R400 - unstable wireless connection

Hi there,
I have a fairly new Lenovo R400 and since I upgraded from Vista to Windows 7 I seem to log on and off every other minute, which is really annoying. Anyone knows the reason for this?
I've installed all drivers from the disc that Lenovo sent me. I've even been looking for additional drivers on this page, without any luck however.
Any good suggestions?
Thank you
/ Andreas
Solved!
Go to Solution.

right click my computer > manage > device management > network adapters > find your wireless adapter > double click > on power management tab, make sure "allow the computer to turn off this device to save power" unchecked

Similar Messages

[SOLVED] unstable wireless connection

Hi,
Wireless connection has some troubles. I don't get connection drops or anything in everyting.log mentioning errors with wlan. I tried wicd, Networkmanager and netcfg - but alas - no better results in any of them. The problem is that when checking mail, upgrading packages, ... sometimes connection cannot be made. Most of the time, running the same program immediately a second time, won't give this error. Less error-tolerant programs just crash/quit with an error-message.
Errors are like (in Dutch, I tried an English translation after ***):
Herleiden van v3.lscache4.c.bigcache.googleapis.com... mislukt: Naam of dienst is niet bekend. *** Failed to resolve from ... Name or service unknown.
wget: kan host-adres '‘v3.lscache4.c.bigcache.googleapis.com’' niet herleiden *** Cannot resolve host-addres
I've on the same laptop Sabayon and Ubuntu running where those problems do not occur.
Wireless/ lspci:
03:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01)
lsmod:
Module Size Used by
aes_x86_64 7508 1
cryptd 8309 0
aes_generic 26138 1 aes_x86_64
joydev 9927 0
snd_hda_codec_hdmi 24240 1
snd_hda_codec_conexant 46938 1
asus_laptop 17142 0
snd_hda_intel 23631 1
arc4 1410 2
snd_hda_codec 92950 3 snd_hda_intel,snd_hda_codec_conexant,snd_hda_codec_hdmi
snd_hwdep 6389 1 snd_hda_codec
snd_pcm 74812 3 snd_hda_codec,snd_hda_intel,snd_hda_codec_hdmi
snd_page_alloc 7153 2 snd_pcm,snd_hda_intel
snd_timer 19544 1 snd_pcm
snd 59858 9 snd_timer,snd_pcm,snd_hwdep,snd_hda_codec,snd_hda_intel,snd_hda_codec_conexant,snd_hda_codec_hdmi
ath9k 92940 0
soundcore 6210 1 snd
jmb38x_ms 8417 0
serio_raw 4653 0
ath9k_common 2096 1 ath9k
jme 35085 0
ath9k_hw 358828 2 ath9k_common,ath9k
ath 15393 3 ath9k_hw,ath9k_common,ath9k
mei 32568 0
sdhci_pci 10568 0
psmouse 69904 0
input_polldev 2914 1 asus_laptop
memstick 6974 1 jmb38x_ms
mac80211 396060 1 ath9k
sdhci 23438 1 sdhci_pci
iTCO_wdt 12941 0
mii 4091 1 jme
iTCO_vendor_support 1961 1 iTCO_wdt
cfg80211 176921 3 mac80211,ath,ath9k
i2c_i801 8187 0
mmc_core 82804 2 sdhci,sdhci_pci
i2c_core 20524 1 i2c_i801
evdev 9626 7
sparse_keymap 3120 1 asus_laptop
thermal 7799 0
rfkill 15530 2 cfg80211,asus_laptop
button 4470 0
battery 6453 0
ac 2344 0
video 11164 0
intel_agp 10904 0
intel_gtt 14519 1 intel_agp
cpufreq_powersave 990 0
acpi_cpufreq 5877 1
mperf 1275 1 acpi_cpufreq
processor 25981 1 acpi_cpufreq
ext4 425832 3
crc16 1359 1 ext4
jbd2 71939 1 ext4
mbcache 5881 1 ext4
sd_mod 28371 5
sr_mod 15047 0
cdrom 36489 1 sr_mod
ahci 20133 4
libahci 19487 1 ahci
libata 167582 2 libahci,ahci
scsi_mod 134028 3 libata,sr_mod,sd_mod
ehci_hcd 43864 0
usbcore 146465 2 ehci_hcd
usb_common 954 1 usbcore
Can you help to pinpoint the problem and try to find a solution?
Thanks in advance,
david
Edit: solution: Disabling ipv6
Last edited by davidbe (2012-04-23 18:15:21)

