some space. It is also to give full access to the antennas which are spaced around the sides on the older N models.
You also cannot turn off one band.. If they are dual band models.. ie Gen3 AE and later. Gen2 TC and later.. they are permanently dual band. You cannot do anything about it.
You can simply set the channels.. although auto should work.. there are 11 channels for 2.4ghz.. set one to channel 1 and the other to 11.
At 5ghz there are heaps of channels.. set one to 36 and the other to 149.. or whatever is available.
You are not going to achieve anything much doing this unless you have more clients than bandwidth.. ie both boxes can fully service internet to up to 10 clients.. maybe more if each band is used properly.. you will gain nothing using two routers next to each other.
Beaten by your preferred forum eggs spurt.. !!

How do I know "Roaming Network" is working with Airport Express and Airport Extreme and should I use extended wireless network for third Express?

Attempting to eliminate a dead spot in Wifi coverage [and implement AirPlay] have one Airport Extreme 802.11n and two Airport Express 802.11n's.
http://support.apple.com/kb/HT4145
The Airport Extreme is of course connected to cable modem and Ethernet switch, and one Airport Express is connected to the Ethernet network. As per instructions for creating a "Roaming Network", Airport Express is set to same SSID, security type, and Password.
Questions:
1. How does the client device know which Airport to connect to? In other words, will it switch to the closer WiFi transmitter automatically? The WiFi reception problem is intermittent in the fringe areas so what I do not want it for it to stick with the more distant Airport Extreme in the basement when the Airport Express which is closer will work better.
2. How can I tell which of the Airports the attached client device is using?
The third Airport Express will be in a third location - I was planning on using it also for expanding coverage but after reading the warnings about performance suffering when purely using WiFi for the expansion in this location ("Wireless Extended Network" without an ethernet connection) I have figured that the single wired Airport Express will be adequate and will use the third Express to do Airplay only.
http://support.apple.com/kb/HT4259
Question: Can I use this second Airport Express to extend the wireless network via "Extended Wireless Network" while the other two are in "Roaming Netowrk" configuration? Without bogging down??
Mitch

1. How does the client device know which Airport to connect to?
The Mac computer will automatically connect to the wireless access point with the strongest signal...which is probably the closest AirPort. An iPhone or iPad may not do this and will tend to stay connected to one AirPort.
2. How can I tell which of the Airports the attached client device is using?
On a Mac, open Macintosh HD > Applications > Utilities > AirPort Utility. Click on one of AirPorts. In the area to the right, locate the AirPort ID and jot that down. Then do the same for your other AirPort.
Move your Mac near one of the AirPorts and log on to the wireless. Hold down the option key on the Mac while you click the fan shaped AirPort icon at the top of the screen. Look for the BSSID. That is the AirPort ID of the device to which you are connected.
If you are close to the "remote" AirPort, and you see the AIrPort ID of the "main" router when you are testing, then you know that the network is not configured correctly.
Can I use this second Airport Express to extend the wireless network via "Extended Wireless Network" while the other two are in "Roaming Netowrk" configuration? Without bogging down??
There will be a modest 10-15% bandwidth loss with the "extend" setup, assuming that the Express is located where it can receive a strong wireless signal from the AirPort to which it is associated. You can avoid the bandwidth loss if the Express is also connected via Ethernet as part of the roaming configuration.

Can't forward ports with Cisco EPC3925 and Airport Express and Extreme!

Hello,
I have very big problem, I've been trying for whole day to forward ports for steam and I just can't I tried everything, I have Cisco EPC3925 ( Its main thing I think its router - right ? ) Then I have connected Airport Express to it with ethernet cable ( It's working as DHCP and NAT I have double nat issue in my airport program I don't know what is this ) also Airport Express is set to create a Wi-Fi network, then I have connected Airport Extreme with Wi-fi and set to exceed wi-fi network and can't change anything in it , can't open ports etc. etc. MY COMPUTER is connected to Airport Extreme ( 2nd device ) with cable ! So Im not connecting my computer to internet with wi-fi
Also I've been looking in Airport Express ( the 1st device ) and I saw that there I can open ports , but I opened them and nothing happend ... ports are still closed... Also I've set my computer ip to static , tried everything . And portforward.com site isn't helpfull . Also I tried to set Airport Express ( 1st device ) in bridge mode and nothing happend ( after I set it to bridge mode I can't open ports in airport program )
Please is there anyone that can Help me with this ????
Also I want to say that somehow I dont know how, but I managed to open ports in the past
I need to open all necessary ports because If I can't open them - I can't make a server and people can't join . I really really need help I've spent whole today's saturday to get it to work and this won't work !

