Sudden slowness and loss of wireless connection to PC

I've used my Dell laptop on my Airport Extreme wireless network without problem for two years. Yesterday, after installing an HP 8500 printer on the network, my PC became extraordinarily slow on the network, and kept losing its connection. I haven't been able to get it fixed. I've reinstalled the airport extreme, I've reset the cable modem and have turned my firewall off, but nothing has worked. I also uninstalled the printer, but that didn't help either. Any ideas for other things I can try? The imac and iphones connected to this network are still functioning fine, as is the printer, which I've now re-installed. It's just my Dell laptop that is not. Oh, btw, I took the laptop to a wireless hotspot this afternoon, and had no problem connecting to that network.

Update: Reverted to firmware version 7.4.2 and the problem was instantly solved. Hallelujah!

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10.7.5 suddenly slows and then freezes

My computer has just started to suddenly slow way down and then it freezes completely. When I reboot it seems fine, for perhaps 10 minutes or half an hour, but then it starts to lock up again. Any idea what the problem is? Here is my EtreCheck report:
Problem description:
Mac works perfectly normally for an hour or so and then suddenly slows and then freezes.
EtreCheck version: 2.1.8 (121)
Report generated April 12, 2015 9:28:58 PM EDT
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
    Mac Pro (Early 2008) (Technical Specifications)
    Mac Pro - model: MacPro3,1
    1 2.8 GHz Quad-Core Intel Xeon CPU: 4-core
    6 GB RAM
        DIMM Riser B/DIMM 1
            1 GB DDR2 FB-DIMM 800 MHz ok
        DIMM Riser B/DIMM 2
            1 GB DDR2 FB-DIMM 800 MHz ok
        DIMM Riser A/DIMM 1
            2 GB DDR2 FB-DIMM 800 MHz ok
        DIMM Riser A/DIMM 2
            2 GB DDR2 FB-DIMM 800 MHz ok
        DIMM Riser B/DIMM 3
            Empty
        DIMM Riser B/DIMM 4
            Empty
        DIMM Riser A/DIMM 3
            Empty
        DIMM Riser A/DIMM 4
            Empty
    Bluetooth: Old - Handoff/Airdrop2 not supported
Video Information: ℹ️
    ATI Radeon HD 2600 - VRAM: 256 MB
        DELL SE198WFP 1440 x 900 @ 75 Hz
        Cinema 1600 x 1000
System Software: ℹ️
    Mac OS X 10.7.5 (11G63) - Time since boot: 0:3:48
Disk Information: ℹ️
    ST3000VX000-9YW166 disk0 : (3 TB)
        disk0s1 (disk0s1) <not mounted> : 210 MB
        Macintosh HD (disk0s2) / : 3.00 TB (2.04 TB free) - 4 errors
        Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
    ST31000528AS disk1 : (1 TB)
        disk1s1 (disk1s1) <not mounted> : 210 MB
        Sabenza (disk1s2) /Volumes/Sabenza : 999.86 GB (20.97 GB free)
    WDC WD1001FALS-00J7B0 disk2 : (1 TB)
        disk2s1 (disk2s1) <not mounted> : 210 MB
        back up media (disk2s2) /Volumes/back up media : 999.86 GB (402.97 GB free)
USB Information: ℹ️
    Apple Computer, Inc. Apple Cinema Display
    USB2.0 External Mass Storage Device
    Mitsumi Electric Hub in Apple Extended USB Keyboard
        Mitsumi Electric Apple Optical USB Mouse
        Mitsumi Electric Apple Extended USB Keyboard
    Apple Inc. Bluetooth USB Host Controller
Firewire Information: ℹ️
    G-TECH OEM ATA Device 00 800mbit - 800mbit max
        disk3s1 (disk3s1) <not mounted> : 210 MB
        time-machine 2 (disk3s2) /Volumes/time-machine 2 : 3.00 TB (1.31 TB free)
Configuration files: ℹ️
    /etc/hosts - Count: 45
Kernel Extensions: ℹ️
        /Applications/TechTool Pro 4.app
    [not loaded]    com.micromat.iokit.TTP4ATADriver (4.1.1) [Click for support]
    [not loaded]    com.micromat.iokit.TTP4FWDriver (4.1.2) [Click for support]
        /Applications/Toast 10 Titanium/Toast Titanium.app
    [not loaded]    com.roxio.BluRaySupport (1.1.6) [Click for support]
        /Applications/Utilities/DiskWarrior.app
    [not loaded]    com.alsoft.Preview (4.2) [Click for support]
        /System/Library/Extensions
    [loaded]    com.AmbrosiaSW.AudioSupport (3.2) [Click for support]
    [loaded]    com.Cycling74.driver.Soundflower (1.6.6 - SDK 10.6) [Click for support]
    [not loaded]    com.dark.iokit.dvkey (1.0.0d1) [Click for support]
    [not loaded]    com.hzsystems.driver.CDSDAudioCaptureSupport (1.5) [Click for support]
    [not loaded]    com.palm.ClassicNotSeizeDriver (3.1) [Click for support]
    [not loaded]    com.sony.filesystem.prodisc_fs (2.3.0) [Click for support]
    [not loaded]    com.sony.protocol.prodisc (2.3.0) [Click for support]
    [not loaded]    net.pocketmac.driver.BlackberryUSB (2.0.2) [Click for support]
    [not loaded]    net.pocketmac.driver.BlackberryUSBDev (2.0.2) [Click for support]
        /Users/[redacted]/Library/Services/ToastIt.service/Contents/MacOS
    [not loaded]    com.roxio.TDIXController (2.0) [Click for support]
Launch Agents: ℹ️
    [not loaded]    com.adobe.AAM.Updater-1.0.plist [Click for support]
    [loaded]    com.adobe.CS4ServiceManager.plist [Click for support]
    [loaded]    com.adobe.CS5ServiceManager.plist [Click for support]
    [loaded]    com.google.keystone.agent.plist [Click for support]
    [loaded]    com.oracle.java.Java-Updater.plist [Click for support]
