Very slow wireless speed

The wireless speed on my 15" MBP is abysmally slow! I restarted the laptop, installed the new firmware patch, and restarted my router, but nothing seems to work. I am actually making this post from my Windows Laptop, which is connected to the same wireless network and does not have any problems.
Does anyone else have this problem? Any suggestions on how this can be fixed?

Yes, many, many people have these same problems. These URLs were posted on another thread almost a month ago...If you look closely through the dozens of threads, hundreds of posts and thousands of views, you will realize that you are not alone...and, it has nothing to do with your router or your security settings - it is simply your MacBook Pro. We've been 'suffering' with this problem for months now and our 'glorious' Apple has yet to acknowledge that there is even a problem. Apparently, it takes the NYC school system to put a hold on Apple orders to get a fix for this...to h__ with the thousands of single user MBP customers. After 28 years as a dedicated Apple user, I've decided not to buy the Air (even though I liked it and it doesn't have any issues). I'm in Paris using my daughter's Intel MacBook (which has its own problems - like waking up from a sleep) having left my MBP on shelf because it can't can't maintain a steady, decent wi-fi connection. I would have thought that the release of 10.5.3 would be released by now but no such luck.
http://www.appleinsider.com/articles/08/04/17/macssuspended_from_nyc_schools_over_wififlaw.html
"it looks like it took some bad PR and possibly losing a really big order, but the word's finally getting out..."
http://www.appleinsider.com/articles/08/04/18/appleoffers_developers_weekend_10_5_3seed.html
and
http://www.9to5mac.com/leopardwirelesswoes

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VERY slow wireless speeds since Infinity 2 upgrade

I don't know whether it is just coincidence or not but ever since BT upgraded my Infinity Unlimited to Infinity 2, the wireless speeds on my home network have been ridiculously slow. With a wired connection I get about 55-65 Mbps download and 10-15Mbps upload typically, while on wireless it's a fraction of that. For instance, the last test I did gave 3.33Mbps download and 0.13Mbps upload! I have tried different routers, tried changing the wireless channels, tried turning off other wireless equipment in the house, all to no avail. The strange thing is, the wireless signal strength is showing good to excellent. The speeds I obtained when Infinity was first installed were typically around 20Mbps download and 7-8Mbps upload.
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Solved!
Go to Solution.

I am rather hoping that an engineer will be able to confirm whether or not the wireless signal is being degraded by interference and if so, what might be the cause and/or the general direction it is coming from. I have carried out all the tests I can do on my own, such as changing channels, routers, etc and turning off any other electronic devices in my home that emit radio signals, but nothing has made a jot of difference. All I know is that until a couple of months or so I had a great wireless signal, but now I do not. I can't find the cause without the help of an expert (i.e., BT engineer) coming to check what is going on. If BT are only interested in providing a good signal by ethernet cable, then they shouldn't be adverting on the TV how great their HH3 is at distributing a wireless signal around the home if it only works like that some of the time or for some people.

Help : very slow connection speed with AEBS and iMac

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Need some help.
I run Apple os/x latest version and have since yesterday begun to experience constant very slow download speeds.
I have rebooted the router and I have reset it. I have tested with wireless and wired into router. No real change.
The results are below and are pretty consistent no matter when or with what computer I test it with.
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Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
SendBufferSize set to [131768]
running 10s outbound test (client to server) . . . . . 5.44Mb/s
running 10s inbound test (server to client) . . . . . . 1.94Mb/s
------ Client System Details ------
OS data&colon; Name = Mac OS X, Architecture = x86_64, Version = 10.8.2
Java data&colon; Vendor = Apple Inc., Version = 1.6.0_37
------ Web100 Detailed Analysis ------
Client Receive Window detected at 359104 bytes.
10 Mbps Ethernet link found.
Link set to Full Duplex mode
Information: throughput is limited by other network traffic.
Good network cable(s) found
Normal duplex operation found.
Web100 reports the Round trip time = 22.89 msec; the Packet size = 1448 Bytes; and
There were 159 packets retransmitted, 288 duplicate acks received, and 394 SACK blocks received
The connection stalled 9 times due to packet loss
The connection was idle 2.01 seconds (16.75%) of the time
This connection is sender limited 35.49% of the time.
This connection is network limited 64.51% of the time.
Excessive packet loss is impacting your performance, check the auto-negotiate function on your local PC and network switch
Web100 reports TCP negotiated the optional Performance Settings to:
RFC 2018 Selective Acknowledgment: ON
RFC 896 Nagle Algorithm: ON
RFC 3168 Explicit Congestion Notification: OFF
RFC 1323 Time Stamping: ON
RFC 1323 Window Scaling: ON
Information: Network Middlebox is modifying MSS variable
Server IP addresses are preserved End-to-End
Information: Network Address Translation (NAT) box is modifying the Client's IP address
Server says [71.100.xxx.xxx] but Client says [192.168.1.9]

