How can I troubleshoot wi fi connection problems?

My device will show available networks, says that it is connected to one available but then I can not log on to the internet or open web pages/itunes etc...because it says that I am not connected to the internet. I have reset the network connections and everything. Are there any other suggestions?

Try #2 and #3 in link below. If neither work, you most likely have a hardware issue.
Basic troubleshooting steps
17" 2.2GHz i7 Quad-Core MacBook Pro  8G RAM  750G HD + OCZ Vertex 3 SSD Boot HD 
Got problems with your Apple iDevice-like iPhone, iPad or iPod touch? Try Troubleshooting 101
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How can I troubleshoot my iphone5 if it got stocked searching for my carrie?. I already tried removing the SIM card but it doesnt stop searching. I also tried using other SIM but still same result.

Try this: press F10 or tap the Alt key to display the menu bar temporarily, then
View > Toolbars > Menu Bar
If that doesn't work, you could reset your toolbars to factory default using Firefox's Safe Mode. First, make a backup of your computer for safekeeping. To back up Firefox, see [https://support.mozilla.com/en-US/kb/Backing+up+your+information Backing up your information].
Next, start Firefox in Firefox
[http://support.mozilla.com/kb/Safe+Mode Safe Mode], and check only the box to reset toolbars. Be careful not to "reset" anything else if you didn't back up.
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How can i fix the itunes connection problem, how can i fix the itunes connection problem, how can i fix the itunes connection problem

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Hey daks11012,
I'd go through the troubleshooting steps in the following article, which will help solve iTunes store connection issues:
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http://support.apple.com/kb/TS1368
Regards,
Delgadoh

HT201210 I m having problems with both my iphone 3gs and 4 when my cellular data is on and my battery is fully charge but out of suddenn it will shut off can i know how can i troubleshoot this issue thanks

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simply try doing a back up and restore
when going thru the activation screen, select SET UP AS NEW and then test your device. if it is not shutting down then it could be 1 or more apps tht have been downloaded wch could be affecting the device
you will then need to follow the process of eleimnation, meaning add 2 apps and then monitor your phone, if nothing happes then add another couple of them and then check
good luck !!

My Mac pro tower has an "ATI Radion hd 2600 XT" video card, and it stopped getting signal to my tv, are there common problems known? How can I troubleshoot this problem when the signal isn't reaching the screen?

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Hi there Rlong50,
You may want to try force closing all open apps and resetting the device as an initial troubleshooting step. Take a look at the articles below for more information.
iOS: Force an app to close
http://support.apple.com/kb/ht5137
iPhone, iPad, iPod touch: Turning off and on (restarting) and resetting
http://support.apple.com/kb/ht1430
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How can i test my vpn connection?

so recently i decided to test if ver 1.3.0.3 of the quickvpn client would work better with the 1.3.0.5 rvs4000 firmware. i loaded quickvpn to an xp pro computer (freshly built, i might add) and got to work. in order to test the connection, i attempted to piggy back off an unsecured wireless network. this network is on the same ISP network as i am.
i use dynamic DNS, and the unsecured wireless network could resolve my IP correctly, but for some reason i couldnt connect to my home network from the unsecured network. my router is set to respond to lan requests, but i couldnt ping it. my router passes HTTP traffic to a computer in my network, but i couldnt bring up the webpage. finally, my router responds with the router config page over port 443, and i couldnt bring that up.
so i used my ISP's dialup service to test. initially, as always, i had a million problems with the vpn client. systematically, i tried to resolve the issues. i installed the patch in the readme for quickvpn. i checked log files to see where stuff was failing. eventually, i could connect to the VPN, but would get that "remote gateway is not responding" crap. i know of a (poor) workaround for this which allows you to "finalize" the connection, but that workaround doesnt allow you to ping around in your network. sometime later, after randomly messing with settings, the tunnel would connect without the workaround. i have no idea what "fixed" this.
despite all this, my 28.8Kbps connection wouldnt allow me to do anything meaningful on my network. i couldnt connect to the router or to a server of mine (http or fileshare). the only thing i could do was ping internal devices. other requests seemed to "hang" rather than timeout or do anything more concrete. basically, i gave up on testing using dialup, even though my router and the client software confirm a good connection. but i still wasnt convinced.
next, i figured i could create some type of "DMZ" on my network by placing a switch between my ISP's modem and my router. im not a cisco network professional by any means, but im pretty familiar with networking on a above-average level. that said, despite my best, i couldnt get my quickvpn computer to see my router from the "DMZ".
finally, i figured i could just test the tunnel while directly connected to my network's lan. bad idea. everything seems to go okay until it locks up on "activating policy". rebooting or otherwise ending the negotiation ends in the computer being unable to do anything anymore. when i try to ping anything, i get "negotiating ip security" ad infinitum. the only way i could fix this was by doing a system restore.
so here's the question: how can i test my quickvpn connection?why can't i just tunnel through my network? and before you scream that you can't, thegreenbow vpn client has NO PROBLEM connecting to my rvs4000 while connected to my own network.

