Wireless network unstable/broken N500

My WiFi is really messed up, It works for about 20 minutes after a fresh reboot but then it goes down and is seen as inaktive and it can´t be aktivated by either the fysical button or any windows/lenovo function in the OS.
I've installed the latested drivers and updated everything. Checked my WiFi setup multiple times to rule out any other option exept my laptop. The funny thing is the Intel Admin pro program that shipps with the drivers, it shows my networkcard as inaktive when it works and aktive when it doesent.
Any one ever had the samee problem and managed to fix it? i really need my computer and its wifi asap.
Please help
Marcus

What we don't have is the dimensions of the building. However, I would say that from your AP layout that DCA will not be working very and you will not only see APs on the same channel but the power levels have probably also been set to maximum. Your issue is most likely being caused by co-channel interference because the clients are seeing multiple APs on the same channel.
I would suggest you manually set the channels as follows:
AP28 Chan 1
AP29 Chan 1
AP30 Chan 6
AP31 Chan 11
You might want to turn the power levels down as well if they are currently set to level 1.
You should also check that there are no other sources of interference.
Download this free utility:
http://www.xirrus.com/products/wi-fi-inspector
You can use this to monitor the area and check for signal strengths and signal to noise.
Try this and see if it helps with the problem.

Similar Messages

Currently have house wide wireless network and using external HD (USB) for time machine. HD broken. would Time capsule work with current routers etc or make them redundant?

I currently have a large house wide wireless network and I am using a dedicated Buffalo HD with USB for time machine. The HD has gone bad and can't be repaired. I am thinking of replacing it with a Time Capsule. Will this fit in with my current routers etc, render them redundent ? I THOUGHT THAT THE HD I BOUGHT WAS OF GOOD QUAILTY BUT IT HAS BROKEN AFTER 2 YEARS. HOW LONG CAN ONE HOPE FOR A TIME CAPSULE TO LIVE (USING QUALITY SURGE DEVICES ETC) ? Does one need to backup the backups?
ALSO: Is ther e any way to back up from Time Machine off site ( mobile me etc) in case the house burns down?

Steve M. wrote:
I know I should have redundant backups and should probably have a second external HD and eventually will.
Yes, that's best.
But for now, if I partition (I'm assuming I should) a new 1 TB external HD, how big should I make the TM partition vs. the SD partition at this point assuming I have under 100 GB on my internal Mac HD? Is this a feasible way of doing things here in the near term.
Your best bet is to make your TM partition 2-3 times the size of the amount of data you anticipate backing-up. Put it first on the drive; that way, later on you can delete the partition below it, expand the TM partition, and make a new, smaller partition for SD (or use the whole drive). See #1, #3, #5 and #6 in the Frequently Asked Questions *User Tip,* also at the top of this forum, for details.
By the way, any recommendations on which peripheral HDs to consider? I was very surprised on a recent visit to my local Apple Store that they have a large stock of WD My Studio drives. I mentioned to an Apple sales person that I had always heard WDs were kind of a no-no among Mac users but she assured me the current crop of them were much improved. Any comment on that??
Most any drive will work with Macs, and Time Machine.
If you're going to put a "bootable clone" on it, be sure it's a bootable drive. Most PPC Macs can boot only from FireWire; most Intels can boot from F/W or USB. But some Western Digitals won't boot a Mac. Their list of which ones should and +should not+ boot: http://wdc.custhelp.com/cgi-bin/wdc.cfg/php/enduser/stdadp.php?pfaqid=1787. But note the disclaimer that they don't support it +*at all.+*.
In addition, many of them have a built-in sleep mode that cannot be disabled, and sometimes interferes with Time Machine backups: http://wdc.custhelp.com/cgi-bin/wdc.cfg/php/enduser/stdadp.php?pfaqid=1376

"Extend a Wireless Network" seems to be... broken?