Both wired or wireless.
auto - negotiate
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E1200 router: very slow download speeds, ok uploady got

I recently set up a new E1200 router to replace my old one. We are having problems with very slow download speeds (often <0.10 Mbps) even while the upload speeds are OK (8-10 Mbps). Our previous download speed over wifi was 10-15 Mbps.
When I first set it up, the download speed was very poor on the initial computer. After fooling around, it was fine. I don't know what I did that made it speed up. However, my wife's computer has had very poor download speeds. After rebooting my computer, the download speed has also dropped bak to <0.10. I was able to stream Hulu on my Wii just fine an hour ago.
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So we could have this isolated, check how much speed you’re getting straight to the modem so we’ll have some point of comparison that from your internet provider. If through the router, you have struggles with not getting an acceptable value for download speed especially if it only happens with the wireless connection, you can try these: change the wireless channel and the wireless security on the router. If on the router, you have the channel set to auto by default change it to (3,6,9,11), just have to play around with it. Moreover, for the wireless security, select WPA2 Personal. If that doesn’t make any difference, update the firmware of the router, reset and have it reconfigured.

Very slow broadband speeds

Hello
My first post, and I'm hoping that someone will be able to help me with this.
For a few days now, I've been experiencing very slow broadband speeds (100kbps or less), in contrast to the 1.5 - 2Mbps that I would usually expect to get. I've been on hold to BT technical support for some time, and have got through twice, on both occasions being told that this is a widespread issue and to wait until the next day. However, I'm not seeing any improvement. I'm aware of the problems in Edinburgh and the North of England,but I'm in East Anglia.
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Connection information
Line state Connected
Connection time 1 day, 13:59:54
Downstream 1,504 Kbps
Upstream 448 Kbps
ADSL settings
VPI/VCI 0/38
Type PPPoA
Modulation ITU-T G.992.1
Latency type Interleaved
Noise margin (Down/Up) 15.0 dB / 19.0 dB
Line attenuation (Down/Up) 60.0 dB / 31.5 dB
Output power (Down/Up) 16.6 dBm / 11.9 dBm
Loss of Framing (Local) 0
Loss of Signal (Local) 0
Loss of Power (Local) 0
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CRC Errors (Down/Up) 297 / 2147480000
HEC Errors (Down/Up) nil / 72
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Once a line is stable and working well, it's best left running 24/7
Interventions like resets, replacing accelerators, unplugging the router etc. will cause line "flapping"
And the dslam sees this as instability, and in turn the BRAS lowers the IP profile ....
This is done to achieve stability, and decrease throughput purposefully, all done automatically.
What you have to do, is cure any line noise, plug directly into the master or test socket behind the NTE
faceplate, leave it connected and wait for the throughput to increase.
Very often a rock bottom IP may need a kick to get it out of the doldrums.
Eventually the noise margin will decrease, sync will increase, and IP profile go up.
Depending on how long the line has suffered impulse noise, will determine the time for SNR to come down.
Regardless of which type of phone you used to test quietline ... hum or crackle is a no-no.
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WRT600N slow wireless speeds

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Solved!
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dpnowak wrote:
This suggestion did not work. I tried to isolate the problem by optimizing the router's wireless settings. I used the 2.4GHz, set the radio band to standard 20Mhz then set the standard channel to 9. The laptop had the same slow wireless speeds as the iPad did.
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Very Slow Download Speed

Hi,
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Message was edited by: Ollie A

I think you're making the same mistake a lot of people make.
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Really? 1 gigabit per second? I assume that's a typo.
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Hello,
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Do you have QOS enabled in your router? Did you try plugging the win7 laptop directly and check the speed?

Very slow upload speed via infinity 2 (business) u...

Very slow upload speed via infinity 2 (business) unlimited after phone line fix (street cabinet) ?
Had my line fixed today by engineer (no dial tone).
Download rate near normal but upload = 0.73Mbps!?
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Just seems very low considered the line is now operational again.