Tesserax wrote:
I have Cisco EPC3925 ( Its main thing I think its router - right ? )
Yes, the Cisco EPC3925 is a combination modem and wireless router or gateway device. This is the device that you would need to configure for port forwarding/mapping.
Then I have connected Airport Express to it with ethernet cable ( It's working as DHCP and NAT I have double nat issue in my airport program I don't know what is this )
A "Double NAT" condition is when you have two or more routers in series where they all have NAT enabled. NAT is a service that is intended to allow you to share one Public IP address with multiple Private network clients. This is what allows you to have more than one computer on your local network have the ability to share an Internet access.
Since you have your AirPort Express connected to the Cisco by Ethernet AND the Express is configured to have NAT enabled is why you are getting a Double NAT warning.
Normally you would want all downstream routers to be reconfigured as bridges (NAT & DHCP disabled).
also Airport Express is set to create a Wi-Fi network, then I have connected Airport Extreme with Wi-fi and set to exceed wi-fi network and can't change anything in it , can't open ports etc. etc.
You will need to reconfigure the Express as a bridge. The fact that you have configured the Extreme to extend its wireless range is fine.
Also I've been looking in Airport Express ( the 1st device ) and I saw that there I can open ports , but I opened them and nothing happend ... ports are still closed
You do not want to open ports on the Express. Again, if you reconfigure it as a bridge you won't need to as all of its ports will be opened.
Ok I understand what u said, so I set my airport Express 1st device in bridge mode - if I do that I can surf internet without problems etc. Then when I set it to bridge mode my computer gets adress 192.168.1.X ( My computer gets 13 and I've set it to be static ) so my computer is 192.168.1.13 then -> I open ports for example 2700-27015 ( for steam ) in my router cisco website witch is 192.168.1.1 and in ip adress label I put my computer adress 192.168.1.13 after I do this I reset the router and turn it back on after all this everything should work fine and my ports should be open right?? Well..I've tried it.. after this I can surf internet without problems of course but my ports are still closed ... Im checking them on http://www.canyouseeme.org/ and it says they are closed I've tried with pultiple ports such as 80 .. and it just won't work I don't know why..
Also someone told me to use DMZ on and in ip adress put WAN ip of my airport express ( if its NOT set in bridge mode ) and open ports for my airport ( also I tried to open for my computer too ) - It doesn't work
Please friend tell me you can help me ..
Message was edited by: bolo822

AirPort Extreme and AirPort Express and STILL lag in Battlefield

Hello,
I recently purchased an AirPort Express, hoping to increase speeds of my wifi (currently getting around 10-13 mbps) so when I play Battlefield: Bad Company 2 on my Xbox 360 on Live, I wouldn't lag out.
Well, it did nothing. The Express is plugged in directly behind the XBox 360, so I can run ethernet to the AirPort and give my Xbox an N signal. That didn't help. So I disconnected the ethernet and hoped maybe the wireless would be fast for some reason. Well, I still lag through the match (not consistently, but at least several times each match I attempt to play) and 2/3 games I don't even get to finish because it kicks me out. I've considered going through the trouble of port forwarding but the last time I tried that, I saw no difference and thought I may have done something wrong. If there are any suggestions or very accurate walkthroughs for port forwarding, setting up a DMZ/default host, etc., let me know please. I'd love to enjoy my games on Xbox. But something tells me these Airp