Hey guys,
Here's the scoop.
I have one Airport Extreme 802.11n that's connected to a cable modem. It's set to "Create a Wireless Network". It's at 5 GHz, and "Allow this Network To Be Extended" is checked. It works fine!
I have another Airport Extreme 802.11n upstairs that's set to "Extend a Wireless Network". I've then entered the network name and password of the original network. It successfully connects just fine to #1, and gets an IP address.
Then, I wander about.
When I get poor signal from the original base station (#1), and I enter the range of the extender station (#2), the laptop switches over to #2 and the network COMPLETELY DROPS OUT.
I.e., I can ping 10.0.1.1, but I cannot access the internet, no web pages can be loaded, etc. I'm stuck -- Airport is dead and I have to power down #2 and reboot.
Has anybody tried using two 802.11n Airport Extremes in this kind of configuration? With both set to 5GHz 802.11n only, and one sharing, the other extending?
If so.. what's your secret? Or is this just a striaght-up bug?
Thanks, Cabel
PS: Don't forget, this has nothing to do with WDS.

Hey guys,
Here's the scoop.
I have one Airport Extreme 802.11n that's connected
to a cable modem. It's set to "Create a Wireless
Network". It's at 5 GHz, and "Allow this Network
To Be Extended" is checked. It works fine!
I have another Airport Extreme 802.11n upstairs
that's set to "Extend a Wireless Network".
I've then entered the network name and password of
the original network. It successfully connects just
fine to #1, and gets an IP address.
Then, I wander about.
When I get poor signal from the original base
station (#1), and I enter the range of the
extender station (#2), the laptop switches over to
#2 and the network COMPLETELY DROPS OUT.
I.e., I can ping 10.0.1.1, but I cannot access the
internet, no web pages can be loaded, etc. I'm stuck
-- Airport is dead and I have to power down #2 and
reboot.
Has anybody tried using two 802.11n Airport
Extremes in this kind of configuration? With both
set to 5GHz 802.11n only, and one sharing, the other
extending?
If so.. what's your secret? Or is this just a
striaght-up bug?
I have the same identical configuration EXCEPT that I am not using 5GHz. Works beautifully. 100% coverage on 3 floors of my house.

Very unstable wireless network connection

I just installed archlinux in my notebook and, unfortunately, as the title says, I'm having a hard time getting my network connection to work properly.I'm getting disconnected every once in a few seconds.
I've already disabled ipv6 but that doens't seem to fix the problem.
Here is the dmesg message I get when it happens:
[ 848.249687] wlp3s0: Connection to AP 70:54:d2:b1:d7:e9 lost
[ 848.289419] cfg80211: Calling CRDA to update world regulatory domain
[ 849.704544] wlp3s0: authenticate with 70:54:d2:b1:d7:e9
[ 849.736454] wlp3s0: send auth to 70:54:d2:b1:d7:e9 (try 1/3)
[ 849.743221] wlp3s0: authenticated
What's the problem?How to fix it?
By the way, I'm using wpa_supplicant and dhcpcd to connect.

Rebooting and connecting with the wifi-menu did not solve the problem.
Here is the lspci output:
03:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723AE PCIe Wireless Network Adapter
Subsystem: Realtek Semiconductor Co., Ltd. Device 0726
Flags: bus master, fast devsel, latency 0, IRQ 18
I/O ports at d000 [size=256]
Memory at f7900000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Virtual Channel
Capabilities: [160] Device Serial Number 01-23-87-fe-ff-4c-e0-00
Kernel driver in use: rtl8723ae
Kernel modules: rtl8723ae
04:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device 5289 (rev 01)
Subsystem: CLEVO/KAPOK Computer Device 3700
Flags: bus master, fast devsel, latency 0, IRQ 41
Memory at f7800000 (32-bit, non-prefetchable) [size=64K]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Endpoint, MSI 00
Capabilities: [b0] MSI-X: Enable- Count=1 Masked-
Capabilities: [d0] Vital Product Data
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Virtual Channel
Capabilities: [160] Device Serial Number 00-00-00-00-00-00-00-00
Kernel driver in use: rtsx_pci
Kernel modules: rtsx_pci
04:00.2 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller (rev 0a)
Subsystem: CLEVO/KAPOK Computer Device 3700
Flags: bus master, fast devsel, latency 0, IRQ 47
I/O ports at c000 [size=256]
Memory at f2104000 (64-bit, prefetchable) [size=4K]
Memory at f2100000 (64-bit, prefetchable) [size=16K]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Endpoint, MSI 01
Capabilities: [b0] MSI-X: Enable- Count=4 Masked-
Capabilities: [d0] Vital Product Data
Capabilities: [100] Advanced Error Reporting
Capabilities: [160] Device Serial Number 01-00-00-00-68-f5-90-00
Kernel driver in use: r8169
Kernel modules: r8169
Oh, and dmesg | grep driver_name:
[ 6.908781] rtl8723ae: Using firmware rtlwifi/rtl8723fw_B.bin
I'll read those links you sended.
Last edited by instinct (2013-11-01 21:24:30)

