WRT400N Can no longer connect to with cat 5 or wireless.

Been having random connection drops for the past few weeks where I would see the network connections to the router just drop either on a wireless connection or a wired cat 5 connection. As of tonight I cant connect to the router at all. If I disconnect and reconnect the power after 30 seconds it will come up for a short time but then I will lose it again. I can't get help from linksys as my router is out of warrenty. I'v searched around for similiar problems people have been having, but it seems like mostly involve just the internet connection. I still have the same firmware for the routers as the day I purchased it and the router sits on my desk in a ventilated area not overheating. I'm not sure what steps I can do to further diagnose the problem, I have even tried resetting to factory defaults. Is there any steps anyone here could recommend that I try to diagnose the problem or see if my router is just dead. Thanks in advance.
Peter.
Solved!
Go to Solution.

If that is the case then you can try the following steps:
# Open up the browser and on the address bar type 192.168.1.1 that will open up the Router setup page.
# On that same setup page reduce the MTU value to 1400 from Auto
# Then go to the Wireless tab, keep network mode as mixed,
For Channel Settings of 2.4 GHz you can make Channel Width to 20 MHz only and Channel to 6, 9, 11..
For Channel Settings of 5 GHz you can make Channel Width to 20 MHz only and Channel to 40 or 161...
Secondly avoid using any other wireless devices like cordless phones, microwave oven etc nearer to the router. Then check the wireless connectivity.

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Problem description:
gray screen at startup and crashes
EtreCheck version: 2.1.1 (104)
Report generated 6 de dezembro de 2014 13:29:43 BRST
Hardware Information: ℹ️
MacBook Pro (15-inch, Early 2011) (Verified)
MacBook Pro - model: MacBookPro8,2
1 2.2 GHz Intel Core i7 CPU: 4-core
4 GB RAM
BANK 0/DIMM0
2 GB DDR3 1333 MHz ok
BANK 1/DIMM0
2 GB DDR3 1333 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
AMD Radeon HD 6750M - VRAM: 1024 MB
Color LCD 1440 x 900
Intel HD Graphics 3000 - VRAM: 384 MB
System Software: ℹ️
Mac OS X 10.6.8 (10K549) - Uptime: 0:31:56
Disk Information: ℹ️
TOSHIBA MK7559GSXF disk0 : (698,64 GB)
S.M.A.R.T. Status: Verified
- (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / : 749.81 GB (378.70 GB free)
MATSHITADVD-R   UJ-898
USB Information: ℹ️
Apple Inc. FaceTime HD Camera (Built-in)
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Inc. BRCM2070 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Computer, Inc. IR Receiver
Thunderbolt Information: ℹ️
Apple, Inc. MacBook Pro
Problem System Launch Daemons: ℹ️
[not loaded] org.samba.winbindd.plist [Support]
Launch Agents: ℹ️
[running] com.babylon.activation.plist [Support]
[loaded] com.divx.dms.agent.plist [Support]
[loaded] com.divx.update.agent.plist [Support]
[loaded] com.hp.help.tocgenerator.plist [Support]
Launch Daemons: ℹ️
[loaded] com.adobe.fpsaud.plist [Support]
[loaded] com.microsoft.office.licensing.helper.plist [Support]
User Launch Agents: ℹ️
[loaded] com.adobe.ARM.[...].plist [Support]
[loaded] com.facebook.videochat.[redacted].plist [Support]
[loaded] com.google.keystone.agent.plist [Support]
[running] com.skype.c2c_service.plist [Support]
User Login Items: ℹ️
iTunesHelper UNKNOWNHidden (missing value)
FaceboxPro Aplicativo (/Applications/FaceboxPro.app)
Safari Aplicativo (/Applications/Safari.app)
Octoshape Aplicativo (/Users/[redacted]/Library/Octoshape/Octoshape.app)
uTorrent UNKNOWN (missing value)
Dropbox Aplicativo (/Applications/Dropbox.app)
Inkscape UNKNOWN (missing value)
RealPlayer Downloader Agent Aplicativo (/Users/[redacted]/Library/Application Support/RealNetworks/RealPlayer Downloader Agent.app)
HP Product Research Aplicativo (/Library/Application Support/Hewlett-Packard/Customer Participation/HP Product Research.app)
Internet Plug-ins: ℹ️
OVSHelper: Version: 1.1 [Support]
Google Earth Web Plug-in: Version: 7.1 [Support]
Flip4Mac WMV Plugin: Version: 2.4.4.2 [Support]
RealPlayer Plugin: Version: Unknown [Support]
AdobePDFViewerNPAPI: Version: 10.1.12 [Support]
FlashPlayer-10.6: Version: 15.0.0.239 - SDK 10.6 [Support]
DivX Web Player: Version: 3.1.1.9 - SDK 10.6 [Support]
Silverlight: Version: 5.1.30514.0 - SDK 10.6 [Support]
Flash Player: Version: 15.0.0.239 - SDK 10.6 [Support]
QuickTime Plugin: Version: 7.6.6
iPhotoPhotocast: Version: 7.0 - SDK 10.7
SharePointBrowserPlugin: Version: 14.1.2 [Support]
AdobePDFViewer: Version: 10.1.12 [Support]
JavaAppletPlugin: Version: 13.9.8 - SDK 10.6 Check version
User internet Plug-ins: ℹ️
npsf_uni: Version: sf 3.3.2.1 [Support]
OctoshapeWeb: Version: 1.0 - SDK 10.8 [Support]
Safari Extensions: ℹ️
Searchme Adware! [Remove]
Skype Click to Call
iSkyDeluxe
TED HTML5 video playe
Audio Plug-ins: ℹ️
iSightAudio: Version: 7.6.6
3rd Party Preference Panes: ℹ️
Flash Player [Support]
Flip4Mac WMV [Support]
Skype Click to Call [Support]
Tuxera NTFS [Support]
Time Machine: ℹ️
Time Machine information requires OS X 10.7 "Lion" or later.
Top Processes by CPU: ℹ️
      5% WindowServer
      4% DivXMediaServer
      1% fontd
      0% RealPlayer Downloader Agent
      0% WebProcess
Top Processes by Memory: ℹ️
296 MB WebProcess
202 MB FaceboxPro
185 MB Microsoft PowerPoint
163 MB Safari
137 MB Microsoft Word
Virtual Memory Information: ℹ️
843 MB Free RAM
1.76 GB Active RAM
706 MB Inactive RAM
978 MB Wired RAM
577 MB Page-ins
0 B Page-outs
Diagnostics Information: ℹ️
Dec 6, 2014, 12:58:24 PM Self test - passed
Dec 6, 2014, 12:23:11 PM Kernel_2014-12-06-122311_MacBook-Pro-de-...panic [Details]
Dec 6, 2014, 07:08:28 AM PluginProcess_2014-12-06-070828_MacBook-...crash
Dec 5, 2014, 05:24:39 PM WebProcess_2014-12-05-172439_MacBook-Pro...crash
Dec 5, 2014, 10:45:59 AM Kernel_2014-12-05-104559_MacBook-Pro-de-...panic [Details]
Dec 5, 2014, 10:18:14 AM Kernel_2014-12-05-101814_MacBook-Pro-de-...panic [Details]
Dec 3, 2014, 08:28:35 PM locationd_2014-12-03-202835_localhost.crash
Dec 5, 2014, 10:25:44 AM Kernel_2014-12-05-102544_MacBook-Pro-de-...panic [Details]

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WRT400N Can no longer connect to with cat 5 or wireless.

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