The thing is, I cannot run it when it happens, because it is not a disconnection. It is more like small hickups. Fault-tolerant applications won't give an error. But using wget/curl might fail 1, 2 or three consecutive times, but can succeed flawlessly a 4th time. :-/
ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
link/ether e0:cb:4e:f6:77:9e brd ff:ff:ff:ff:ff:ff
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
link/ether 1c:4b:d6:5b:c0:a8 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.10/24 brd 192.168.1.255 scope global wlan0
inet6 fe80::1e4b:d6ff:fe5b:c0a8/64 scope link
valid_lft forever preferred_lft forever
ip route
default via 192.168.1.1 dev wlan0 metric 303
192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.10 metric 303
iwconfig
lo no wireless extensions.
wlan0 IEEE 802.11bgn ESSID:"Mobistar-3a40"
Mode:Managed Frequency:2.437 GHz Access Point: 5C:33:8E:BF:B3:60
Bit Rate=65 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=56/70 Signal level=-54 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:24 Missed beacon:0
eth0 no wireless extensions.
cat /etc/resolv.conf
domain home
nameserver 192.168.1.1
ping www.google.com -c 10
PING www.google.com (173.194.66.104) 56(84) bytes of data.
64 bytes from we-in-f104.1e100.net (173.194.66.104): icmp_req=1 ttl=48 time=23.6 ms
64 bytes from we-in-f104.1e100.net (173.194.66.104): icmp_req=2 ttl=47 time=23.8 ms
64 bytes from we-in-f104.1e100.net (173.194.66.104): icmp_req=3 ttl=48 time=24.4 ms
64 bytes from we-in-f104.1e100.net (173.194.66.104): icmp_req=4 ttl=47 time=23.9 ms
64 bytes from we-in-f104.1e100.net (173.194.66.104): icmp_req=5 ttl=47 time=25.0 ms
64 bytes from we-in-f104.1e100.net (173.194.66.104): icmp_req=6 ttl=47 time=26.2 ms
64 bytes from we-in-f104.1e100.net (173.194.66.104): icmp_req=7 ttl=48 time=26.0 ms
64 bytes from we-in-f104.1e100.net (173.194.66.104): icmp_req=8 ttl=47 time=25.4 ms
64 bytes from we-in-f104.1e100.net (173.194.66.104): icmp_req=9 ttl=47 time=25.0 ms
64 bytes from we-in-f104.1e100.net (173.194.66.104): icmp_req=10 ttl=48 time=24.3 ms
--- www.google.com ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9013ms
rtt min/avg/max/mdev = 23.607/24.796/26.204/0.885 ms
ping 8.8.8.8 -c 10
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_req=1 ttl=50 time=27.0 ms
64 bytes from 8.8.8.8: icmp_req=2 ttl=50 time=27.2 ms
64 bytes from 8.8.8.8: icmp_req=3 ttl=50 time=26.7 ms
64 bytes from 8.8.8.8: icmp_req=4 ttl=50 time=26.9 ms
64 bytes from 8.8.8.8: icmp_req=5 ttl=50 time=27.3 ms
64 bytes from 8.8.8.8: icmp_req=6 ttl=50 time=27.1 ms
64 bytes from 8.8.8.8: icmp_req=7 ttl=50 time=28.2 ms
64 bytes from 8.8.8.8: icmp_req=8 ttl=50 time=27.1 ms
64 bytes from 8.8.8.8: icmp_req=9 ttl=50 time=27.7 ms
64 bytes from 8.8.8.8: icmp_req=10 ttl=50 time=27.1 ms
--- 8.8.8.8 ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9012ms
rtt min/avg/max/mdev = 26.795/27.299/28.266/0.407 ms

M40X-250: Unstable wireless connection 54mbps

Hi,
a month ago i bought a new m40x-250 and a brand new US robotics maxg router, the problem is, i'm using it wireless and we set it on 54mbps, we secured the network in the recommended version of us robotics which is WPA, so everything looks normal, but the problem is after several minutes connection (internet) falls out and then its back, like ten times in one hour.
So i thought it's my laptop, so i sent it back to Toshiba, complete check up, they found nothing, system works perfect! got me thinking and i put the router on 11mbps, now the wifi works excellent, but my question is howcome not on 54mbps?? It should be cos it's both that standard, on the router and the laptop (802.11g) now i use 802,11b.
the only thing i can think of is my pc card.
Can someone give me some advice here??
Thanks!
kris.