7.5.2 Causes unstable ethernet connection (join a wireless network)

My express stopped to perform its bridge function after 7.5.2 updated.
I have this con:
- Join a wireless network
- Allow Ethernet Clients
- WPA/WPA2 Personal.
It's bridging a wifi network from an Airport Extreme also running 7.5.2
Express has been extended my WiFi network to ethernet (2 floor in the building) perfectly fine in the last 2 years. After the updated is was almost impossible to ping the device on the ethernet network. (the 2 floor segment Express is bridging was isolated)
Solution was to rollback to 7.4.2 on the Express.
Please Apple fix 7.5.2 I believe it's way buggy (SNMP doesn't work as well!!)

Not much to add to this except "me too". The same configuration, too: an Airport Express configured with "Join a wireless network" and "Allow Ethernet Clients", bridging a wifi network from an Airport Extreme running 7.5.2 using WPA2.
After upgrading to 7.5.2, long transfers from the device plugged into the Express (i.e., the "Ethernet Client") work for a while and then just stop dead. For example, a 6 gig transfer will stop around 4 gigs. A power cycle of the Airport Express brings it back to life temporarily, but a rollback to 7.4.2 on the Express brought it back to life permanently.
(Yes, I've reported this as a bug to Apple - I know they don't read these discussions).

Help with setting up wireless network with ibook

Okay, I just purchased a cheap little belkin f5d7050 USB adapter to connect my G3 iBook to my wireless network, I do a few things on this computer, and would like to use it not hardwired to my router, since there isn't much room where I have the router...And the reason I purchased this card is because I saw there are drivers on the Belkin website for this little guy. Purchased it, and found out it is version 3xxx, and on the website the only drivers they have for Mac OS X is for version 2xxx. The guy(in very broken English) told me that ralink.com(found out it is ralinktech.com or something like that) has drivers for version 3xxx. I downloaded what I could find at that website, and installed, which went fine, seemed to of installed the same thing the driver did that I got from Belkin, and I install it and restart, and then I go into Applications to start it up, and I open it up, and then it says no device is connected, so I connect the adapter, and the little light doesn't light up on the USB adapter, not sure if it is broken, or that is because there are some steps I am missing.
Anyone have any ideas? Gone through the same thing?
I just don't want to dish out for an airport card, since I rarely use this thing for that kind of money. I got this one for like 14 bucks, so I thought I'd give it a try.
Right before I installed it, it told me after install and restart I have to configure this interface in Network Pane of System Preferences before I can use the Wireless USB adapter. How do I go about doing this? This might be my problem.
So any help would be greatly appreciated, thanks!
Jordan

USB wireless devices have always been a problem it seems.
Maybe this post can offer some answers...
http://forums.macosxhints.com/showthread.php?t=26858

New Airport Extreme N wireless network setup questions (WDS, D-Link)