Hi Aaron,
I am going exactly the same thing as you however, I had my cousin buy and install a RVS4000 at his house in Australia.
I access it from the USA so that I can help manage his Local Area Network, he is just not technical..
I setup a DDNS client on his RVS4000 so that I can always get to his Router via a domain name rather than a IP address.
I noticed that you didn't mention anything regarding importing client certificate into the directory of the VPN client on your PC.
I also noticed I disabled IPSec passthrough on the router in Australia, see the pictures below, not sure why, but the VPN client is working.
I also did not setup any gateway to gateway VPN tunnels, Only added a client , exported certificate as per the manual, See the last screen capture below.
You will also note if you view the screen captures that my cousins RVS4000 has not been upgraded to the new code.Is there a reason for that...not really...he's just a user, not really technical. Also note I have not added any VPN tunnels on my RVS4000.
I have a reasonably reliable connection between the USA and Australia. I didn;t have to play with any other options, just add users to the VPN client database.
Your description of the working environment of your PC is missing details on the version of XP, so i will mention the following taken from the software release notes of the RVS4000 ;
There is a known issue with Windows XP SP2 Firewall.
ICMP packets are always dropped by the firewall when the firewall is enabled.
This issue causes the QuickVPN client to be unable to establish a tunnel with the remote QuickVPN server successfully.
Microsoft has released a patch to fix this issue, which you can get from:
http://support.microsoft.com/kb/889527/en-us
After you install the patch, the issue should be resolved. You can also fix this issue by upgrading Windows XP to SP3.
You cannot plug a PC on the same network as the router for testing, they must be on dissimilar WAN networks for testing purposes.
Your remote PC VPN client will not be allocated a IP address in the RVS4000's network, hosts behind the RVS4000 will still respond to pings, as they direct the responses to their default gateway, the RVS4000.
The thegreenbow VPN client is a distracter at this point costing 50 something EURO for a license, lets try to get the quickVPN client working !
So, if you still wish try the following, firstly make sure your XP has been upgraded to SP3;
1. If you upgraded your router to the new version of code, then reset your router to factory defaults to re-initialize your router, yes start again.
2. Export the VPN client certificate to the directory that contains the VPN client. In my case it is;
"C:\Program Files\Cisco Small Business\QuickVPN Client"
3. add a VPN client account to the router
4. Use port 60443 from the quickVPN client. and try VPNing to the router.
5 hmmm, if the client still fails try disabling IPSec Passthrough on the router for grins and giggles.
If this fails, call the SBSC at the following location for resolution;
http://www.cisco.com/en/US/support/tsd_cisco_small_business_support_center_contacts.html
good luck ...regards Dave

How can i fix my wifi connection with my router

how can i fix my wifi connection with my router?

I think I'm having a similar problem, my wifi disconnects when a bluetooth device is connected to the MBA.
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I experienced the same problem at home and at the office.
Additional test:
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How to solve Oracle SQL Developer connection problem ?

Folks,
Hello. I am using Oracle Database 11gR1. The Database Control Console https://localhost.localdomain:1158/em works correctly. I can create a Database and a table successfully.
My OS is Linux and connects to internet successfully.
In order to run SQL statements. we need to use Oracle SQL Developer. I connect Oracle SQL Developer in the following way:
Connection Name: DB1 (this is my database name as well)
Username: SYS (this is the user name I used to login to the Console)
Password: SYS (this the password used to login to the Console)
Connection Type: Basic
Host Name: localhost
Port: 1158
SID: DB1 (this is created during installing the Database)
But the error message comes up: "Status: Failure - IO exception Connection Reset."
Can any folk tell me how to solve Oracle SQL Developer connection problem ?

user8860348 wrote:
Folks,
Hello. I am using Oracle Database 11gR1. The Database Control Console https://localhost.localdomain:1158/em works correctly. I can create a Database and a table successfully.
My OS is Linux and connects to internet successfully.
In order to run SQL statements. we need to use Oracle SQL Developer. I connect Oracle SQL Developer in the following way:
Connection Name: DB1 (this is my database name as well)
Username: SYS (this is the user name I used to login to the Console)
Password: SYS (this the password used to login to the Console)
Connection Type: Basic
Host Name: localhost
Port: 1158
SID: DB1 (this is created during installing the Database)
But the error message comes up: "Status: Failure - IO exception Connection Reset."
Can any folk tell me how to solve Oracle SQL Developer connection problem ?username: sys
password: enter_your_correct_password given at the time of oracle installation
role: select sysdba if you would connect as sysdba else select normal for users other than sys
hostname: enter your oracle server hostname or ip address eg:- 192.168.11.12
to find the hostname open terminal/command prompt in oracle installed machine
type ---> hostname
type ---->ping hostname
you can find the ipaddress of the server
port number: 1521 (default) ----> i guess , else check the port number in the tnsnames.ora file under your ORACLE_HOME/network/admin folder
SID: DB1
try it
Good Luck

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cn.Open()
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rs.CursorType = ADODB.CursorTypeEnum.adOpenStatic
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Public Class McheckpaymentNew
Private cn As New ADODB.Connection
Private rs As New ADODB.Recordset
Private Sub McheckpaymentNew_Load(sender As Object, e As EventArgs) Handles MyBase.Load
Try
cn.ConnectionString = "DSN=database; UID=user; PWD=password"
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rs.CursorType = ADODB.CursorTypeEnum.adOpenStatic
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How can I get an automatic connection to wifi on startup?

We lost internet connection during snow/ice storm. I have to manually connect to wifi now. How can I get an automatic connection to wifi?

An 'uninterruptible power supply' that automatically steps in and takes your computer
off the grid momentarily, will work in cases of brown-out (under-power) & surge (spike)
and it does so at a fast rate. Most of these also offer a way to customize sensitivity to
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An old-school surge protector, even if it has a few fancy LEDs, is no protection. And
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is a fairly good investment. Backup battery is user-replaceable in the better made units.
Most of them offer extra ports that do not use the battery-backup power feature. If you
need to have more items run when the power switches up/down or out, you'd need to
consider a larger capacity backup power unit. In some instances, the makers of these
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room when the same leg may have inadequate grounding, since these can dump the
excess surge power from several different UPS units and overload the ground.
That said, the gamble is yours. I've found to have and use these is some protection
and when away from the computer. Most settings for controlling them appear in OS X.
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How can I troubleshoot wi fi connection problems?

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