If you want to try wireless again, you can give this a shot. I just discovered it, and it seems to have solved issues for me.
Open AirPort Utility; select your Extreme and/or Express and choose manual setup.
Click >Wireless
Change Radio Mode to 802.11a/n - 802.11b/g
Click >Wireless Network Options
Change Transmit Power to 50%
Check >Use interference robustness < This step is purely optional. It's worth a shot.
I've been noticing issues with performance of my Time Capsule for a while.
It really started with lack of good range, followed by lousy performance with my iPhone 4 and iPad 2. I was lucky to get 10% of what my speed really is (1.5 Mbps vs. 15.9 Mbps). My iMac was the only thing that seemed unaffected.
I attempted to setup a Sony Media Player (stay away from them- junk!) then a Roku XD in my bedroom only 20' down the hall from the Time Capsule (direct line of sight). Signal kept dropping and performance was lousy for both. I want another new Apple TV for the bedroom, but that TV doesn't have an HDMI port. I ended up running an ethernet cable down the hall... until this morning.
After some digging, I found a forum talking about WiFi performance for iPhones and stumbled upon something kinda basically unrelated, but gave me the idea to dig into AirPort Utility a bit deeper. Changing power to 50% didn't sound logical, but lowering output power was mentioned in the forum. AirPort Utility goes from 100% to 50% then lower. Nothing between 50% and 100%. I'll know more about range later today, but I have a feeling it may be mysteriously improved as well.
Hope it works out for you!

Windows XP SP 2 Home and Airport Extreme and Mac OS X 10.4.11

At this time my girlfriend just had a Comcast connection in Howard County Maryland installed. She does though want eventually to connect a MacBook Pro running 10.4.11 to the Comcast connection. I don't know where to read the settings to copy into the Airport Admin Utility of an 802.11n Aiport Extreme base station so both the Mac and the PC will be able to share the same connection, and then what settings to configure on the PC to be able to see the airport settings. If someone has a step by step set of instructions I can see to read in XP, I'll see if I can follow them. Bear with me, as it may take a couple days for me to get over to her machine and see where the settings are. I won't be doing it until after I purchase a Time Capsule to replace my existing base station at my home, and move the Extreme base station to her apartment.

Comcast's cable internet service uses the standard DHCP protocol to provide client computers with a connection and an IP address. Since this is the default configuration of Apple's base stations, they should "just work" when plugged in to Comcast's cable modem. Resetting the modem connection is often necessary if it has previously been connected to a computer - do this by unplugging the modem from power for five minutes or so.
There is no special configuration required on either Macs or PCs to establish a wireless connection to an Airport base station, particularly one that hasn't yet been configured for wireless security (ie the default state). Just select the Base Station's wireless network and connect to it - that's it.
In its default configuration, the Airport Base Station will be able to connect with Comcast, share the connection, and allow PCs and Macs to connect to it wirelessly. The only configuration of the Base Station that should be done is to (a) give it a unique admin password, (b) give it a unique name for the wireless network it is transmitting, and (c) select a security protocol (preferably WPA) and a wireless security password. That's it - and the Airport Utility will walk you through that whole process the first time around.

Airport Extreme and Airport Express and Slingbox (and ProxySTA) = confused

I have an Airport Extreme Base Station (AEBS) acting as a router behind an Actiontec modem (in bridge mode) on Verizon in the east coast.
I can connect my Slingbox Solo to the AEBS with an ethernet cable and set everything up to see video off the internet in another city - fine.
But I really would like to have my Airport Express connect to my AEBS as a wireless bridge (using ProxySTA) with my slingbox connected to my Airport Express through a ethernet cable (they are in a different room from the AEBS).
I've confirmed both my AEBS and Airport Express are the latest models, n-capable, etc.
I think I've followed all the instructions correctly for setting up the wireless bridge (I followed these instructions: http://discussions.apple.com/thread.jspa?threadID=2638404&start=15&tstart=0)
I have also done port forwarding of the Slingbox Solo in AEBS (using the method discussed at the bottom of this page: http://forums.dealmac.com/read.php?4,2774962)
Anyway the problem is that the slingbox is not working the same as when I had it connected to the AEBS directly by cable - the slingbox is "recognized", and is listed in AEBS's client list, but still regular video signals aren't coming through.
(Please don't be too thrown off by the fact that this is a slingbox; the advice I'm looking for could apply to anything being connected, like an Xbox, a playstation, etc. )
I've tried a few obvious things like hard re-sets of both Airports and the slingbox to no avail.
I have a sense that the problem may have something to do with my port-forwarding and/or other settings -- I'm totally a babe in the woods here.
There are a few issues I'm confused about, and would appreciate clarification on:
For the port-forwarding ip address, was it correct of me to use the "DHCP reservation" ip address I had setup in AEBS for the slingbox?
For the Airport Express settings, should I have selected the "join network" or the "extend network" option (I've read conflicting advice about this)?
I configured the port-forwarding of the slingbox ip address before setting up the wireless bridge configuration. What is the interplay between these 2? Do the wireless bridge settings need to be integrated into the port-forwarding settings in some way? Should the wireless bridge ip address be port-forwarded in addition to the slingbox ip address?
I have come across this discussion (second from last post): http://hintsforums.macworld.com/showthread.php?t=84151&highlight=proxysta which introduced these new questions to me - how should I set up my settings at AEBS ->Internet->NAT? Should I enable default host? enable NAT port mapping? what should be filled in if using Enable default host?
Message was edited by: H L