I have finally been able to set up my Airport Extreme N network after numerous attempts over the last few weeks. I was getting a very weak signal in front of the house where my wife's G4 is connected wireless to an old Airport card and where all the systems (XBOX 360; Wii and PS3) are also wirelessly hitting the network.
The current configuration is as follows: In the office in the back of the house I have an Airport Extreme N basestation connected to the cable modem and have three workstations (One Mac and two PCs) wired to it. I set up a WDS network, so I set up the Airport Expresses as remotes. In the living room I have another Airport Extreme N basestation (as a remote as well) that is hooking up to the XBOX 360, Wii and PS3. I have enabled WEP security (not effecting the XBOX 360 since it is now "wired"). Here is the weird thing - I have a PC laptop with a D-Link Xtreme N card ( DWA-652) that cannot connect to the network. I enter the WEP password but it does not connect. Am I missing something on the basestation setup? Do I need to add the MAC address of the card anywhere. When I use the laptop's built in wireless it connects with no problem. By creating a WDS network did I disable the n functionality of the base station(s)? I am a lttle condused.
Also, prior to going to an all Apple wireless network setup, I bought the D-Link Xtreme N Gigabit Router (DIR-655). I was regretfully about to return it to Best Buy but I had an idea which may or may not work. I know that the D-Link does not support WDS but if I was to set it up as the main router and added the "main" Airport basestation as a wired bridge could I maintain the WDS network? The reason I ask this is because I would love to keep the gigabit for the wired machines in the office. Also, I am wondering if the D-Link notebook card is incompatible with the Airport network.
All I know is that I have spent alot of money and sleepless nights just trying to set this network up but thankfully Best Buy has a thirty day return policy so I will return what I can't use.
I appreciate any help and advice anyone can give me.
Thanks.
V
MacPro Mac OS X (10.4.9)
MacPro Mac OS X (10.4.9)

Hello!
I have noticed that some manufacturers (Linksys and possibly D-LINK) only accept upper-case WEP keys only.
This drove me nuts when trying to integrate a Linksys PC PCMCIA card into my old "g" network.
As far as using WEP, it's bad and broken; but I understand that your choice of security is limited to the devices that you are trying to network.
For what it's worth, I have my network set up with the AEBS 'n' connected to my Cable Modem, with one of the ports going to a gigabit switch for my wired network. I then have two AirTunes set up as WDS extensions for music & Internet delivery to two separate areas. The AEBS 'n" serves up DHCP and routing for the entire network.
It works quite well; I get 54 mbits/sec for the two WDS AirTunes, and 145 mbits/sec to one of my ATV's. My gigabit wired machines see data rates of 15-27 MBytes/sec (depending on the type of transfer).
Good luck!

Setting up a second wireless network with TC

Hi All
Am shiny new to these communities and a recent convert from PC/Windows to MAC/OS and have so far been loving a simple, easy to use home computer life!
I've scoured through to see if i could find an answer to my question but couldn’t see anything so my apologies if I’ve missed it and it has been answered before.
As part of our upgrade to MAC I also invested in a TC to enable us to make use of Time Machine and securely back up pictures and videos etc. it's been working like a dream and have had no problems. but now i want to get a bit clever.....i think
Apologies for the impending "book"....
My current home set up is as follows:
BB is provided via cable so the router and modem are required to sit by the TV giving me some issues in getting a clear wifi signal in those far to reach corners of the house. To overcome the occasional signal interruption I have used Power line Network Adaptors throughout the house.
Downstairs
Cable Modem/Router - Plugged into Power line Network adaptor
Media streamer - Plugged directly into Router
Office
Mac mini - Plugged into Power line Network adaptor
Airprint Printer - Plugged into Power line Network adaptor
Windows Laptop - Plugged into Power line Network adaptor
Upstairs
WD my Book Live - Plugged into Power line Network adaptor
Media Streamer - Plugged into Power line Network adaptor
TC - Plugged into Power line Network adaptor
Currently the WD NAS holds our media content for streaming to the media streamers downstairs and in the bedroom. While i could use the WD NAS to hold my Time Machine backups I was worried about available space and i didn’t want to put everything into one place in case the worst happens and it's ever stolen etc. So i elected to get a TC as a second NAS drive purely for time machine backups which then meant our family pics etc were safe and in the event of us ever getting broken in to its unlikely any would-be burglar would find both NAS's, if either.
But here in lays my issue.
My wireless range upstairs is fairly weak and i wanted to use the TC to "extend" my current wireless network upstairs. meaning iPads, iPhones etc will still get the benefit of a good signal and printing can still be down via airport etc.
I've tried to set it up via Time Machine that the wireless is turned on but the back ups are done over Ethernet (for obvious speed reasons) but for some reason i can’t seem to have the TC doing both. If i have it plugged in to the Power line Network adaptor but set it up with wireless enabled i don’t get any better wireless signal upstairs. But the backup still seems to be going over the Ethernet Power line Network adaptors.
What am i not doing? Or is what i want to achieve not possible?
Apologies for the novel and i hope I’ve explained my set up correctly for someone to point me in the right direction?
Many Thanks in advance for any help or pointers

