User profile for user: lloydthenovice
lloydthenovice Author
User level: Level 1
9 points

macbook pro using all bandwidth

I have a MacBook Pro for use at my work.


Our internet connection is not the best but recently i have been told that my PC is using all the bandwidth, even when i have very few programs running.


The company telephone is run on the internet and when I'm logged on the network it affects the connection.

The phone company are saying that i am using all the bandwidth.


Can someone advise how i can check to see what may be causing it.


Thanks in advance.

MacBook Pro (13-inch Mid 2010)

Posted on Apr 30, 2015 2:24 AM

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4 replies
User profile for user: Linc Davis
Linc Davis
User level: Level 10
209,739 points

Apr 30, 2015 7:42 AM in response to lloydthenovice

Any client on a network, including wireless clients you don't know about, could be consuming bandwidth. Wi-Fi networks must be protected with WPA2 security. If yours isn't, change the security setting on the access point. If it's already set that way, change the password. Make it a string of at least 8 random characters, including digits and upper- and lower-case letters. The password is saved in the keychain and you don't have to be able remember it; in fact, you shouldn't be able to remember it.

You make these changes in AirPort Utility, if the access point is an Apple device, or in a web browser otherwise.

If the network or the password was insecure, and bandwidth use returns to normal after securing it, you can be pretty sure the problem was caused by intruders.

But intrusion may not be the issue. Most often BitTorrent, iCloud, Dropbox, or some other cloud-data application is involved in cases of mysterious bandwidth use by a Mac. If you use iCloud, uncheck at least iCloud Drive in its preference pane and see whether there's any change. If you use third-party network backup or file-sync software, disable that. If you use a torrent client, remove it.

Otherwise, if you're running OS X 10.9 or later, you can see which processes are most active on the network.

Launch the Activity Monitor 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 and start typing the name.

Select All Processes from the View menu, if not already selected, and also select the Network tab.

Click the heading of the Sent Bytes column in the process table to sort the entries by bandwidth usage. You may have to click it twice to get the highest value at the top. What is it, and what is the process? Repeat with the Rcvd Bytes column.

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User profile for user: lloydthenovice
lloydthenovice Author
User level: Level 1
9 points

Apr 30, 2015 5:02 AM in response to lllaass

EtreCheck version: 2.2 (132)

Report generated 4/30/15, 1:00 PM

Download EtreCheck from http://etresoft.com/etrecheck


Click the [Click for support] links for help with non-Apple products.

Click the [Click for details] links for more information about that line.


Hardware Information: ℹ️

MacBook Pro (13-inch, Mid 2010) (Technical Specifications)

MacBook Pro - model: MacBookPro7,1

1 2.4 GHz Intel Core 2 Duo CPU: 2-core

4 GB RAM Upgradeable

BANK 0/DIMM0

2 GB DDR3 1067 MHz ok

BANK 1/DIMM0

2 GB DDR3 1067 MHz ok

Bluetooth: Old - Handoff/Airdrop2 not supported

Wireless: en1: 802.11 a/b/g/n

Battery: Health = Normal - Cycle count = 154 - SN = 9G03906MHD3MA


Video Information: ℹ️

NVIDIA GeForce 320M - VRAM: 256 MB

Color LCD 1280 x 800


System Software: ℹ️

OS X 10.10.2 (14C1514) - Time since boot: 4:26:56


Disk Information: ℹ️

Hitachi HTS545025B9SA02 disk0 : (250.06 GB)

EFI (disk0s1) <not mounted> : 210 MB

Macintosh HD (disk0s2) / : 249.20 GB (189.26 GB free)

Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB


HL-DT-ST DVDRW GS23N


USB Information: ℹ️

Apple Internal Memory Card Reader

Apple Inc. Built-in iSight

Apple Inc. BRCM2046 Hub

Apple Inc. Bluetooth USB Host Controller

HOLTEK USB Wireless Device

Apple Inc. Apple Internal Keyboard / Trackpad

Apple Computer, Inc. IR Receiver


Gatekeeper: ℹ️

Mac App Store and identified developers


Kernel Extensions: ℹ️

/System/Library/Extensions

[not loaded] com.tomtom.driver.UsbEthernetGadget (1.0.0d1) [Click for support]