But I really would like to have my Airport Express connect to my AEBS as a wireless bridge (using ProxySTA) with my slingbox connected to my Airport Express through a ethernet cable (they are in a different room from the AEBS).
It's not documented in Apple's user guide, but the only way to use ProxySTA is configure the AirPort Express to "join" a wireless network and "enable ethernet clients" during setup.
The Express will not provide any additional wireless coverage when it is configured to "join". It simply receives a wireless signal from your main router and provides a signal at the ethernet port. In effect, it becomes another LAN port on your main router supported by a wireless connection. (You won't get ethernet speeds...you'll get wireless speeds).
The main advantage of setting the AirPort Express up this way is that it provides better bandwidth performance.
If you use the "extend a wireless network" setup, the Express provides more wireless coverage in the area where it is located AND the ethernet port is also enabled in this configuration. But, there is some bandwidth loss providing the additional wireless coverage.
So, it's a compromise to choose which setup will provide you with the best performance. If you don't need the additional wireless coverage from the Express, the "join" setup would be the best choice, performance wise.
If you have the Express setup to "extend" now, you can perform a simple test to see if you got the configuration right. Just plug in a laptop to the ethernet port on the Express, turn off the wireless on the laptop, and see if you get an internet connection when you open your browser.
If you do, the configuration is correct. If you don't, something is not right with the configuration of the Express.
Sorry, I can't help on the port forwarding questions. That really should be another post.

Is anyone using NETGEAR Push2TV with a MacBook Pro and AirPort Extreme and does it work well for you?

I am interested in buying a NETGEAR Push2TV display TV streamer to use with my MacBook Pro and AirPort Extreme.
I saw on the Netgear site that a Intel Wireless Display/WIFI driver software is required for PC's; do we have this software installed already on our MacBook Pro's? Is any one using this box and does it work well for you, any problems or setup issues?

trying to find out same thing , store said works with new intel processor, My mini dont finding.....

Advice to extend range from Time Capsule - wireless and ethernet with Airport Express and Airport Extreme

Current wireless network is Time Capsule (connected to a Cisco router, 1GB switch to servers and printer 1) to Airport Express (wireless) and to Airport Extreme (wireless). Distance means poor signal at the Extreme which has 2 printers (ethernet cables) and an iMac (wireless)
Solution is to connect the Extreme to the Time Capsule via Cat 6 ethernet cable
How do I configure the TC and the Extreme?
I will keep the Express for a wireless extension to the TC

Wired Ethernet from the TC to the AirPort Extreme will result in much better performance. It sounds as if you are not configuring the AirPort Extreme correctly.
Please try the following steps carefully:
Unplug the Ethernet cable from the AirPort Exteme if it is not already unplugged. With the AirPort Extreme powered on, hold in the reset button on the Extreme for 10 seconds and release. Allow a full minute for the Extreme to restart
Connect the Ethernet cable to the WAN "O" port on the Extreme.
Click the AirPort icon at the top of the Mac's screen and wait a few seconds for a listing of New AirPort Base Station to appear. Just below that, click on AirPort Extreme.
The example below displays an AirPort Express. You will see AirPort Extreme.
AirPort Setup will open up automatically and take a minute to analyze the network, then announce that the Extreme will be configured to extend the Time Capsule network.
Enter a device name that you want to use for the Exterme and click Next
Wait a minute while AirPort Setup configures everything for you. When you see the message of Setup Complete, click Done.
That's it. Pretty simple. Things should be working fine now.

Time Machine and AirPort extreme and 10.6.6 update

Two issues. One, I have an AirPort extreme in my basement with a IOmega drive connected to one of the ethernet ports. I use Time Machine to back up my iMac (located on the main floor) wirelessly to the drive. I just read you should not use the connections on an AirPort for backups.
Two, I discovered this because, while trying to update to 10.6.6 the computer would not finish the update. After 18 hours of trying to write the files I gave up and restarted the machine. Ran Disk utility and it's telling me the internal drive is corrupt and needs to be repaired. (Invalid volume count) I tried Tech Tool and it could not repair it. I'm afraid I may have to erase the disk, but before I do this I wanted to make sure my Time Machine is going to be able to restore my drive, which brings me back to issue #1.