Launch Daemons: ℹ️
    [loaded]    com.adobe.fpsaud.plist [Click for support]
    [loaded]    com.adobe.SwitchBoard.plist [Click for support]
    [loaded]    com.adobe.versioncueCS4.plist [Click for support]
    [loaded]    com.bombich.ccc.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.noiseindustries.FxFactory.FxPlug.plist [Click for support]
    [loaded]    com.noiseindustries.FxFactory.plist [Click for support]
    [loaded]    com.oracle.java.Helper-Tool.plist [Click for support]
    [loaded]    com.oracle.java.JavaUpdateHelper.plist [Click for support]
User Launch Agents: ℹ️
    [loaded]    com.adobe.AAM.Updater-1.0.plist [Click for support]
    [loaded]    com.adobe.ARM.[...].plist [Click for support]
    [loaded]    com.facebook.videochat.[redacted].plist [Click for support]
    [running]    com.nero.HSMMonitor.plist [Click for support]
    [loaded]    com.redgiantsoftware.updater.plist [Click for support]
    [running]    com.spotify.webhelper.plist [Click for support]
User Login Items: ℹ️
    System Events    Application (/System/Library/CoreServices/System Events.app)
    iTunesHelper    UNKNOWN (missing value)
    DVKeyboardHelper    Application (/Applications/JSM Settings.app/Contents/Resources/DVKeyboardHelper.app)
    Transport Monitor    Application (/Applications/Palm/Transport Monitor)
    Microsoft AU Daemon    Application (/Applications/Microsoft AutoUpdate.app/Contents/MacOS/Microsoft AU Daemon.app)
    Microsoft Database Daemon    Application (/Applications/Microsoft Office 2004/Office/Microsoft Database Daemon)
    Microsoft Database Daemon    Application (/Applications/Microsoft Office X/Office/Microsoft Database Daemon)
    EEventManager    Application Hidden (/Applications/Epson Software/Event Manager.app/Contents/Resources/Assistants/Event Manager/EEventManager.app)
    Microsoft Database Daemon    Application (/Applications/Microsoft Office 2011/Office/Microsoft Database Daemon.app)
    Dropbox    Application (/Applications/Dropbox.app)
    TechToolProtection    Application (/Applications/TechTool Pro 4.app/Contents/SharedServices/0-StartupInit.service/Contents/Frameworks/TechToo lProtection.app)
    EEventManager    Application (/Applications/Epson Software/Event Manager.app/Contents/Resources/Assistants/Event Manager/EEventManager.app)
Internet Plug-ins: ℹ️
    RL Secure Plug-In Layer: Version: Unknown - SDK 10.5 [Click for support]
    o1dbrowserplugin: Version: 5.41.0.0 - SDK 10.8 [Click for support]
    Google Earth Web Plug-in: Version: 7.1 [Click for support]
    Flip4Mac WMV Plugin: Version: 2.4.4.2 [Click for support]
    RealPlayer Plugin: Version: Unknown [Click for support]
    AdobePDFViewerNPAPI: Version: 10.1.13 [Click for support]
    FlashPlayer-10.6: Version: 16.0.0.305 - SDK 10.6 [Click for support]
    DivXBrowserPlugin: Version: 1.4 [Click for support]
    Silverlight: Version: 5.1.20125.0 - SDK 10.6 [Click for support]
    Flash Player: Version: 16.0.0.305 - SDK 10.6 Outdated! Update
    iPhotoPhotocast: Version: 7.0
    googletalkbrowserplugin: Version: 5.41.0.0 - SDK 10.8 [Click for support]
    QuickTime Plugin: Version: 7.7.1
    AdobePDFViewer: Version: 10.1.13 [Click for support]
    SharePointBrowserPlugin: Version: 14.4.8 - SDK 10.6 [Click for support]
    eMusic: Version: Unknown [Click for support]
    JavaAppletPlugin: Version: Java 8 Update 31 Check version
User internet Plug-ins: ℹ️
    WebEx: Version: 1.0 [Click for support]
Audio Plug-ins: ℹ️
    DVCPROHDAudio: Version: 1.3.2
3rd Party Preference Panes: ℹ️
    Adobe Version Cue CS4 [Click for support]
    Déjà Vu [Click for support]
    DivX [Click for support]
    Flash Player [Click for support]
    Flip4Mac WMV [Click for support]
    Growl [Click for support]
    Java [Click for support]
    Perian [Click for support]
Time Machine: ℹ️
    Time Machine not configured!
Top Processes by CPU: ℹ️
         4%    helpd
         3%    activitymonitord
         1%    WindowServer
         1%    Google Chrome
         1%    SystemUIServer
Top Processes by Memory: ℹ️
    213 MB    Google Chrome Helper
    180 MB    System Preferences
    174 MB    Google Chrome
    155 MB    Mail
    97 MB    mds
Virtual Memory Information: ℹ️
    3.01 GB    Free RAM
    2.44 GB    Active RAM
    343 MB    Inactive RAM
    653 MB    Wired RAM
    504 MB    Page-ins
    0 B    Page-outs
Diagnostics Information: ℹ️
    Apr 12, 2015, 09:26:07 PM    /Users/[redacted]/Library/Logs/DiagnosticReports/Dock_2015-04-12-212607_[redact ed].crash
    Apr 12, 2015, 09:21:05 PM    Self test - passed
    Apr 10, 2015, 03:17:26 PM    /Library/Logs/DiagnosticReports/mdworker_2015-04-10-151726_[redacted].crash
    Apr 10, 2015, 03:17:26 PM    /Library/Logs/CrashReporter/mdworker_2015-04-10-151726_[redacted].crash
    Apr 10, 2015, 03:16:43 PM    /Library/Logs/DiagnosticReports/mdworker_2015-04-10-151643_[redacted].crash
    Apr 10, 2015, 03:15:02 PM    /Library/Logs/DiagnosticReports/mdworker_2015-04-10-151502_[redacted].crash
    Apr 10, 2015, 03:03:39 PM    /Library/Logs/CrashReporter/mdworker_2015-04-10-150339_[redacted].crash
    Apr 10, 2015, 03:03:39 PM    /Library/Logs/DiagnosticReports/mdworker_2015-04-10-150339_[redacted].crash