Hello Kris
Unfortunately many users reported about this appearance and it is obviously because of WiFi card. If you check Wireless board you can find lot of topics with similar theme.
A few days ago I have found interesting article about WLAN connection interrupts under SP2. Try to disable this.
Go to START > RUN > put services.msc. Please found option Wireless Zero Configuration and change the status. I really dont know if this can help but you can try it.
My notebook has no the same WiFi card and I can not test it. Please let me know what happen after status changing.
Good luck!

Extremely unstable wireless connection

Since Saturday my connection just stops working every 15-30 minutes. Disconnecting and reconnecting solves the problem, but I'm sure there's a better option than netcfg -r'ing all the time.
There was a kernel update on Friday (3.1.9 -> 3.2.1), so I suspect that could be the problem. Any ideas?
EDIT: I noticed there was a new kernel update available, the connection seems to work for now... It worked for over 2 hours yesterday before acting up, though, so I'm not sure if the problem's actually solved yet.
EDIT2: Kernel update didn't help
Last edited by Tiigon (2012-01-24 14:59:09)

Well, there's only so much you can do on your own. Still, there are some things for you to consider.
First, we still don't know if it's a bug that only affects you. It may be more widespread, but I still wasn't able to find anyone reporting similar trouble as you have. It may be caused by the fact that your wifi card isn't that common - it should be supported by the kernel, but the fewer people use a device, the longer it may take until a bug gets recognized and fixed. It still may be caused by something in your system, but I'm out of ideas on how to figure that one out. And since it's a kernel we're talking about, I'm of the opinion that the kernel developers should be made aware of the issue. Here are some guidelines on how to report kernel bugs, but it would be appropriate if someone more accustomed to this process could step in now and give more information on how to proceed. I never had to do something like that myself, so what I'm saying is just what I could find out by googling and directly on kernel.org.
And second, reporting a bug won't fix your immediate problem. Even if you report it, we don't know if it ever gets any serious attention, and even if it does, when it's going to get fixed. Staying on outdated kernel can hardly be called a solution either. So, these are the only options I think you have, besides reporting a bug, which you should do either way:
- keep using older kernel and watch changelogs and your bug report mailing list for any development
- be ok with having to reconnect every now and then while using fully updated system, and again keep watching the situation. You may consider using tools like networkmanager or wicd, which should be able to reconnect you once you lose connection
- since you're using a desktop PC (which I assume you don't move around), consider using ethernet connection for now if that's an option
- get a new wifi card. Simplest solution available, if working wifi is your only option and you can spare the cash, they aren't expensive nowadays anyway. Obviously not a very elegant solution, but it will work for sure
Sorry I couldn't help any more. Again, someone please step in if you have any more ideas.

T60 -- Bad Wireless connection. Help please!

Hi Guys, my T60 has unstable wireless connection problem. I make sure the radio is "ON". It gets connected to the DSL network but it gets disconnected on and off ( the radio turns off by itself sometimes). Something wrong with my Intel PRO Wireless driver 3945abg? Can anyone guide me how to fix the problem??
Thank you!!
-meLittlebee

Hi there,
I'm having the exact same problem - installed the OS (Windows XP Pro) adding SP3 and updating all drivers.
Then I connect to the wireless whitout any problems. I go to sleep, and next day wireless don't work!
The Machine is a T60 2008-WGV. I have made a image of the clean disk with Clonezilla, and therefore I can restore the OS quickly to a working wireless, but I find it quite anoing to have a clean OS every morning, in order to use network.
anyone please?
Message Edited by denbert on 05-03-2009 09:47 AM