I have a similar issue I guess.
I have the DSL(or cable modem, tried both) connected to the TC. The TC then shares the Internet wirelessly on the first and second floor(since the iMac is on the first, right next to the TC that is not a problem).
I want to get reliable network connectivity to the third floor so i have connected the TC to a Powerline adapter on the first floor and the second powerline on the third floor is connected to an Airport Express to extend the network up there.
However, the only way i could get it to work was to bridge with the AE on 3rd which creates a new network. It works great, as long as the devices are in the room from the startup of the network. If say i take the iphone or laptop down to 2nd or 1st floor and they access the wireless network from the TC with no problem, when I return them to the 3rd floor, they see the 3rd floor network but I cannot get them assigned an IP address and they are stuck wth a self-assigned IP until I go back down to the first floor and unplug/replug the powerline there.
Ideally, I'd like it to be one network so there is no switch over, and therefore no need to reset, alternatively, I need some sort of solution to let the devices get a new IP address when they return to the third floor.
Baffled.

Two Issues: Cannot connect to wireless networks; Cannot load certain sites

Hey everybody,
I have a MacBook Pro 15".
In just the past week, I've stumbled upon two sudden problems with my network/internet connectivity.
First, I can no longer connect to wireless networks, be it an infrastructure point or computer-to-computer ad-hoc networks. I'm not really sure why. I installed the latest AirPort Update (4.2.3, according to System Profiler). I also recently installed both iStumbler and KisMac v.21. When I started having issues, I thought that maybe one of these two programs might be the culprit, so I uninstalled both of them but I still have the same problem.
Second, I've had issues with not being able to connect to certain websites. I use both Safari and BonEcho as my browsers. The specific sites seem random:
www.weffriddles.com
www.macrumors.com
images.google.com
sports.yahoo.com
finance.yahoo.com
to list a few.
If you need any diagnostic information, please let me know.
Thanks in advance for any advice/help you can provide!
Tommy H.
MacBook Pro Mac OS X (10.4.9) browsers: Safari, BonEcho/ Airport Driver Version: 4.2.3

If you are trying to connect to a third-party router using WPA or WEP, there is a good chance that your Airport card was broken by Apple's 2007-02 Airport Update. There is no fix, and for many of us, our Macbooks and Macbook Pros are useless for wireless connections until Apple fixes the issue. At this point, Apple seems to be denying that there even is an issue, so we may all be in for a long wait indeed.
See this thread if you have some time:
http://discussions.apple.com/thread.jspa?threadID=883021&tstart=0

I have installed Airport Extreme on my iMac, but want to extend the wireless network with Airport Express. Everything is fine until I try to select Extend the wireless network. I select Extend Wireless network but have no success. Ideas?

I have installed Airport Extreme on my iMac, but want to extend the wireless to rooms with a weak signal. The internet connection is fine with the basic setup. As soon as I go into Airport Utility to select Extend Wireless Network and fill in what I believe is proper information, I get an error message that Airport Extreme no longer has an IP address, the internet connection is broken, and under Wireless, that there is a wireless network in existence that can't be found. Rebooting the modem only brings the Airport Extreme back to the starting gate so that the internet is once again available. I assumed (naively) that with the All Mac All-the-Time context, adding Airport Express would truly be Plug and Play. I got the plug, but no play. I asked a Comcast technical specialist about it and he said that I needed to reset the Airport Express settings back to their default, factory status. I looked that process up online and found out that the way to do that was to hold down the reset button, then plug Airport Express into the socket and wait for the green light to flash four times. Then wait 45 seconds and the default settings will return. I did all that, only to find out that after the initial flash of green, green never appeared again. I got a fast flashing yellow light, followed by the light going off. Apparently this didn't reset it properly. So, after hours trying to get this system to work, I appeal to someone who can see through this mess and provide the key to success!
highFly376