If you didn't repeat running Repair with Disk Utility until you got a clean bill of health it is possible that your disk may still not be in good shape. Sometimes it takes multiple passes to get the job done.
You are skating on very thin ice trying to update your system that resides on a disk that has had recent directory errors without having even one known reliable backup. At this point you are down to zero known reliable copies of your data if the 10.6.6 update isn't successful.
If the 10.6.6 backup doesn't work boot from your Leopard install disk and run Repair until Disk Utility reports no errors. Then I would very strongly encourage you to restore your Time Machine backups to an external drive or make a bootable clone of your internal drive before you try to upgrade. Restoring Time Machine backups is the only way to verify that they are good. External drives aren't that expensive these days, particularly in comparison to risking losing your data.
If the 10.6.6 update doesn't work download the Mac OS X v10.6.6 Update Combo and use it to update.
Only after you have a working system should you erase your Time Machine backups and start over using an Apple supported method. Many people, including me, keep a Time Machine backup on one drive and a bootable clone on another. Carbon Copy Cloner and Super Duper! are both excellent cloning software products. CCC is donationware and Super Duper! has free and paid versions.
No one knows for sure why Apple does not support backing up to a NAS. It was a feature of the Leopard beta but was pulled before release. From what we have seen posted in this forum I assume it wasn't a particularly easy fix to get it working reliably.

Mail and Airport Extreme and iCloud?

I'm certainly receiving to my .me mail account but for some reason the little spinning wheel is constantly spinning beside my .me/icloud mail account - as though it is continuously trying to get messages - ??? This seems wrong and must clog up my wifi network.

Apple compares the products for you here:
http://www.apple.com/compare-wifi-models/
In general, the AirPort Extreme will run circles around the AirPort Express in terms of performance, so unless there is a special reason that you need the AirPort Express, you might want to give the Extreme a closer look.

HT201441 Hi, what if I don't know who had the device before.. I am working in a company, where we have a huge amount of iPhones and people come and go. When they leave the company, they turn in there phone after it has been erased and then that is it.

Now I have a stack of Iphones that I can't use and I don't have a track record of who had them.??
From a company point of view, it is not very smooth.

If you haven't kept records of who had what phone, or required the user to wipe the phone properly before returning it (maybe time to update your company policies), you'll have to contact Apple Support directly and provide proof of ownership for these devices.
Although there is no published process for getting devices unlocked, there have been reports that Apple can unlock corporate owned devices in situations such as yours, when device ownership is able to be proved.
In future, when someone returns a phone, make sure they go to Settings > General > Reset > Erase all content and settings and enter their password for the process to complete. Then you'll have no problems.

Airport card and ethernet show connection but I cannot connect to network

I have an iMac where I can connect to the internet within 10-15 seconds of turning on airport or plugging in cat-5 wire to use the ethernet connection. After this time frame I must turn airport off and then on to regain the connection. Or, if hard wired, I must remove the cat-5 and plug it back in. I have seen many posts similar to this on forums. However, all of the posts pertain to a wireless connection only. I have tried most all of the solutions people have offered including zapping my PRAM. Unfortunately, I have had no luck with any of them.
Three things to note:
1. I believe this problem occurred after a power loss at my home. No power surge - just lost power. I can't be certain on the timing but thought this should be mentioned.
2. I have upgraded from 10.5 to 10.6 to try to rectify the issue - didn't work.
3. I have switched from comcast to AT&T - different router/different connection/different network preference - and nothing changed.
So, the problem is not with the connection itself as I am able to connect for a few seconds. It doesn't pertain to the OS as I have upgraded and still no fix.
Thanks in advance for your help.

You have not detailed the router being used..
Please tell us if you are using an apple router and which one.. exact model will help.
Is the modem also a router? And wireless?
Try clearing out all the old settings from the wireless.
Reboot and do a clean setup.. certainly if there is an apple router it should have a factory reset and a new clean setup.
For ethernet it doesn't work like wireless.. it is based usually on dhcp.. things can go wrong though.. test with a static ip set on the computer.
Sometimes just age catches up.. old computers and routers and cables.. you need to test with new routers, new cables and new computers.. to locate where a problem is actually occuring.