Wireless connection unstable on Leopard

Hi, I just got a new iMac as part of a free upgrade because my local store could not seem to fully repair my previous iMac and I am having issues staying connected to the internet while using Leopard.
Everything usually starts off fine but it seems that if I'm on my online game for 30-45mins the internet will suddenly disconnect. When I go to the list to view my available networks they are all missing for several seconds before reappearing and the computer automatically reconnects itself to my network only to disconnect another 10-15 min later and repeats the process. I've only had this computer for a few days and have managed to keep a stable connection of several hours only 2-3 times.
Before when having initial connection set up issues there seemed to be a problem with a driver that was easily fixed when uninstalled and the computer restarted. My only theory is that the computer may be over heating causing it to loose the ability to see my router but I don't know if there is a way to improve fan efficiency while using Leopard.
Please help me out.

Hello Tigerhawk,
While I am not an expert on Apple Wireless, I may be able to offer you some general advice and perhaps narrow down your problem description.
From what you wrote, I deduce as follows:
- On your old iMac, you also used wireless and never saw this issue. In other words, your current issue was introduced with the installation of your new iMac?
- You are still using the same Access Point?
- Your iMac is bootcamped and you first experienced the issue on the non OS-X system.
- Later, when using OS-X, you experienced the same issue.
Just a few more questions to get things into perspective:
- You are using 10.5.3 (I suppose). Given this is a recent update, you also saw the issue on 10.5.2?
- If there are other people in your household, do they suffer the same issue?
- Are you using 802.11n (Airport Extreme)?
- What brand is your Access Point?
- If all wireless items are Apple branded, are you using 802.11n only, or 802.11b/g?
- Are you using encryption? If so, what type? WEP? WPA/WPA2-Personal/Enterprise?
Lately I installed Airport Extreme on my own Mac and found the connection to be sluggish and would sometimes loose connection or experience signal deterioration. While installing the base station (Airport Extreme), I pretty much went the default way with the base station in Bridge mode.
I found that giving the base station a fixed IP address (instead of the default DHCP) and also manually configuring the DNS addresses made the wireless experience a lot better. Of course, this could be an isolated incident. Before I gave my Macbook (10.5.2 at that time) to my girlfriend, I also noticed irratic connection stability. But that was on a non Apple branded Access Point, so not a fair comparison. This Macbook is in her house, so I cannot test at the moment. As another comparison, the iMac in my GF's house (latest generation May 2008) is just screaming fast using an Airport Extreme base station. I did not observe dropping of connection. The Macbook still did drop connection, even when on the Apple Base station. Wired it is very fast and she's happy with that for the moment
You can try perhaps as follows for testing purposes:
- Remove all security from your wireless connection (open system).
- If that improves the situation, move to WEP.
- If that this works fine, move to WPA and observe.
- If all of the above do not change your experience, you may try the manual configuration I mentioned earlier.
Hope this helps in any way.
Best regards,
Eirram

All of a sudden wireless connection is unstable

Hello there,
Had no problems with BT up until now, I use my wireless connection for things such as the xbox. However, recently (past 2-3 days) the signal strength as indicated by my xbox has been poor/fluctuating constantly resulting in latency and eventually my connection dropping out.
Uptime:
1 day, 0:20:10
Modulation:
G.992.5 annex A
Bandwidth (Up/Down) [kbps/kbps]:
828 / 17,662
Data Transferred (Sent/Received) [MB/GB]:
94.03 / 1.75
Output Power (Up/Down) [dBm]:
12.5 / 23.0
Line Attenuation (Up/Down) [dB]:
11.5 / 25.0
SN Margin (Up/Down) [dB]:
12.5 / 3.0
Vendor ID (Local/Remote):
TMMB / TSTC
Loss of Framing (Local/Remote):
0 / 0
Loss of Signal (Local/Remote):
0 / 0
Loss of Power (Local/Remote):
0 / 0
Loss of Link (Remote):
0
Error Seconds (Local/Remote):
10 / 0
FEC Errors (Up/Down):
326,599,745 / 1,395,235
CRC Errors (Up/Down):
275,650 / 399
HEC Errors (Up/Down):
218,164 / 246
Line Profile:
Fast

There's lots of channels to chose from, try them all.
Aside from that, the hub could be on its last legs.
Or it could be that there's some new source of interference from either something in your home, or a neighbouring property.
If you want to say thanks for a helpful answer,please click on the Ratings star on the left-hand side If the the reply answers your question then please mark as ’Mark as Accepted Solution’

Dear Steve, will anything be done about this wireless connectivity issue?