Let's see if I can get this straight.
You have an Airport Extreme base station that is set to "Create a wireless network" and you have the box checked for "allow this network to be extended"....
Then you have an Airport Express that is set to "Extend a wireless network" which you selected the name of your network in the box...
Correct?
See this Apple document:
http://support.apple.com/kb/HT4259?viewlocale=en_US&locale=en_US
The wireless unit on the right of the diagram can be either of the newer Apple base stations.
Extreme, Express, Time Capsule

10.4.11 wireless networking issues for Intel iMac

After being prompted by software update to upgrade to 10.4.11 from 10.4.10, I did so, but found my computer stuck at the grey screen upon restart. I have since done the archive + reinstall of 10.4.4, which allowed me to onnect to my wireless network again (other Intel and PPC Macs are able to access the same network). I then downloaded and installed the 10.4.11 combo package as some have suggested on other posts throughout this forum; however the problem has returned.
Has anyone else had a similar problem and/or does anyone have a solution other than reinstalling 10.4.4 and upgrading to 10.4.10 again?
Cheers!

Mizraith,
I have the same setup as you (the WRT300N router & a macbook pro (sept 2007). I have been investigating these issues for a while now. First, to be quiet honest, this router is a crappy piece of hardware. Simply google the product name along with interesting keywords such as 'vanish' 'problem' 'issue', and make your own conclusion. Not to mention that the product has had at least 3 hardware revisions: it pretty much says it all.
Here are my takes on this, I have had 2 different problems:
1) First problem, the ESSID sometimes vanishs for a while. It is not macbook specific since I have observed that on my playstation 3 too. The only solution I have found to deal with this problem is to get to the wireless configuration of the router and change the radio band/wide channel, etc to something else. Then it'll work for some time before the problem reappears. I have contacted linksys tech support, and I strongly suspect that the support for N-mode is extremely incomplete, but of course they are not affirmative on this, otherwise they'd do a recall.
2) Second problem, the signals gets weak and the connection just freezes. Not sure it is macos specific, but the fact is that with macos 10.4.10, when it happened, simply setting aiport off -> on used to be OK. Since I upgraded to macos 10.4.11, the system will then appear to be connected to the AP with a good signal, but the NIC will be assigned a self-assigned ip address (169.x). This also happend after putting the system in sleep. It seams to happen more often on battery mode on my macbook. Manually rerunning the dhcp client does not help. Solution? You guess it, the r.e.b.o.o.t.
The router may be an unstable product, but there are some obvious regressions in the wifi support of macos 10.4.11, at least, in error handling. Here again, a simple google search for '10.4.11 wifi' with 'problem' 'issue' should convince you.
I have contacted the tech support of Apple regarding that issue. I didn't even expected to have a magical solution, but at least, some hints or even a mere acknowledgment. They never replied to my mail.
Let me know if you have some news on that issue, and good luck!

Which is the best channel to use - on overcrowded wireless network ?

Hi,
I've had my Airport Express network going for just over a year with no problems, until the last month when my neighbours have all got Broadband for Christmas and now my network is very unstable and I cannot play more than 2 minutes of music until the network disconnects - I have not changed anything in months because "it just worked."
I found a nifty utility for my iMac which shows other wireless networks and the strength of the signal.
Three other networks show up, on channels 1 or 11 they all have stonger signals than me even though they are 10 Meters away through brick walls (my closest neighbours do not have wireless, so I am assuming it must be at least two houses away in either direction.)
I have changed my network to run on channel 7 and iTunes now streams properly without regular drop-outs.
Now, I am wondering, my network is set-up as "hidden" and does not show up in the network scanning utility, so logically some of my neighbours may also have "hidden" networks - how can I tell if any of them are using the same channel as me ?
Anyone got any ideas or advice ?
Thanks

I use the 'iStumbler Spectrum widget', which shows me how much congestion there is. After identifying where the most congestion is, its simply a matter of identifying which of the channels without much congestion works best for you. There isn't really a magic formula, though trying different settings until you have a better signal to noise ratio is all I can suggest.
Also, remember that 2.4GHz phones can also cause increased noise.