    Apr 10, 2015, 03:02:35 PM    /Library/Logs/DiagnosticReports/mdworker_2015-04-10-150235_[redacted].crash
    Apr 10, 2015, 03:02:35 PM    /Library/Logs/CrashReporter/mdworker_2015-04-10-150235_[redacted].crash
    Apr 10, 2015, 01:00:02 PM    /Library/Logs/DiagnosticReports/loginwindow_2015-04-10-130002_[redacted].crash
    Apr 10, 2015, 01:00:02 PM    /Library/Logs/CrashReporter/loginwindow_2015-04-10-130002_[redacted].crash
    Apr 10, 2015, 11:12:56 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-111256_[redacted].crash
    Apr 10, 2015, 11:12:56 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-111256_[redacted].crash
    Apr 10, 2015, 11:11:56 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-111156_[redacted].crash
    Apr 10, 2015, 11:11:56 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-111156_[redacted].crash
    Apr 10, 2015, 10:53:01 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-105301_[redacted].crash
    Apr 10, 2015, 10:53:01 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-105301_[redacted].crash
    Apr 10, 2015, 10:52:01 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-105201_[redacted].crash
    Apr 10, 2015, 10:52:01 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-105201_[redacted].crash
    Apr 10, 2015, 10:52:00 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-105200_[redacted].crash
    Apr 10, 2015, 10:52:00 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-105200_[redacted].crash
    Apr 10, 2015, 10:51:31 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-105131_[redacted].crash
    Apr 10, 2015, 10:51:31 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-105131_[redacted].crash
    Apr 10, 2015, 10:51:16 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-105116_[redacted].crash
    Apr 10, 2015, 10:51:16 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-105116_[redacted].crash
    Apr 10, 2015, 10:50:56 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-105056_[redacted].crash
    Apr 10, 2015, 10:50:56 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-105056_[redacted].crash
    Apr 10, 2015, 10:50:46 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-105046_[redacted].crash
    Apr 10, 2015, 10:50:46 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-105046_[redacted].crash
    Apr 10, 2015, 10:49:29 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-104929_[redacted].crash
    Apr 10, 2015, 10:49:29 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-104929_[redacted].crash
    Apr 10, 2015, 10:48:00 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-104800_[redacted].crash
    Apr 10, 2015, 10:48:00 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-104800_[redacted].crash
    Apr 10, 2015, 10:46:59 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-104659_[redacted].crash
    Apr 10, 2015, 10:46:59 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-104659_[redacted].crash
    Apr 10, 2015, 10:46:29 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-104629_[redacted].crash
    Apr 10, 2015, 10:46:29 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-104629_[redacted].crash
    Apr 10, 2015, 10:46:03 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-104603_[redacted].crash
    Apr 10, 2015, 10:46:03 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-104603_[redacted].crash
    Apr 10, 2015, 10:44:03 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-104403_[redacted].crash
    Apr 10, 2015, 10:44:03 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-104403_[redacted].crash
    Apr 10, 2015, 10:42:04 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-104204_[redacted].crash
    Apr 10, 2015, 10:42:04 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-104204_[redacted].crash
    Apr 10, 2015, 10:41:03 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-104103_[redacted].crash
    Apr 10, 2015, 10:41:03 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-104103_[redacted].crash
    Apr 10, 2015, 10:39:04 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-103904_[redacted].crash
    Apr 10, 2015, 10:39:04 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-103904_[redacted].crash
    Apr 10, 2015, 10:38:03 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-103803_[redacted].crash
    Apr 10, 2015, 10:38:03 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-103803_[redacted].crash
    Apr 10, 2015, 10:37:03 AM    /Library/Logs/DiagnosticReports/ocspd_2015-04-10-103703_[redacted].crash
    Apr 10, 2015, 10:37:03 AM    /Library/Logs/CrashReporter/ocspd_2015-04-10-103703_[redacted].crash
    Apr 10, 2015, 04:07:03 AM    /Library/Logs/CrashReporter/xpchelper_2015-04-10-040703_[redacted].crash
    Apr 10, 2015, 04:07:03 AM    /Library/Logs/DiagnosticReports/xpchelper_2015-04-10-040703_[redacted].crash
    Apr 10, 2015, 04:02:14 AM    /Library/Logs/DiagnosticReports/spindump_2015-04-10-040214_[redacted].crash
    Apr 10, 2015, 04:02:14 AM    /Library/Logs/CrashReporter/spindump_2015-04-10-040214_[redacted].crash
    Apr 6, 2015, 09:14:29 AM    /Library/Logs/DiagnosticReports/Kernel_2015-04-06-091429_[redacted].panic [Click for details]