This is no fun whatsoever....
I am telling you - browsing interenet on iMac is no fun, seriously.
I prepared a quick research for you:
http://discussions.apple.com/thread.jspa?threadID=830426
http://discussions.apple.com/thread.jspa?threadID=834613
http://discussions.apple.com/thread.jspa?threadID=831111
http://discussions.apple.com/thread.jspa?threadID=829204 (I like this one best)
http://discussions.apple.com/thread.jspa?threadID=827632
http://discussions.apple.com/thread.jspa?threadID=833593 (although marked as solved - doesn't seem to be true in my and many others' cases)
http://discussions.apple.com/thread.jspa?threadID=838501
http://discussions.apple.com/thread.jspa?threadID=822703
http://discussions.apple.com/thread.jspa?threadID=826128
People, help me in refining this list - did I leave something out?
P.S. I was thinking lately, why, after spending so much money, should I spend several days already, in agregate, trying to understand the issue and how it should be resolved? Have I not paid for not having such problems?

Here is a lot more:
http://www.macintouch.com/readerreports/wirelessnetworking/topic4035.html
Highly interesting is the post of J.Exby which i reproduce here:
For months I've not been alone in holding to the notion that the airport client software on Mac OS X 10.4.x has been problematic and unstable in certain (noisy, crowded, channel overlapped) wireless environments. Issues littered around the Internet Mac forums include problems of networks appearing, then disappearing. This is a difficult problem to pin down, given the difficulty of reproducing the conditions that might cause wireless network dropouts.
A major symptom of the problem was seeing the constant messages of:
"An error occurred joining the AirPort network" (Try Again) (Cancel)
when attempting to connect to a wireless network, despite that network being seen, having correct security settings, etc.
Various temporary fixes/ideas floated around the mac community have included:
- reseting pram, nvram and PMU
- installing 10.4 from scratch, instead of 10.3 to 10.4 upgrade process
- Repairing permissions, run Combo updaters, etc
- putting system to sleep or reboot for temporary connection fix
- applying AirPort 2005-001 patch (or not)
- upgrading (or downgrading!) AirPort basestation firmware
- changing AirPort channels
- enabled (or disabling) Interference Robustness
- disabling Bluetooth and BT peripherals
- removing WEP/WPA passwords out of Keychain
- running Keychain First Aid on user/login keychains
- buying new AirPort extreme cards
- replacing AirPort base stations with other vendor hardware, etc.
With the stability of our Windows XP clients now (after driver updates) and the change from Apple base stations to Belkin Wireless Pre-N Router having no appreciable benefit for our Mac notebooks, the OS X AirPort client software suspicions only grew.
During troubleshooting I always have
Applications--->Utilities--->Console
and
iStumbler (96)
running, and I watch output as wireless scans are performed.
From the Terminal I also run:
/System/Library/PrivateFrameworks/Apple80211.framework/Resources/airport -s
and usually see constant
AirPortScanner WirelessScan error -2013261821 airpInternalErr
messages.
After two days of testing (and fixing?) I am even more convinced there are bugs in the powerpc 10.4.x AirPort Extreme Framework!
This is what I found:
Environment at our office:
- wireless Network A (802.11g channel 1, WPA personal)
- wireless Network B (802.11b channel 6, WEP 40bit ascii)
- wireless Network C (802.11g channel 11, WPA personal)
(WAR-marching around our office exterior shows at least 12 outside wireless networks found at various signal strengths!)
Test systems used:
- iBook G4 (10.3.x and 10.4.5)
- Powerbook G4 (10.4.5)
- Intel iMac (10.4.5)
Primary symptom on iBook: networks not displaying long enough under the AirPort icon/menu (or Internet Connect) to connect to ANY network reliably! Perhaps connect to Network A intermittently, never even see Network C.
iStumbler showing some networks respond to poll, then immediately stagnate/disappear.
Primary symptom on Powerbook: stable connections to Network C most times, difficulty "switching" to Network B or A once moving closer to source. Usually stable "seeing" networks via AirPort menu icon, but still have occasional dropouts (due to fluctuating signal strength or interference?).
