I have a Satellite A205-55804 and theres something wrong with 6T04 Network adapter. It was working just fine this morning but now its not. Okay so when i log on to the internet you know the little icon in the system tray thats has 2 computers and has a red X in front of them when you're not connected to the internet, well mine remains like that when connect to the internet(i have a dial-up connection). Now i can log on to the interent and browse and what-not but my icon remains the same and doesn't show the blue icon it usually does when i connect to the interenet. Now I know its up to date cause I already ran a search for updates on it, and I ran a network diagnostics and it says there nothing wrong with my network. Also when i put my mouse on the icon this is what it says "Connection Status Unkown" then under it it says "The dependency service or group failed to start". So I have went to my control panel and went to my device manager and there i saw under my network adapters drop down a whole line of 6T04 adapters with the error icon in front of it you know the yellow caution symbol with the exclamation point and when i double click on it to check the device status this is what it says: "This device is not working properly because Windows cannot load the drivers required for this device. (Code 31)"
and under that :
"Click 'Check for solutions' to send data about this device to Microsoft and to see if there is a solution available."
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The laptop shuts off when AC power adapter is plugged in. The laptop
works fine on battery power but as soon as you connect it to AC adapter,
the laptop turns off. Possible cause:
1. Power adapter failure.
2. Motherboard failure. Possible troubleshooting steps and repair solution:
First of all, test the power adapter. Make sure the adapter outputs
correct voltage. It's possible that the output voltage is not correct
and the laptop shuts down to prevent the damage. Test your laptop with
another known good power adapter. Toshiba Satellite A305 AC Adapter
If the problem still exists, even after replacing the adapter, most
likely it's the motherboard failure. Replace the motherboard.
You said laptop is working fine if just using the battery,that means that there is nothing wrong with the battery itself. Can yu please try to connect the laptop directly to the power outlet without using the battery just for the mean time,remove the battery and connect the AC adapter directly to the power outlet then power on the laptop,if nothing happens,that means that there is something wrong with the AC adapter itself or the power port on the laptop.
Hope this will help...
First remove the antivirus suites and firewalls.
Tools -> Internet Options -> Connections -> Lan Setup
Check whether "USe proxy server..." check box is checked.
If so untick it.
Apply and Ok.
If you are bot sure whether you have a proxy or not you can chose "Automatically detect settings". That will override manual configs how ever.
Alternatively you can check Connection settings of Firefox since it is working.
Check the device manager for the adapter status.
Right click on My computer and go to manage.
If it has yellow exclamation marks or red X as you said that means a device failure or driver failure.
If so you have to rollback the drivers and if it doesn't work uninstall and re install drivers. Use Add Remove programs if a software is there.
If you use a software to configure / access the network appliance (if you have one like a wireless router) un install and re install it.
Check this thread as well.
This 6to4 adapter is a IPv6-to-IPv4 conversion layer.
If you are not using IPv6 communications across IPv4 routers, you do
not need 6to4 enabled. You can disable it. What is the IP address you are using? Is it ip v 4 or 6? Check using ipconfig using a command window (cmd.exe in run box and hit enter).
Not necessary to use IPv6 (only if your college or etc etc use IPv6.
Check this thread as well.
isatap will not work on Vista but it doesn't do any harm though. :D
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That 6to4 adapter has been a problem for as long as I have been aware of it but I only have that issue when I use my print server. I don't believe the 6to4 is your actual wireless. Are you using a wireless print server?
To resolve this concern, first thing to do is to uninstall the device from device manager and then after that restart the computer and run the setup cd that came with it to reinstall the software and the device back to your computer....
Ok, first thing you need to do is, see if you network adapter is enabled ... You can do this in the Device manager. If there even is an adapter ... If there isn't download the drivers for your Ethernet card, put them on a mem stick and just install them on your Vista machine ...
Be sure that your wireless network is working Check your wireless router settings Check if you see any other wireless network available on your computer
Test connection, see if you pulled an IP address
Go to the Windows desktop Select Start then Run In the text box type: cmd (WIN98/SE type command) At the command prompt type: ipconfig 4. What does it read as the IP address? * If it reads 192.168. something dot something then you are pulling an IP address and are connected to the network. The problem is software related, check your firewall, and wireless card configuration. Also check any WPA or WEP encryption keys. Check with the respective manufactures. * If it reads 0.0.0.0 for the IP address you are not connected to the network. * Check your connection configuration and the adaptor. * Check with the respective manufactures.
STEP TWO/ Basic troubleshooting continued....Testing the adaptor
1. Go to Windows desktop 2. Select Start then Run 3. In the text box type: cmd (WIN98/SE type command) A DOS window will open. 4. At the prompt type: ping 127.0.0.1 (reserved IP address for all adaptors) 5. Check the line that reads "packets sent = 4, Received = 4, Lost = 0
A. Zero is good, the adaptor is working. Again check the connection configuration,and the adaptor configuration. It may be a power issue especially with older or less expensive computers or wireless cards. * Check the antenna location, are you inside or outside, look for interference. * Check with the respective manufactures.
B. If it reads all 4 packets lost, the adaptor is not functioning. * Check and update the drivers, Contact the respective manufactures. * If it shows any number of packets lost (you are dropping packets) it is an adaptor or signal strength issue (generally form the laptop side, not being able to reach back) especially with older or less expensive computers or wireless cards. * Update the drivers * Check antenna location, or distance from the signal * Contact the respective manufactures.