Well, I made it to the Apple store and they, contrary to the guys at B&H, confirmed my original suspicion and yours: that the drive was failing. I bought a replacement drive and am restoring my time machine back up now.
I am a bit annoyed that the B&H guys got this one wrong but I have to give them credit for underselling me rather than overselling me; I do appreciate that.
Also worth mentioning is that the 3TB Seagate drive was less than 2 years old and is supposedly still under warrantee. I am looking forward to seeing what kind of support I get from them.
So big thanks to you, Bob, for your very good suggestions.   The Apple community has come through strong for me and I appreciate it.

TC & MBP - complete loss of wireless connection and usage

I apologise in advance if this is a very long winded post! I've been an Apple fan for some 20 years now and it's only in the last three months that my love affair is starting to wane due to (what seems to me) poor hardware releases.
My setup:
1 x PowerBook G4 1.25Ghz with Edimax 802.11n PC Card
1 x MBP 2.4Ghz (purchased April 2008) with AirPort 802.11n
1 x Time Capsule 500Gb
1 x Airport Extreme Base Station Gigabit Ethernet edition
1 x Netgear DG384 v2 (wired only) modem router
1 x standard ADSL connection (8Mbps) from a UK ISP (and yes, 8Mb is about the norm for the UK! Though in reality, it means closer to 4Mb...)
The Netgear router is connected to the ADSL line and is set up as the DHCP server for the network. I have a Fixed IP address from my ISP. The Time Capsule is connected via ethernet to the Netgear router. The TC is set up in Bridge mode as the router serves DHCP. The TC is wall mounted via the excellent AirMount from H-Squared.
The TC has been through a myriad of configurations in an attempt to create a stable wireless environment since its purchase in April. Prior to my recent holiday (two weeks in Greece - hurrah!), the current configuration was solid for both Macs.
The config is: Bridge mode; 2.4Ghz N Only wireless; WPA2 secured; no MAC address access control restrictions (so pretty straightforward). The TC is running firmware 7.3.1. It is setup as "Create a Wireless Network"
Both Macs are running OS X 10.5.3 with all of the latest updates including AirPort Utility 5.3.2.
It took me about six weeks to hit upon this config for the TC having had many wireless drop outs, stalled connections, lost internet connections (ie. I could access the TC HDD but could not access the internet using the same wireless connection). So much frustration in the early days - I tried many of the solutions on this forum but to no avail until I hit upon the 2.4Ghz N Only route which seemed to be the answer to all my problems.
Prior to leaving on holiday, I unplugged all of the equipment in the room including the TC and the router. When I returned, I restarted everything in a logical sequence - router first (and waited for a connection), then the TC and then the Macs.
From this point on the problems have started. The PB G4 with the wireless card has a more or less stable connection. The wireless card connects immediately to the TC but then it takes approximately 30-60 seconds for an internet connection to work (so I see a lot of the Not connected to the internet messages in Safari). It seems to immediately get an IP address from the router via the TC but then the internet connection itself takes a while to come up.
The MPB on the other hand is a nightmare. Since returning from holiday I have not been able to get a workable wireless connection at all. In no particular order, the problems that the MBP exhibits are as follows (these can occur at the same time or individually):
i) only returns a self-assigned IP address; renewing the DHCP lease does not fix the problem
ii) does not see the network at all (although it will see others in the vicinity)
iii) cannot connect to the network - returns the Connection Timeout error or very occasionally the Password Incorrect error; I have tried connecting the network via the AirPort menu bar item, via Join another network... from the menu bar, via the Network selection menu in System Preferences > Network and even via Internet Connect - all with no success
iv) sometimes I am able to connect to the network but no IP address is received. Having checked the TC logs, it shows the same error occurring over and over again:
Jun 26 22:06:04 Severity:5 Associated with station 00:1e:c2:ba:78:6c
Jun 26 22:06:07 Severity:5 Deauthenticating with station 00:1e:c2:ba:78:6c (reserved 2).
Jun 26 22:06:07 Severity:5 Disassociated with station 00:1e:c2:ba:78:6c
The MBP connects but is immediately thrown off the network.
So to all intents and purposes, the wireless aspect of the MBP and the TC are completely useless.
When I use a wired (ethernet) connection to the TC everything is joyful. Instant IP address assignment, excellent connection speeds, no drop outs and so on. So as far as I can ascertain, the TC is working fine with the exception of the wireless/wireless security.
The AEBSn that is connected to the same network no longer appears in Airport Utility.
Having read through many posts here, I have tried many solutions including:
- downgrading the FW to 7.3; no difference at all
- turning off wireless security; no difference at all
- changing channels; I've tried 1, 6, 9, 11 and 13 with no difference at all
- changing the wireless mode; B/G, G only, N only all make no difference (I can't use 5Ghz N only as the PB G4 does not support this and I need both Macs wirelessly connected)
- rebooting the TC (both via Airport Utility and 'power off'); makes no difference
- reinstalled OS X 10.5.1 (via the install disks that came with the MBP) using the Archive & Install feature; then used the Combo updater to upgrade directly to 10.5.3; once again, no difference.
I have not yet done a hard reset as this has made no difference in the past but obviously I will try it.
In other words, HELP!
I am stymied. I have tried so many solutions offered on here and on the likes of MacFixIt and other Mac forums none of which have brought back my wireless connection for the MBP.
The MBP works very well with other wireless connection. For example, at work, we have a Linksys WRT54G wireless router connected to a BT leased line. I have not had a single connection issue for three months with this setup. Similarly, whilst on holiday, I used many different hot spots and had no issues with the wireless connection. All of this evidence leads me to suspect that the MBP is not the issue.
From what I can tell, the problem seems to be in the wireless security on the TC. It seems to prevent access by MBP (though not the PB G4 using a wireless card) but disabling security did not change the error messages shown in the log or the lack of connectivity.
It is a real shame that I cannot get a satisfactory working environment with the TC as the concept is great. The reality is, however, that it is unusable in its current condition and loathe as I am to try and return it or replace it, I am rapidly coming the conclusion I will have to.
Before I do, however, I am hoping that the genii who exist on these forums may be able to proffer some ideas or solutions that I haven't yet tried.
My sincere thanks will go to anyone who provides a solution for me. There may even be beer involved as a mark of gratitude!!
Thanks for reading and fingers crossed someone knows something special...

Smokerz: thanks for the reply and the advice. Not really in a position to set up a dual network at the moment due to the positioning of the TC and the AEBS but if I get an opportunity to try it I will.
I have temporarily given up with the TC as the router for the wireless network. I've installed a Vigor 2820n modem router (it's the only one I could find that has a Gigabit port - only one though) as well being a modem (ADSL) router. Thus far, everything seems fine - although I have had a couple of drop outs due (I think) the AirPort connection on the MBP. And interestingly, I've set up the TC as a "test" wireless network using the Vigor's internet connection and it's way more stable than with the Netgear router. So perhaps it's a combination of many factors - the poor Netgear router, the TC and the MBP AirPort connection - that was causing the issues.
I'll give 10.5.4 a go as well and see if that helps at all.
Thanks to all who read the question - if anyone else has thoughts I'd be delighted to hear them.

Detect loss of wireless connection

GOAL : physicians in a hospital getting access to web-based JSP content through a Pocket PC browser(IE) and wireless connectivity. We already have the "normal-size" JSP pages for desktop computers and we'd like just to provide a reduced version of theses pages to browse on a PDA.
PROBLEM : Even with a well designed WLAN with good access point placement, you may experience connection loss. And it's a problem when browsing JSP pages : imagine submitting a form when you're suddenly offline : you'll get a 404 or something similar -> not serious.
QUESTION : If I port our application in the Personal Profile Xlet framework, Would it be possible to detect connection loss in an Xlet or somewhat... then it could set the rest of the app to work in a kind of degraded mode. How can we manage that ?

You could have a thread which is dedicated to managing the apparent connectivity. It connects to a well known location, if it cannot connect then you are assumed to be disconnected and the application should downgrade. The routines that handle networking should be able to fail gracefully and not generate exceptions which would terminate the program. As an example you can update your stocks whenever theres a connection but if there isn't one you can always show the value and the last time it was successfully retrieved.

My iPad is running really slow, and I can't connect to my iTunes account or App Store ,keeps saying can't connect to server ,but have another iPad in house and it's working fine

My ipad is running really slow, and it will not let me connect to iTunes or App Store, but have another iPad in house which is working fine I,please help

Try a hard reset by pressing the Home button and Wake / Sleep button at the same time, keep them both pressed until the Apple Logo appears on the screen.
This does not lose any data on your iPad.