Primary symptom on Intel iMac: NO PROBLEMS! Can connect to (and steadily "see") all valid Networks A, B, C !
iStumbler constantly polls all available networks, with no dropouts.
Steps taken:
1. Wipe iBook hard drive, install 10.3 from dvd. AirPort signals unreliable.
1a. Perform all 10.3.x Software updates, Repair Permissions, reboot. AirPort still unreliable.
2. Reset PRAM, nvram, PMU. no improvements.
3. Reseat AirPort Extreme card, ensure antenna is firmly plugged in. AirPort still unreliable.
4. Wipe iBook, install 10.4.3 "fresh" from Full retail version DVD. AirPort still unreliable.
4a. Perform all 10.4.5 Software (combo) updates, Repair Permissions, reboot. AirPort still unreliable.
5. Hold down the Option key, and click on the AirPort icon in the menu bar.
select About AirPort...
pay particular attention to each system showing:
iBook: AirPort Framework 421.13.0
powerbook: AirPort Framework 421.13.0
intel iMac: AirPort Framework 426.1.0
Aha! A big difference with the AirPort Framework component version on the Intel iMac!
6. So, using the Terminal let's get this newer Apple80211.framework onto the iBook.
First on the intel iMac:
cd /System/Library/PrivateFrameworks
sudo tar cf ~/intelApple80211frame.tar Apple80211.framework
Copy this intelApple80211frame.tar file onto a USB thumb drive, CDR, iPod, scp, etc. to copy it onto the iBook (home directory).
7. With the tar file copied into the home area on the iBook, turn off iBook's AirPort via the menubar icon.
Now launch Terminal and:
mkdir backup-framework
cd /System/Library/PrivateFrameworks
sudo mv Apple80211.framework ~/backup-framework/
sudo tar xvpf ~/intelApple80211frame.tar
Launch Disk Utility, Repair Permissions on boot drive.
Reboot iBook.
8. Turn Airport on via the menubar icon.
iBook now has HUGE improvements in wireless connectivity! It can "see" all Networks A, B, C reliably and can connect to any of them when in range (having enough signal strength). Switching between networks is successful 90% of the time. Occasional message of:
"An error occurred joining the AirPort network (Try Again) (Cancel)"
usually works after clicking (Try Again), whereas before Try Again almost always failed.
I am unsure how this newer Apple80211.framework will affect future Software Updates on the iBook, but frankly I could care less now that it's able to access all of our wireless networks!
I am unsure if this is the magic-bullet solution for a majority of people, but I'm stunned that Apple appears to be providing new and improved Apple80211.framework software with the intel iMacs, but many of us have been fighting AirPort problems on PowerPC platforms for months!
Come on Apple, OS X 10.4.5 should contain the SAME software component versions for ALL CPU platforms!
Source: http://www.macintouch.com/readerreports/wirelessnetworking/topic4035.html

E4200 v2 - Dropping wireless connection

I purchased this router as an upgrade from my Cisco/Linksys E3000 that I have had for over a year. I use wireless almost exclusively in my household and when the E4200 V2 is working it is great but then it seems to slow down. Actually it is not slowing down but dropping packets on the wireless segments after varying periods of time. The wireless connection does not drop ( i used vistumbler to view the connection in real time ) but all connections exhibit dropped packets. I had Amazon send me a replacement and it did the exact same thing. I even restored the router to default and setup just the wireless connection both using the Cisco connect and the web interface and the problem still happens. To test this I set a constant ping of the router's gateway address on my WLAN and observed 25% to 40% dropped packets. After a reboot it is more stable, but it becomes more unstable over time. The wired connections are solid and did not drop any packets but wireless is a joke!

There are many reasons why you experience poor signal or connection. Your intermittent wireless connection has a relation to the kind of setup that you have in your home or office. Is the connection dropping on all wireless computers or just one?
You have mentioned, you set the router to factory defaults and re-configured it. Did you try changing the channel on the router to either 1, 6, 9 or 11? There could be an interference with other wireless devices in the network (cordless phone, microwave etc.) since they work on the same frequency.
Try this and see if that helps.