How to Set Up Time Capsule With Airport Extreme and Airport Express

Just got a new 1TB Time Capsule. I want it to be the main base station for my network. I already have a network set up with an older Airport Extreme base station and an Airport Express to extend it. I am thinking that rather than setting up the Time Capsule to "join" the old network, the best approach is to disconnect the Airport Extreme and Airport Express and reset them. Then set up the Time Capsule as a brand new network and bring the reset Aiport Extreme and Express onto the new network as if my original network never existed.
Is that the right approach or am I complicating it? Can I just join the Time Capsule to the existing network and still make it the main base station for the network?

evelK wrote:
Just got a new 1TB Time Capsule. I want it to be the main base station for my network. I already have a network set up with an older Airport Extreme base station and an Airport Express to extend it. I am thinking that rather than setting up the Time Capsule to "join" the old network, the best approach is to disconnect the Airport Extreme and Airport Express and reset them. Then set up the Time Capsule as a brand new network and bring the reset Aiport Extreme and Express onto the new network as if my original network never existed.
Is that the right approach or am I complicating it? Can I just join the Time Capsule to the existing network and still make it the main base station for the network?
I'd first use AirPort Utility to "Save a Copy As" of your AirPort Extreme settings. Then disconnect it, connect the Time Capsule in its place, and use AirPort Utility's "Import" function to read those settings. (Both of those functions are under AirPort Utility's "File" menu.) You may have to adjust a few settings. Once you have the Time Capsule working as you want, you can reconfigure your AirPort Extreme unit as you wish.

I have an imac OS 10.4.11 and am using Safari 2.0.4. I would like to update this. I have 1 Gb memory. Do I need more memory to update my computer? I would also like to add an airport system and something where I could read word applications.

I have an iMac OS 10.4.11 and am using Safari 2.0.4 I would like to update. I have only original 1 GB memory-do I need more to update?I would also like to add an airport or router and would like to add something where I could open word applications. Is it hopeless?

Thanks. That's a Mid-2007 model with an Intel Core 2 Duo processor. You can run any version of Mac OS X on it up to and including Mac OS X Lion, though for Lion you'd need to increase the memory to at least 2GB, something I'd recommend doing anyway; it's inexpensive and often can increase performance. Your iMac can take up to 6GB if RAM; 4GB is probably a good compromise between cost and performance with a 4GB kit costing about $50.00 US from a reliable vendor such as Crucial.
Your system already should have included the Airport wireless networking capability, so all you'd need would be a wireless (WiFi) access point (aka "router" or "base station") and an appropriate Internet connection. Apple's Airport Express and Airport Extreme, and the Time Capsule if you'd like to have a built-in hard drive for backups and extra storage, are good choices for a WiFi access point, but there are a number of other manufacturers.
As to upgrading the operating system, as I said, you can upgrade to Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, or Mac OSX 10.7 Lion (the most recent release). Apple no longer lists Mac OS X 10.5 on their web site, but if you call the Apple Store you may still be able to purchase a copy. Mac OS X 10.6 Snow Leopard is easily available as is Lion though with Lion you'd need the $69.00 USB flash drive installer or you'd need to purchase and install Snow Leopard first (other than on the flash drive, Lion is only available from the Mac App Store which can only be accessed from Mac OS X 10.6.6. or later). Before you decide, I'd strongly suggest you find out what versions of Mac OS X your applications and perpherals will support, either as they or with a free or affordable update. I'd suspect most of your applications and peripheral drivers would need to be upgraded, at least to support Snow Leopard or Lion. If you consider Lion, make sure of your applications; Lion will no longer run PowerPC-only applications, so many older appliations will not run under Lion.
Finally, as to Microsoft Word documents which is what I presume you mean, you can of course just purchase Microsoft Office. There are other ways to work with Word documents, though. If you just need to view Word documents, TextEdit in MOSX 10.6 and 10.7 (and perhaps 10.5; I can't remember) can open and view many Word Documents. For something a bit more capable, you can purchase Apple's Pages, part of the iWork suite and now available separately for Mac OS X 10.6 and 10.7, or try one of the open-source solutions such as LibreOffice.
Regards.

After 10.4.10 no ethernet and Airport come and go!

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