8500a all in one, and macbook pro wirelessly connected. Broken pipe ????

i have an all in one 8500a and a mac pro wirelessly connected. It has been fine for 7 months. Now I am getting a message that says broken pipe, what do I do? I have no idea what a pipe is.

Hi,
Try resetting the Printing System, then reconfigure the device:
*Be aware that resetting the printer system will remove any existing print queue and reset any customized driver settings.
Click the Apple menu, and then click System Preferences .
Select Print & Fax.
Right-click (or Ctrl + click) your product in the Printers list in the left panel, and then click Reset printing system .
Click OK to confirm the reset.
Type your user Name and Password .
Click OK . The printing system resets.
Now reconfigure the device by following the HP Setup Assistant, located under Applications > Hewlett Packard > Device Utilities.
Now check if the problem been sorted.
If the issue remains with no change, completely remove any installed HP Software by using Scrubber:
**Please be aware that performing the next steps will remove any installed HP Software.
1. Click on Go menu (Click the desktop, then look at the menu in the bar at the top of the page)
2. Select Applications
3. Select the Hewlett-Packard folder
4. Double-click HP Uninstaller application
5. Follow the uninstallation till prompted to select a device to uninstall
6. Press and hold Control + Alt + Cmd keys on the keyboard simultaneously while you click on Uninstall
7. approve any prompt to uninstall any HP Software.
Repair the Mac OS Disc Permissions:
1. Open the the Applications folder.
2. Go to the Utilities folder.
3. Double-click on Disk Utility.
4. Select the hard drive containing the boot volume.
5. Go to the First Aid tab and select Repair Disk Permissions.
Note: This process may take several minutes depending on the Mac and amount of permissions that need to be repaired. The Progress Log will indicate when the proccess has been completed.
Download and install the latest software below:
Mac OS X v10.5 (Leopard) or v10.6 (Snow Leopard):
http://ftp.hp.com/pub/softlib/software11/COL34340/mp-85024-2/OJ_AIO_08_8500_A910_Net_Full_Mac_WW_74....
Mac OS X v10.7 (Lion):
http://ftp.hp.com/pub/softlib/software12/COL40169/bi-97933-2/HP_Lion_Ink_SW_v12-1.13.22.dmg
Finally make sure to install any available HP by clicking the Apple icon and then Software Update.
Please let us know of any further issue,
Shlomi
Say thanks by clicking the Kudos thumb up in the post.
If my post resolve your problem please mark it as an Accepted Solution

HT1595 Apple tv and a secure wireless connection

My daughters wireless connection at her college requires a username to login (a netid). How can I configure the apple tv to use such a network?

When your daughter contacts the IT Dept at her school, she will need to provide the MAC address. Settings, General, Network
Right above the Signal Strength bars you will see a set of letters and numbers.
That is a hardcoded specific address of the device which is unique to it. Each network device has such an address (your smart phone, network printer, modem, your laptop, ...)
If the school allows they will enter the MAC address into their list of allowed devices to bypass the login screen.

Firefox problems with slow and unreliable dialup internet connection

I have a slow an unreliable dialup internet connection. This is all that is available in my area -- no form of 'broadband' internet is available, not even satelight (I have too many trees in the way).
What happens is that due to the poor quality of the analog telephone system (very old and poorly maintained copper cables), my modem drops the internet connection from time to time -- it *usually* dials back, but sometimes I have to manually restart the connection. Because the the connection is so slow, it takes a long time to completely load pages and if the connection is lost in the middle of loading a page, Firefox seems to become 'confused' and even if I stop loading the page and then try to reload it, it does not do so. I have an external modem, so I can watch the blinking lights, so I know when data is being transfered (I also have a connection monitor feature as part of my dialup connection software which shows a bar chart of data transfers over the dialip connection).
I *seems* like what is happening is that Firefox has open network connections that become 'void' when the connection is lost and then reconnected and Firefox attempts to re-cycle these connections. Or else it has 'worker threads' that have become confused or wedged.
Are there settings that I can set (eg with 'about:config') to deal with these issues?

Maybe it helps if you toggle the File > Work Offline setting on/off.
You can also try to reload web page(s) and bypass the cache.
*Press and hold Shift and left-click the Reload button.
*Press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
*Press "Cmd + Shift + R" (MAC)

Loss of wireless connection

I've completely lost my wireless connection to my home hub although I can connect through an ethernet cable. I can connect to a wi fi hotspot. This has happened before and phoning the helpline has got it working again. This time I was told I need a new router and would get one if I renewed my contract. As a 10 yr customer I wasn't happy! If I refresh the network list, my home hub is there but the connect failure message mentions TCP/IP is not configured although settings of my adapter say it is. I've tried another router but exactly the same thing happens. This is also the scenario on the stepsons macbook. Any thoughts?

There is some help on this page.
Wireless connection problems
There are some useful help pages here, for BT Broadband customers only, on my personal website.
BT Broadband customers - help with broadband, WiFi, networking, e-mail and phones.