Thinkpad T440p unstable wifi connection

I purchased a Thinkpad T440p during last Christmas. I always have unstable wifi connection. I have updated all the drivers, changed to different wifi enrionments, and restored my laptop to factory conditions. Still, it is very unstable. Anybody here can give out possible solutions? I know I am within the warranty period. But I am using laptop everyday, and don't want to ship it to Lenovo for a long-time fix.

Try this driver?
http://www.station-drivers.com/index.php/outils/Drivers/Intel/Wlan/PROSet-Wireless-WiFi-Software/Intel-PROSet-Wireless-WiFi-Software-Version-18.12.0.3-WHQL/

Unstable WPA connection with WRT54G 2.2 (firmware 4.30.5)

Hello everybody,
I'm experiencing some unstability in my wireless connection with my WRT54G router.
By the past, the router was working perfectly. Last week I've upgraded the firmware to the version 4.30.5. Since then I have to power off the router every morning to connect my Centrino laptop to it.
FYI, my router is a WRT54G model 2.2. I'm using Mixed Mode (B+G) + WPA2 Personal (TKIP+AES) with a Group Key Renewal = 3600 seconds. My router is using the wifi channel 4 and there is no other access point on this channel. On my laptop, I'm running a Windows XP SP2 with the latest system patches.
Please also note that my router is now identifying itself as a WRT54GL (in its web pages) and not just WRT54G. Not sure if it's an issue or not.
Any help will be greatly appreciated.
Thank you in advance,
PatrickMessage Edited by pbateman on 11-07-200601:54 AM

You mean that on the setup page of the router its says WRT54GL instead of the actual model?
When you try to turn off your router are you still wilrelessly connected?
"Give them nothing... But take from them everything..."
-Leonidas "300"

Does anyone who owns a 2011 Mac Pro 17' also has a weak-wireless connections from the router? Seek for the solutions

Hi, I have just brought the 17' Mac book Pro two months ago. However, I found out that this new laptop's wireless connection is unstable. Compare with my 2010 13' Mac Pro and ipad2, the result is significantly responsible with the new wireless card model.(Correct me if I am wrong)
Hence, I am looking for a solution because I frequently skype with my oversea family members. I appreciate for your time and help
Thanks
Hahaq

"...Office Depot is the store where they are on sale. A 15% fee is not fair in my opinion..."
Is that the store policy on returns? What about buying from Best Buy?

Often lose wireless connection when using HDTV as monitor

I have an unusual wireless networking problem when using my Samsung HDTV in my living room as a monitor for my MacBook (when watching Internet TV shows, for example). Frequently when I switch URLs, networking freezes, even though the connection appears strong, with the Airport symbol at the top of my screen showing all bars. To re-establish the wireless connection, I have to go through the process of re-joining my network through the “Join Other Network" option. The signal holds as long as I don’t try to change it, as in selecting another URL.
I connect to my HDTV via HDMI cable, using a mini-DVI to HDMI adapter from my Macbook’s video-out port. The audio connection is a mini-plug from the Mac’s headphone out jack to stereo RCA plugs associated with the TV’s HDMI port.
The wireless connection is through a Lynksys Wireless-G 2.4 Ghz, 54 Mpbs Broadband router.
I’d appreciate any solutions the Apple user community has to offer.

I'd say this has nothing to do with your display. The problem will likely lie in either your router settings, network settings or a simple signal strength issue. Try first changing the broadcast channel on your router, and make sure all settings are correct for your desired network.

