Unable to connect after modem and router restart

Hi Everybody
Some times i don't get any internet connection from my cable modem (Motorola 5100 surfboard). In such cases, Time Warner cable recommends restarting the modem. I am connected to the internet in the following sequence:
Cable Modem --> Router --> PC
The way it should work:
Switch off the router
Switch off the cable modem
Restart the cable modem (all the lights should be on)
Restart the router
Connected to the Internet!
However, things don't work this way. If I connect the PC to the cable modem directly after the modem restart, I am able to get online
If I try to connect with the router in the middle, I get no connection. Usually, I have to follow this sequence (instead of the one above):
Switch off the cable modem
Re-set the Linksys router (loose all my settings)
Switch off the router
Restart the cable modem (all the lights should be on)
Restart the router
Connected to the Internet!
Re-configure the router manually to get back my previous settings
Need your help to figure out why a simple re-start of the modem and router (in that sequence) doesn't work and I have to re-set the router to get on-line
One more thing - I backed up my router configuration (Administration --> Config Management --> Backup) and after getting online, restored it. Thought It would work, but no luck. Couldn't connect via the router. Had to follow the above sequence (again) to get online and then manually had to re-configure all router settings
Rourter - WRT54G. Version 2
Firmware version - v4.21.1
Any help is greatly appreciated. Thanks

Step should be :
1) Shutdown the computer.
2) Unplug the Broadband modem’s power cable and wait for 30 seconds.
3) Unplug the router’s power cable and wait for 30 seconds.
4) Plug in the Broadband modem’s power cable and wait for its lights to appear stable.
5) Plug in the router's power cable once the modem’s lights appear stable.
6) Power on the computer on and test the Internet connection.

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My ipad2 is unable to find wireless network(s). while at home I am able to connect my MacBook and iPhone to network but am unable to connect iPad. I have restarted the device multiple times and even reset the network and all settings but still no luck

my ipad2 is unable to find wireless network(s). while at home I am able to connect my MacBook and iPhone to network but am unable to connect iPad. I have restarted the device multiple times and even reset the network and all settings but still no luck

Look at iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
iPad: Issues connecting to Wi-Fi networks http://support.apple.com/kb/ts3304
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
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Try this first. Turn Off your iPad. Then turn Off (disconnect power cord) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
Go to Settings>Wi-Fi and turn Off. Then while at Settings>Wi-Fi, turn back On and chose a Network.
Change the channel on your wireless router. Instructions at http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html
Another thing to try - Go into your router security settings and change from WEP to WPA with AES.
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
If none of the above suggestions work, look at this link.
iPad Wi-Fi Problems: Comprehensive List of Fixes
http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
Fix iPad Wifi Connection and Signal Issues http://www.youtube.com/watch?v=uwWtIG5jUxE
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

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I would like to change my broadband to Infinity but need to know a few things before doing so. The main OpenReach socket (the one with a removable lower section) is above the front door fanlight. From this box I have two wires (extensions) coming out from behind (nothing is plugged into the front), one, about 3-4 metres in length goes straight through the ceiling into the above bedroom to the router (Voyager 2500V). The other one goes to the sitting room and is a longer cable. I have also done away with the ‘bell wire’ so only two wires exist in both connections.
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Jonny
Thank you for your reply. I don’t want to sign up and ask an engineer when he arrives, I want to know before signing up.
Also, I’m not familiar with your terms, e.g. terminated phone cable, but I won’t ask you to explain them. To me there are three types of cable, a two-wire cable that runs from the master socket to a wall point, a telephone cable that plugs into a wall socket and an Ethernet cable that runs from the computer to the router. Are other types utilised by Infinity?
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The wire from the rear of the master plug terminates as an extension in the bedroom where the micro filter and router plug in. It’s not used for a telephone, just the router. Can’t the new modem plug into this? Power points are not a problem in the bedroom.
I installed the cable about two years ago after acquiring a new type main box (the previous on worked but I was told this was better), at the same time I used just two of the 4 or 6 wires in both my extensions. The previous 40 year-old extension ran all around the hall skirting board, up the side of the stairs, around the landing to a bedroom. It had been painted many times and was almost brittle, that’s why I decided to go through the ceiling, under the floor boards and up to make a socket on the skirting board. It’s only a few metres long and I can easily take the carpet up, remove a floorboard and change the extension wire to any other kind of wire, e.g. an Ethernet cable.

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