Asus TF700, Samsung Galaxy Tab 10.1 and 3G/4G wireless connectivity

Hello - the Asus TF700 does not have 3G/4G wireless connectivity. The Samsung Galaxy Tab 10.1 does. How big of factor should this be in deciding between these two tablets?
Thanks
s

It boils down to if you want a data plan or not.
Most phones have a wifi data sharing app or at worst tethering. Meaning if you have a phone with a data plan always on you (as most do) then you wouldn't "need" 3G/4G. But some like it just for convenience.
Me, I have no data plan on my iPhone or tablets. But I also spend 80%+ of my days at one of my jobs (both have wifi) or at home (also wifi). Also I live in the city and virtually every fast food place has wifi now, so if I need to look something up I just have to pull over for 5 minutes at the closest resteraunt. Just can't spend the extra $60+ a month on a data plan when you can get a gophone plan with unlimited text/calls for $25.

I have an iphone 4 and getting to the settings menu is really slow and it will not connect to any wifi

i have an iphone 4 and getting to the settings menu is really slow. it takes forever to load, and it will not connect to any wifi

Hey,
Make sure the Usb and Phone Connector are fully pushed in.
If that doesnt work try another Usb Port as it may be faulty.
Jason

Slow and Sluggish ITouch when Connected to ITunes

I am running IOS 6.0.1 on an ITouch with a capacity of 28.5 GB and it has 1.968 songs on it. When I connect ITunes 11.0.1.12 and try to access, my songs "get info" to change album titles or anything else that you can modify, the ITouch gets very slow and sluggish. It takes 3-4 minutes to move from tab to tab or song to song. Is there a fix for this? I've searched the community with no success. Am I the only one having this issue? Also, even though I have the box ticked to "start ITunes when Ipod is attached", this never happens and I have to manually open it. Thanks.

With the iPod connected to the computer click on the iPod under Dvices in iTunes. A screen will show . Usually the Summary pane comes up first. Near the top of the sreen are the heading for the various panes (Summary, Info,....Podcast, Books, Photos. Clcik on the pOdcast one. Near the tops ar check boxes.

Unexpected shutdowns and loss of internet connectivity on brand new 420t

Hi,
I was experiencing unexpected shutdowns (would see safe mode choices when turned PC back on) and also intermittent internet connectivity issues.
To Fix:
In device manager, I turned off the option in the Realtek Network Controller Power management tab to allow the computer to turn off this device to save power.
It's been working like a charm so far (2 days). I'm not so sure HP should be building PCs with this option set. There are no updates that I haven't installed either. PC still sleeps (can see nic lights go off) and wakes up just fine.
Other that that we really like this PC...Beats Audio wasn't impressive with only the internal speakers, then I tried a good set of external tweeters and a subwoofer and then it was realized.
Hope this helps someone.

Troy,
Thanks for the suggestion. It sounds like you've heard that others have had this problem. Is that right?
And are you suggesting that the kernel panics and the loss of Internet connection are related? They often happen independently of one another.
Claire

Mac suddenly slow and laggy. Memory is not an issue. Can anyone please review my etrecheck report?

