Plugging into a switch disables my entire network

I scheduled an appointment with ATT&T to have someone come out and take a look this weekend. In the meantime, I'm going to be trying a number of things to see if I can resolve it on my own. I'll keep you posted.
 

My Computer My Computer

At a glance

Windows 7 Ultimate 64Intel Core i7 2600KPatriot Gamer 2 8GB (2x4GB) DDR3 1333MSI GeForce GTX 570
OS
Windows 7 Ultimate 64
CPU
Intel Core i7 2600K
Motherboard
MSI P67A-GD65
Memory
Patriot Gamer 2 8GB (2x4GB) DDR3 1333
Graphics Card(s)
MSI GeForce GTX 570
Sound Card
Creative Sound Blaster X-Fi Titanium
Monitor(s) Displays
Dell 2707WFP
Screen Resolution
1920x1200
Hard Drives
Hitachi Desktar 2TB 7200 RPM SATA 6.0 x 2
PSU
Corsair AX1200
Case
Cooler Master HAF X
Keyboard
Logitech G15
Mouse
Logitech MX518
Here is a true story:

I'll use Time Warner for example....

You can have your own router at the house. Anything behind that router... Cable modem and behind they will touch... they don't have to touch your router and afterwards. Not in the contract.

If you purchase a wireless router from them that you pay an extra $4 a month to lease from them, then they will touch that and nothing beyond that...

Just for heads up... don't expect miracles from your ISP
 

My Computer My Computer

At a glance

Windows 7 Ultimate x64AMD Phenom x6 1045t8 GBATI Radeon HD 5570
Computer Manufacturer/Model Number
HP Pavilion Elite HPE-410f
OS
Windows 7 Ultimate x64
CPU
AMD Phenom x6 1045t
Motherboard
N/A
Memory
8 GB
Graphics Card(s)
ATI Radeon HD 5570
Sound Card
Realtek Highdefinition Audio / 5.1 Dolby Setup
Monitor(s) Displays
HP w2207h Widescreen
Screen Resolution
1680*1050
Hard Drives
1 TB (fixed), 320 Portable maxtor, Server Hard drives
PSU
350 Watt
Case
HP CASE
Cooling
Bass
Keyboard
Logitech MX 5500
Mouse
Logitech MX 5500
Internet Speed
ROAD RUNNER 16MB D/512 U
I have never tried plugging a computer directly into the U-Verse box via network cable but I will give that a shot when I get home from work today.
 

My Computer My Computer

At a glance

Windows 7 Ultimate 64Intel Core i7 2600KPatriot Gamer 2 8GB (2x4GB) DDR3 1333MSI GeForce GTX 570
OS
Windows 7 Ultimate 64
CPU
Intel Core i7 2600K
Motherboard
MSI P67A-GD65
Memory
Patriot Gamer 2 8GB (2x4GB) DDR3 1333
Graphics Card(s)
MSI GeForce GTX 570
Sound Card
Creative Sound Blaster X-Fi Titanium
Monitor(s) Displays
Dell 2707WFP
Screen Resolution
1920x1200
Hard Drives
Hitachi Desktar 2TB 7200 RPM SATA 6.0 x 2
PSU
Corsair AX1200
Case
Cooler Master HAF X
Keyboard
Logitech G15
Mouse
Logitech MX518
Hello friends, the problem has been resolved. It turns out that there was nothing wrong with either the switch or the U-Verse box.

The U-Verse box has 2 connections on the back: 1 RJ45 port and 1 coaxial cable port. The problem was I had them both plugged in at the same time when only ONE is supposed to be used. I disconnected the RJ45 cable and hooked up the box with just the coaxial cable and now everything is fine.

Apparently, ATT&T provides the option to use the RJ45 port for non-HD content but reserves the coaxial cable for HD content. :rolleyes:
 

My Computer My Computer

At a glance

Windows 7 Ultimate 64Intel Core i7 2600KPatriot Gamer 2 8GB (2x4GB) DDR3 1333MSI GeForce GTX 570
OS
Windows 7 Ultimate 64
CPU
Intel Core i7 2600K
Motherboard
MSI P67A-GD65
Memory
Patriot Gamer 2 8GB (2x4GB) DDR3 1333
Graphics Card(s)
MSI GeForce GTX 570
Sound Card
Creative Sound Blaster X-Fi Titanium
Monitor(s) Displays
Dell 2707WFP
Screen Resolution
1920x1200
Hard Drives
Hitachi Desktar 2TB 7200 RPM SATA 6.0 x 2
PSU
Corsair AX1200
Case
Cooler Master HAF X
Keyboard
Logitech G15
Mouse
Logitech MX518
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