Launch Agents: ℹ️

[loaded] com.google.keystone.agent.plist [Click for support]

[loaded] com.oracle.java.Java-Updater.plist [Click for support]

[failed] jp.co.canon.UFR2.BG.plist [Click for support] [Click for details]


Launch Daemons: ℹ️

[loaded] com.adobe.fpsaud.plist [Click for support]

[loaded] com.google.keystone.daemon.plist [Click for support]

[loaded] com.microsoft.office.licensing.helper.plist [Click for support]

[loaded] com.oracle.java.Helper-Tool.plist [Click for support]


User Launch Agents: ℹ️

[loaded] com.facebook.videochat.[redacted].plist [Click for support]

[failed] com.google.GoogleContactSyncAgent.plist [Click for support] [Click for details]

[running] com.microsoft.LaunchAgent.SyncServicesAgent.plist [Click for support]


User Login Items: ℹ️

iTunesHelper Application Hidden (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)

GrowlHelperApp Application (/Library/PreferencePanes/Growl.prefPane/Contents/Resources/GrowlHelperApp.app)

Belkin Router Monitor UNKNOWN (missing value)

MyTomTomSA UNKNOWN (missing value)


Internet Plug-ins: ℹ️

JavaAppletPlugin: Version: Java 8 Update 25 Check version

FlashPlayer-10.6: Version: 17.0.0.169 - SDK 10.6 [Click for support]

Default Browser: Version: 600 - SDK 10.10

Flash Player: Version: 17.0.0.169 - SDK 10.6 [Click for support]

AdobePDFViewer: Version: 10.0.1 [Click for support]

o1dbrowserplugin: Version: 5.41.0.0 - SDK 10.8 [Click for support]

QuickTime Plugin: Version: 7.7.3

SharePointBrowserPlugin: Version: 14.4.8 - SDK 10.6 [Click for support]

googletalkbrowserplugin: Version: 5.41.0.0 - SDK 10.8 [Click for support]

Silverlight: Version: 5.1.30514.0 - SDK 10.6 [Click for support]

iPhotoPhotocast: Version: 7.0


3rd Party Preference Panes: ℹ️

Flash Player [Click for support]

Growl [Click for support]

Java [Click for support]


Time Machine: ℹ️

Time Machine not configured!


Top Processes by CPU: ℹ️

11% WindowServer

1% securityd

1% fontd

0% notifyd

0% usernoted


Top Processes by Memory: ℹ️

425 MB kernel_task

213 MB com.apple.WebKit.WebContent(3)

147 MB Microsoft Word

119 MB HelpViewer

102 MB WindowServer


Virtual Memory Information: ℹ️

744 MB Free RAM

3.27 GB Used RAM

0 B Swap Used


Diagnostics Information: ℹ️

Apr 30, 2015, 08:31:52 AM Self test - passed

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User profile for user: lllaass
lllaass
User level: Level 10
210,513 points

Apr 30, 2015 7:11 AM in response to lloydthenovice

The only items questionable are:

- o1dbrowserplugin: Version: 5.41.0.0 - SDK 10.8 [Click for support]

I do not know what that is

- iPhotoPhotocast: Version: 7.0

That is a sharing app and may be sharing things over the internet

- SharePointBrowserPlugin: Version: 14.4.8 - SDK 10.6 [Click for support]

- googletalkbrowserplugin: Version: 5.41.0.0 - SDK 10.8 [Click for support]

Maybe the above two itemsare doing something

- SharePointBrowserPlugin: Version: 14.4.8 - SDK 10.6 [Click for support]

Maybe the above but I doubt it.


What does this show:

Also, open Activity Monitor which is in Finder>Applications>Utilities and click on Network and see what is using the network.

It could be apps like DropBox or iCloud Drive or iCloud Photos if you turned them one. It can take a while to sync to cloud

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macbook pro using all bandwidth

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