Can't configure Wireless Connection to HP OfficeJet Pro L7780

I recently purchased both my iMac 24" 2.8GHz computer with OS x 10.5.2 and HP OfficeJet Pro L7780. I was able to use the HP setup CDs for my Windows laptops and configured them to use the printer in a wireless configuration.
The iMac is creating the headache (actually I think it's HP causing the headache). When I try to install HP's driver 9.7.1 using their utility, it is unable to detect the L7780 in a wireless configuration. The moment I connect via USB or wired Ethernet, the printer is detected without a problem. My printer is located @ 192.168.1.30, fixed IP address via a NetGear FSW308 switch. My iMac is fixed @ 192.168.1.100 and the gateway is 192.168.1.1
I spent hours on the phone with HP support and am still in the same spot... HP software won't find the printer when it is wireless. I can configure OS x 10.5.2 to use the internal L7700 series driver and put the IP address in the dialog box. The printer prints without issue using the OS printer drivers, but the other features such as scan and fax will not work without the HP software.
I can ping the printer and I can connect to the printer's EWS, but the HP software will not find the software.
Overall config: iMac wireless network connection to switch; Printer also wireless connection to switch.
So far HP is dumbfounded and all they can say is that I should call Apple because the printer software works fine when I connect the Ethernet or USB cables.
HELP!
Thanks,
Roland

Thank you for the thought. Yes, although my SSID is public, I have a WEP 128-bit security key. The printer, the iMac and my Windows laptops all connect to the wireless network without issue, as evidenced by my Windows laptops and iMac (if I use the driver included with OS X 10.5.2).
I can ping the printer from the iMac as well as connect to the printer's web interface, so connectivity exists. It is as if the setup software or the printer are trying to communicate using a port that or service that OS X may be blocking.
My OS X firewall is configured to accept all connections though... so that shouldn't be the issue unless there is a bug in accepting all connections.
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I get wireless connection but my internet does not work on my ipad 2

I get wireless connection but my internet does not work on my ipad 2

Some things to try first:
1. Turn Off your iPad. Then turn Off (disconnect power cord for 30 seconds or longer) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
2. Go to Settings>Wi-Fi and turn Off. Then while at Settings>Wi-Fi, turn back On and chose a Network.
3. Change the channel on your wireless router (Auto or Channel 6 is best). Instructions at http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html
4. Go into your router security settings and change from WEP to WPA with AES.
5. Renew IP Address: (especially if you are droping internet connection)
    •    Launch Settings app
    •    Tap on Wi-Fi
    •    Tap on the blue arrow of the Wi-Fi network that you connect to from the list
    •    In the window that opens, tap on the Renew Lease button
~~~~~~~~~~~~~~~~~~~~~~~~~
iOS 6 Wifi Problems/Fixes
Fix For iOS 6 WiFi Problems?
http://tabletcrunch.com/2012/09/27/fix-ios-6-wifi-problems/
Did iOS 6 Screw Your Wi-Fi? Here’s How to Fix It
http://gizmodo.com/5944761/does-ios-6-have-a-wi+fi-bug
How To Fix Wi-Fi Connectivity Issue After Upgrading To iOS 6
http://www.iphonehacks.com/2012/09/fix-wi-fi-connectivity-issue-after-upgrading- to-ios-6.html
iOS 6 iPad 3 wi-fi "connection fix" for netgear router
http://www.youtube.com/watch?v=XsWS4ha-dn0
Apple's iOS 6 Wi-Fi problems
http://www.zdnet.com/apples-ios-6-wi-fi-problems-linger-on-7000004799/
~~~~~~~~~~~~~~~~~~~~~~~
Look at iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
iPad: Issues connecting to Wi-Fi networks http://support.apple.com/kb/ts3304
WiFi Connecting/Troubleshooting http://www.apple.com/support/ipad/wifi/
How to Fix: My iPad Won't Connect to WiFi
http://ipad.about.com/od/iPad_Troubleshooting/ss/How-To-Fix-My-Ipad-Wont-Connect -To-Wi-Fi.htm
iOS: Connecting to the Internet http://support.apple.com/kb/HT1695
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
iPad Wi-Fi Problems: Comprehensive List of Fixes
http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
Fix iPad Wifi Connection and Signal Issues http://www.youtube.com/watch?v=uwWtIG5jUxE
Fix Slow WiFi Issue https://discussions.apple.com/thread/2398063?start=60&tstart=0
How To Fix iPhone, iPad, iPod Touch Wi-Fi Connectivity Issue http://tinyurl.com/7nvxbmz
Unable to Connect After iOS Update - saw this solution on another post.
https://discussions.apple.com/thread/4010130
Note - When troubleshooting wifi connection problems, don't hold your iPad by hand. There have been a few reports that holding the iPad by hand, seems to attenuate the wifi signal.
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

R400 - unstable wireless connection

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