Internet connection slowdown on Macbook

Over the past few weeks, my internet connection on my Macbook (new 2/08) has become extremely slow, often giving time-out error messages on Safari & Firefox. Previous to this, it was the expected DSL high speed throughput. I have a Cat 5 wired network, and other computers on the network don't have the problem. I've changed the hub to the network on my Mac; still slow. I've repaired privileges and observed CPU, memory, disk and network graphs on the Activity Monitor during internet access without seeing anything that smacks of the problem. Slow at startup and 4 hours later. The Mac acts the same when I'm on the road on a hotel's WiFi, etc. A PC laptop with XP and the same ISP login has no slowdown on my network, so I'm convinced the problem is in the Macbook Anyone experienced this and can give me help? I'm at the point that I'm going to have to quit using my Macbook.

My slow down in my home office is on a wired Cat5 connection, not wireless. Yesterday I had to work from corp offices, and connected both wired and wireless. Both were near instant download from the internet on all the corporate stuff and on my personal email, and web sites I tested which would seem to indicate there's nothing wrong on my Macbook. Yet, when I got home and tested again on my home network, my Mac had the old slow problem, but all the PCs with MSIE were OK. It's a puzzle. Has anyone figured this one out, or am I hallucinating.

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Hi Adrian,
IPv6 troubleshooting http://support.apple.com/kb/TS3802
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OpenSystem Preferences > Network > select Ethernet > click on Advanced> TCP/IP > Configure IPv6 > Off > OK > Apply
http://docs.info.apple.com/article.html?path=Mac/10.6/en/11395.html
http://support.apple.com/kb/HT1714

How to share my internet connection on my macbook with my iPhone ?

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All of the sudden, this past week, my internet has been running quite slow on my Macbook Pro. This problem is with the Macbook itself and not with the internet connection (I have connected to various networks and my other wifi devices run well on them). I am not experiencing a problem connecting to various networks, but only the internet speed on all my browsers is the issue.
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Hi Adrian,
IPv6 troubleshooting http://support.apple.com/kb/TS3802
OpenSystem Preferences > Network > select AirPort > click on Advanced >TCP/IP > Configure IPv6 > Off > OK > Apply > Turn AirPort Off> Turn AirPort On
OpenSystem Preferences > Network > select Ethernet > click on Advanced> TCP/IP > Configure IPv6 > Off > OK > Apply
http://docs.info.apple.com/article.html?path=Mac/10.6/en/11395.html
http://support.apple.com/kb/HT1714

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I have been trying to wirelessly connect a Macbook for internet connection. What is the best router that can be purchased for Macbook that will also work with a PC.

Yes, it shouldn't matter. I just picked up an Airport Express tonight - VERY easy to setup and works like a charm. One caution - Express is a wireless router ONLY. There are no additional wired ports on it for wired systems in your house. You'll take the cable that comes from your DSL modem out of your computer, and put into the port on the Express (if you already have a wired computer). If you need a wired/wireless router, you'll require the Extreme model.

Internet connection lost on Macbook Pro when PCs are connected.

Recently I running into very annoying problem, here it is:
I am using comcast cable internet, connected to Airport Extreme (802n) wan port via ethernet, I got 3 computers are using the same wireless network: one Macbook Pro and two PCs. If both PCs are off, I have no connection problems on Macbook Pro, but if either one of the PCs are on, the browsers on my Macbook Pro can't connect to internet, however, I can still receive emails on Macbook Pro. By the way, airport extreme are set to DHCP, all computers share one IP address. Airport extreme with most recent firmware 7.3.2 installed.
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ddg57, Welcome to the discussion area!
By the way, airport extreme are set to DHCP, all computers share one IP address.
Each computer should have their own separate IP addresses. So I'm hoping that your statement above means:
(1) The AirPort Extreme base station (AEBS) uses DHCP to get an IP address from the ISP.
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I have a dual band Airport Extreme connected to Comcast Cable. I use a first generation Macbook to access the airport. The problem is that I keep on getting dropped Internet connections. The signal strength is shown at the top rhs of the screen as being full strength (4 bars).
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I have tried just about every possible setup on the AE including splitting the 2.4 and 5Ghz radios into two separate ssid's and changing the channels. I am using the latest AE firmware. I have also taken the AE back to the Apple store and they have swapped it for a new one.
I dont get the same issues with my windows clients or my ipad (although i have experienced issues while steaming video - but I think that may be a different issue).
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Use the advice in this thread to investigate the signal and noise levels that the Mac sees:
http://discussions.apple.com/thread.jspa?threadID=2347845&start=1
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6) In the folder /Library/Preferences ( _not_ <yourhomefolder>/Library/Preferences), move the folder SystemConfiguration onto the Desktop, then restart your computer. See if you can now make your AirPort connection work.
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Hi Very H2O-
I am not exactly sure what you are doing wrong, but these links have useful information and should help sort things:
Mac OS X: Troubleshooting a cable modem, DSL, or LAN Internet connection
Mac OS: Connecting to the Internet and sharing files locally at the same time
Luck-
-DP

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Hold down the option key and select the Wi-Fi menu in the menu bar. What values are shown for the following?
PHY Mode
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RSSI
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"... I read that this seems to be common problem with Snow Leopard..."
Can you shed some light on where you read this?

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If you have more than one user account, you must be logged in as an administrator to carry out these instructions.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
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Sig,
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If you have more than one user account, you must be logged in as an administrator to carry out these instructions.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Select the most recent panic log under the heading System Diagnostic Reports on the left. If you don't see that heading, select
View ▹ Show Log List from the menu bar. Post the entire contents of the panic report — the text, please, not a screenshot. In the interest of privacy, I suggest you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header and body of the report, if it’s present (it may not be.) Please don't post shutdownStall, spin, or hang reports.

Internet connection slowdown on Macbook

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