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Using Vista 64, onboard lan.
I reinstalled the driver.
Sometimes after startup I lose the internet connection.
I have to run network diagnostics and have to "reset network adapter local area connection".
This repairs it.
Any idea why this is happening?
Hardware problem or software.
it could be anything from malware to a hardware fault
Some system details would be useful - what network card of it's onboard, what motherboard.
Are you connected to a router?
Have you got sp1 loaded?
The mobo is an Intel DG33SXG2 with the LAN onboard.
Vista 64 sp1
Its connected to a router. I never had this problems with any of the other computers on this router.
I've been running antivirus and spyware.
Which Gateway model please?
Fx7026
download from here the chipset driver and install it. Reboot and download the lan driver and install it. Then check in device manager that the computer is not allowed to turn off the lan to save power.
Device manager did have the box checked to save power on the lan.
Could that cause it to shut down the lan on startup?
yes, it might not wake the lan up properly
If I uncheck the power saving box its worse.
When it does have a problem, which it does get more frequently, network diagnostics cant diagnose the problem at all. I have to set it back to checked.
I haven't tried reinstalling the chipset drivers yet, but I have reinstalled the net work driver before.
you need to do the chipset drivers then the network driver afterwards
I installed the chipset drivers and the network driver.
Same problems.
I also noticed that when that checkbox is unchecked and I use sleep to power down the computer it always loses the network connection when it wakes, and network diagnostics cant repair it.
The box has to be left checked.
Do you think its a hardware problem or can I check anything else?
Right, you don't mean on start up at all do you? You mean you send the machine to sleep and the network connection doesn't wake up properly after sleeping.
That's a different problem altogether!! There is a recent bios update at Gateway, but it doesn't say what it fixes, but there is a good chance it will help.
There are two different ways the problem shows up.
On an actual shut down / startup it sometimes loses the network adapter and network diagnostics fixes it.
When the power managment for the lan is unchecked and it is put to sleep it never restarts the network adapter. Network diagnostics can't diagnose the problem so I have to set it back to checked and restart.
It has the latest bios.
Power management was already set to never turn off the computer.
Where to I find the settings S1, S2 S3...?
Under lan the only choices are enable or disable.
S1 S2 and S3 are sleep states and are set in the bios but there is a windows tool to set them as well here yes I know it says for media center, but it works just fine with vista.
ACPI suspend state was set to S3.
I tried it with S1 ( the only other choice ).
Same problems.
I also noticed that S1 does not turn off the fans in sleep mode.
S3 does turn off the fans.
Then the network driver is the problem. You need to contact Gateway.
They already agreed to repair it.
I wanted to understand what else could be affecting it.
I was worried one of these solutions may have worked. :)
It is affected by many things, not least of which is how each manufacturer applies the standards to make it work. You have Vista, The Bios and The Driver all having to interact to get it right. Unless they decide to tell you, I am afraid you are just going to have to accept that you may never know.