My airport express can't see my wireless network

I am bringing up a new AE in my wireless network. I have set all the internet and wireless configurations. I am trying to add it as a client, initially connected to my router via ethernet. After tweaking several settings I am now down to what seems like a critical problem: Airport Utility tells me that my AE cannot see the wireless network. This is a bit amusing since I unplugged the ethernet and am communicating with it solely via wireless.
My config: static IP addr reserved in my router, WPA2 encryption, ethernet clients allowed, using my router as the default DNS server. Running the latest firmware and Airport utility according to Apple Software Update this afternoon. Router is an SMC Barricade N with latest firmware.
Any and all advice greatly appreciated.
Roger

Thanks for the ideas, but alas those are not the cause.
I am broadcasting SSID and I am running mixed b/g/n mode. FYI Airport Utility finds my network OK, as do the many other pieces of networking equipment in my house (4 computers, a NAS, an SMC wireless client, etc etc etc.) Even my son's Touch, after going through very similar games with Apple, solved by an OS upgrade a couple months later...but I digress.
Spent an hour with the Apple expert on the phone verifying everything was right on the AX and then took it to my local apple store where they were able to connect it to their G router as a client - thus eliminating wrong AX config and broken HW as a cause.
Here is what I know: it has to be able to see my router because when I bring it up my router sees it and issues it an IP address. I might reserve the IP and then set it to always use that. That is one of the things we did to get the Touch working initially.
Again, thanks and any new ideas appreciated.
Roger

Airport Express won't join my existing wireless network...

I have Broadband in my house. I have a wireless modem also. I have spent hours trying to have Airport Express join the network so I can use the music streaming feature, but I have so far not been successful. I have seen a lot of references to it being very easy and straightforward to set up with it doing most of the work itself. As in, plug in AE to a power socket, open Airport Utility and follow the instructions... It doesn't appear to be that simple, not by a long shot. Can anyone outline how this can be done in simple steps? All of the online steps I have tried do not work, with many of them referencing aspects of the Airport Utility GUI that don't seem to exist...
Any help would be greatly appreciated.
For the record, I DO NOT want to replace my existing wireless router, i just want AE to join the network...
Thanks...
Ronan

I have the same problem - the AE wont join my Draytek 2600 wireless network. I can stream music wired, but it refuses to join the wireless network. I have tried WEP, WPA, WPA 2 etc. Always get amber flashing light. Ive spent about 5 hours solid on it so far, and I'm a networking expert.
No other device on the planet has problems connecting to my wireless. currently I have:
1) Belkin wireless Skype phon (no problems)
2) SOHO wireless IP camera (no problems)
3) Intel Macbook pro (no problems)
4) G4 Macbook (no problems)
5) Dell D600 XP notebook (no problems)
Try to connect the AE? No chance. Its just broken.
I have tried every conceiveable manual setting on the device also.
If I manually set the ip (outside the DHCP range, but within the subnet), subnet, DNS sever, domain etc, I get a GREEN light, but nothing can communicate with it. The utility cant see it, and itunes cant see it.
The real problem is there is no way to know if the problem is with DHCP or the wireless. Does green light mean it has a wireless connection, or it has a valid IP?
Interestingly, if I start it with a wired connection, get a green light, then stream music to it, then pull out the wire, the green light stays, and music players for about another minute (presumably wirelessly, but who knows?) before the music stops and the device (replete with green light), becomes dead to the network.
APPLE desperately needs to sort this out. Its junk.

10.4.9 / Airport Extreme 2007-002: Wireless with WPA broken

I just completed Software Update on my MacMini, and have found that wireless connectivity is broken. I suspect that this is due to either the 10.4.9 update, or the Airport Extreme 2007-002 update. If I disable WPA then the wireless works, but as soon as I enable WPA encryption, the wireless stops working (OS X says there is an error connecting to the network). Since the connection worked for the MacMini before the update, and still works for my Powerbook and my wife's iBook, I don't think the problem is with the connection.
Any suggestions?

I posted this on another discussion... but might help...
MacBook Pro not conecting - 'error connecting to network' but the PowerBook was connecting fine to our Netgear DG845G wireless router after updating to 10.4.9.
Turns out the firmware on the router needed updating and now it's sorted, the MacBook Pro connects fine. The indicator was that the MacBook Pro did still connect to a work wireless network, just not our home one.
1.67 GHz PowerBook G4 Mac OS X (10.4.9)

Wireless network unstable/broken N500

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