It went from running fine, to being slow and laggy overnight. Memory or HD space is not an issue. Can someone please review the following report that etrecheck ran for me, and let me know of any potential problems they see.
EtreCheck version: 1.9.12 (48)
Report generated July 19, 2014 10:09:38 AM EDT
Hardware Information:
MacBook Pro (13-inch, Mid 2012) (Verified)
MacBook Pro - model: MacBookPro9,2
1 2.9 GHz Intel Core i7 CPU: 2 cores
8 GB RAM
Video Information:
Intel HD Graphics 4000 - VRAM: 512 MB
Color LCD 1280 x 800
System Software:
Mac OS X 10.7.5 (11G63b) - Uptime: 0 days 1:36:5
Disk Information:
TOSHIBA MK7559GSXF disk0 : (750.16 GB)
disk0s1 (disk0s1) <not mounted>: 209.7 MB
Macintosh HD (disk0s2) / [Startup]: 749.3 GB (641.69 GB free)
Recovery HD (disk0s3) <not mounted>: 650 MB
HL-DT-ST DVDRW GS31N
USB Information:
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Computer, Inc. IR Receiver
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Inc. FaceTime HD Camera (Built-in)
Thunderbolt Information:
Apple, Inc. MacBook Pro
Configuration files:
/etc/hosts - Count: 20
Kernel Extensions:
[loaded] com.protech.NoSleep (1.3.1 - SDK 10.8) Support
Launch Daemons:
[loaded] com.adobe.fpsaud.plist Support
[loaded] com.google.keystone.daemon.plist Support
[loaded] com.macpaw.CleanMyMac2.Agent.plist Support
[loaded] com.microsoft.office.licensing.helper.plist Support
[loaded] com.oracle.java.Helper-Tool.plist Support
[loaded] org.macosforge.xquartz.privileged_startx.plist Support
Launch Agents:
[not loaded] com.adobe.AAM.Updater-1.0.plist Support
[failed] com.adobe.AdobeCreativeCloud.plist Support
[loaded] com.google.keystone.agent.plist Support
[loaded] com.oracle.java.Java-Updater.plist Support
[loaded] org.macosforge.xquartz.startx.plist Support
User Launch Agents:
[failed] com.apple.CSConfigDotMacCert-[...]@me.com-SharedServices.Agent.plist
[loaded] com.macpaw.CleanMyMac2Helper.diskSpaceWatcher.plist Support
[loaded] com.macpaw.CleanMyMac2Helper.scheduledScan.plist Support
[loaded] com.macpaw.CleanMyMac2Helper.trashWatcher.plist Support
[running] com.spotify.webhelper.plist Support
User Login Items:
Flux
Internet Plug-ins:
JavaAppletPlugin: Version: Java 7 Update 40 Check version
o1dbrowserplugin: Version: 5.4.2.18903 Support
Unity Web Player: Version: UnityPlayer version 4.1.2f1 Support
FantashowPlugin: Version: FantashowPlugin 1.0.0.0 - SDK 10.7 Support
AdobeAAMDetect: Version: AdobeAAMDetect 2.0.0.0 - SDK 10.7 Support
FlashPlayer-10.6: Version: 14.0.0.145 - SDK 10.6 Support
Silverlight: Version: 5.1.10411.0 - SDK 10.6 Support
Flash Player: Version: 14.0.0.145 - SDK 10.6 Support
QuickTime Plugin: Version: 7.7.1
googletalkbrowserplugin: Version: 5.4.2.18903 Support
SharePointBrowserPlugin: Version: 14.2.3 - SDK 10.6 Support
DirectorShockwave: Version: 12.0.2r122 - SDK 10.6 Support
Safari Extensions:
Open in Internet Explorer: Version: 1.0
Searchme: Version: 1.3
Audio Plug-ins:
iSightAudio: Version: 7.7.1 - SDK 10.7
iTunes Plug-ins:
Quartz Composer Visualizer: Version: 1.3 - SDK 10.7
User iTunes Plug-ins:
TuneUp Visualizer: Version: Unknown
User Internet Plug-ins:
thinkorswim plugin_x86_64: Version: thinkorswim_x86_64 1.0.0.0 - SDK 10.7 Support
tossc plugin_x86_64: Version: TOS Sharing Center plugin_x86_64 1.0.0.0 - SDK 10.7 Support
3rd Party Preference Panes:
Flash Player Support
Java Support
Time Machine:
Time Machine not configured!
Top Processes by CPU:
      3% WindowServer
      0% opendirectoryd
Top Processes by Memory:
82 MB mds
49 MB Finder
41 MB HP_Photosmart_C4400_series
33 MB SystemUIServer
33 MB WindowServer
Virtual Memory Information:
6.42 GB Free RAM
677 MB Active RAM
206 MB Inactive RAM
730 MB Wired RAM
366 MB Page-ins
0 B Page-outs

First, if you don't already have a current backup, back up all data immediately.
When you have the problem, note the exact time: hour, minute, second.
These instructions must be carried out as an administrator. If you have only one user account, you are the administrator.
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.
The title of the Console window should be All Messages. If it isn't, select
          SYSTEM LOG QUERIES ▹ All Messages
from the log list on the left. If you don't see that list, select
          View ▹ Show Log List
from the menu bar at the top of the screen.
Each message in the log begins with the date and time when it was entered. Scroll back to the time you noted above. Select the messages entered from then until the end of the episode, or until they start to repeat, whichever comes first. Copy the messages to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.
The log contains a vast amount of information, almost all of it useless for solving any particular problem. When posting a log extract, be selective. A few dozen lines are almost always more than enough.
Please don't indiscriminately dump thousands of lines from the log into this discussion.
Please don't post screenshots of log messages—post the text.
Some private information, such as your name, may appear in the log. Anonymize before posting.

10.7.4 causing hangs and loss of internet connection

Since the update I have had applications hanging and crashing. Mostly Mail, iTunes, and Safari. What is more annoying however is when the computer is inactive for an hour or so, I lose internet connectivity and have to shut down and reboot in order to get it back. I am on a wired connection and sharing another wired connection through the second ethernet port. Has anyone had these issues? It seems like 10.7.4 really messed with my machine...

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.
☞ If you’re running Mac OS X 10.7 or later, open LaunchPad. Click Utilities, then Console in the page that opens.
Step 1
Enter the name of the crashed application or process in the Filter text field. Post the messages from the time of the last crash, if any — the text, please, not a screenshot.
Important: Some private information, such as your name, may appear in the log. Edit it out by search-and-replace in a text editor before posting.
Step 2
Still in the Console window, look under User Diagnostic Reports for crash reports related to the process. The report name starts with the name of the crashed process, and ends with ".crash". Select the most recent report and post the contents — again, the text, not a screenshot. In the interest of privacy, I suggest that, before posting, you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if it’s present (it may not be.) Please don’t post shutdownStall or hang logs — they're very long and not helpful.

Sudden slowness and loss of wireless connection to PC

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