48Hrs+ on from residential line reconnection my business infinity 2 broadband upload speed is now approaching normal speed levels.
What a 10 days that was all because some ass disturbed the cabling in the street cabinet!
Yes I'm aware I have business broadband and am talking about it in a residential based forum, but my actual phone line is still residential that it is supplied over and the business broadband product is much the same animal as that supplied to residential customers i.e. Infinity 2 Unlimited. Only the mail and option of static i.p. appear different - that is all.
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VERY slow broadband speeds (0.76mbps) Phoneline?

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Options
on 28-10-2012 12h38
ROUTER STATISTICS
System Up Time: 0:08:24
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MER
2351
2177
0
136
104
0:00:56
324
0
0
0
0
0:08:24
6762
6743
0
164
132
0:07:57
ADSL Link Downstream UpstreamConnection SpeedLine AttenuationNoise Margin
766 kbps
414 kbps
48.5 db
27.1 db
15.7 db
16.3 db
I'm with Sky, and have had very slow broadband for a while now. Above are the statistics from the test socket. Sky seem to think there is a problem with the line. I've now plugged the router into the main socket.
Any help would be appreciated.
**EDIT** My phone line is with BT, my broadband is with Sky. The problem Sky says is with the phone line it seems.

Hi Joe,
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Dean
BTCare Community Mod
If you like a post, or want to say thanks for a helpful answer, please click on the Ratings star on the left-hand side of the post.
If someone answers your question correctly please let other members know by clicking on ’Mark as Accepted Solution’.

Very slow connection speed

Very slow internet speed past 10 days. Have completed 1) VIOS recommended optimizer; 2) speed check (3.1 down, time out on upload); 3) diagnostic check (never completes analyzing); 4) turning router and devices off/on. Any other suggestions appreciated. Thanks

PLEASE NOTE MY LOCATION.
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Tom
Freedom Essentials, QIP 7100 1,Bose SOLO TV Sound System,,QIP 7216 P2,M1424WR Rev F, iPad 2 WiFi,iPhone 5,TV SYST INFO Release 1.9.5 Build No. 17.45
Data Object 39.45
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FiOS Internet Speed Tests 1 5 2014.pdf ‏41 KB

Slow wireless speed with new iMac Intel- problem with 802.11g?

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/Tobbe

Which home hub do you have?
There is some general help at this link Wireless connection problems
There are some useful help pages here, for BT Broadband customers only, on my personal website.
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T410 slow wireless speeds

We recently acquired two refurbished T410's - both of these laptops have extremely slow wireless speeds (slow or no page loads) and it seems that they periodically disconnect from the wireless connection for short periods of time.
I have these laptops connected to the same wireless connection as many other computers in our office - all of the other computers operate normally - only experiencing this issue with the two T410's.
I see that others have had a similar problem, but have not been able to locate a solution. Any help the community can provide would be appreciated.
T410's running Windows 7 Pro 64

Hi Jstern,
Welcome to Lenovo Community!
As per the query we understood that you are facing issue with Wifi on your ThinkPad T410.
Suggest you to update the drivers from ThinkVantage system update tool.
Hope this helps. Do post back if issue persists!
Best regards,
Hemanth Kumar
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Why i have very very slow downloading speed on wifi on iphone5

While on wifi I am experiencing very slow downloading speed on iPhone 5. My iPhone 5 is a brand new phone, I have to wait for hours to complete a running download of about 40mb or so. Please help me and tell me if there is any solution to that. On the same wifi network I have the new iPad and iPhone 4 and iPhone 4S, all are working perfectly getting perfect speed while downloading but I can't on iPhone 5.

What you did was fine. Leopard is a little different to 10.4.11, but:
Repairing permissions is an important part of regular maintenance, and should always be carried out both before and after any software installation or update.
Go to Disk Utility (this is in your Utilities Folder in your Application folder) and click on the icon of your hard disk (not the one with all the numbers).
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and here:
http://docs.info.apple.com/article.html?artnum=302672
If you were having any serious problems with your Mac you might as well complete the exercise by repairing your hard disk as well. You cannot do this from the same start-up disk. Reboot from your install disk (holding down the C key). Once it opens, select your language, and then go to Disk Utility from the Utilities menu. Select your hard disk as before and click Repair.
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Very slow wireless speed

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