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Windows 7: Default Gateway Not Available


12 Nov 2010   #1

Windows 7 Professional 32bit
 
 
Default Gateway Not Available

Hi there,
I just did a clean install of Windows 7 from WinXP 4-5 days ago. In 2+ years of owning this computer I've never had internet problems, but now I've been having this disconnecting issue that's the same as other people's with different setups. I have a Realtek PCIe GBE NIC. I saw a few posts about this default gateway issue, but the majority of people I saw having this same issue were using an Nvidia Nforce driver or something of the like.

I was having this issue with the default windows 7 driver, and 'updated' it to the realtek drivers, and am still having the same issues. XP used to tell me the exact model of my NIC, Windows 7 doesn't, but it seems that the drivers from realtek are fairly generic anyway: Realtek
That one, obviously for windows 7, is the one I installed before trying anything else.


Here's a post I tried troubleshooting from. default gateway not available in windows 7
I'm having the exact same problem as those people, but nothing there really seemed to address my issue.

Here's another one that was closer to mine "the default gateway is not available"

I tried assigning a static IP to the IPv4 as someone suggested, and I didn't disconnect for a long while, but when I loaded ventrilo to talk to a friend while playing a game I disconnected and had an entirely different issue that's hard to explain... Network wasn't recognized at all, and each time I tried to make a new one it'd say it was unavailable. I'm not even sure what I eventually did to get back online I went back to automatic assignment. It seems that my disconnections happen when I'm using lots of bandwidth. Downloading SCII / WoW at the same time, or playing AoC, logging on ventrilo, loading many browser pages.

I tried changing the speed/duplex as well to half/full as someone else suggested, that didn't seem to change anything.

The last thing I wanted to try but honestly have *no* idea about how to do is to update my chipset drivers. I'm not sure if the person posting resolved it by doing so, but they stopped replying, and that's usually a good sign...no?
My motherboard is an Asus M3A78-CM.

Aside from my disconnecting issue, I believe my network is somehow hindered and causing choppiness in ventrilo as well.

I did a speed test...
It's probably not even useful, but there it is!

Any suggestions you folks have would be valued enormously.

My System SpecsSystem Spec
.

12 Nov 2010   #2

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by Kerrybiantulip View Post
Hi there,
I just did a clean install of Windows 7 from WinXP 4-5 days ago. In 2+ years of owning this computer I've never had internet problems, but now I've been having this disconnecting issue that's the same as other people's with different setups. I have a Realtek PCIe GBE NIC. I saw a few posts about this default gateway issue, but the majority of people I saw having this same issue were using an Nvidia Nforce driver or something of the like.

I was having this issue with the default windows 7 driver, and 'updated' it to the realtek drivers, and am still having the same issues. XP used to tell me the exact model of my NIC, Windows 7 doesn't, but it seems that the drivers from realtek are fairly generic anyway: Realtek
That one, obviously for windows 7, is the one I installed before trying anything else.


Here's a post I tried troubleshooting from. default gateway not available in windows 7
I'm having the exact same problem as those people, but nothing there really seemed to address my issue.

Here's another one that was closer to mine "the default gateway is not available"

I tried assigning a static IP to the IPv4 as someone suggested, and I didn't disconnect for a long while, but when I loaded ventrilo to talk to a friend while playing a game I disconnected and had an entirely different issue that's hard to explain... Network wasn't recognized at all, and each time I tried to make a new one it'd say it was unavailable. I'm not even sure what I eventually did to get back online I went back to automatic assignment. It seems that my disconnections happen when I'm using lots of bandwidth. Downloading SCII / WoW at the same time, or playing AoC, logging on ventrilo, loading many browser pages.

I tried changing the speed/duplex as well to half/full as someone else suggested, that didn't seem to change anything.

The last thing I wanted to try but honestly have *no* idea about how to do is to update my chipset drivers. I'm not sure if the person posting resolved it by doing so, but they stopped replying, and that's usually a good sign...no?
My motherboard is an Asus M3A78-CM.

Aside from my disconnecting issue, I believe my network is somehow hindered and causing choppiness in ventrilo as well.

I did a speed test...
It's probably not even useful, but there it is!

Any suggestions you folks have would be valued enormously.

It is probably not bandwidth but latency. download and run this and let us know the results. DPC Latency Checker


Ken J
My System SpecsSystem Spec
12 Nov 2010   #3

Windows 7 Professional 32bit
 
 

Morning,

Are you looking for when it disconnects? It's running smoothly right now except for one spike I saw within the past 10-20mins. Here is a capture of its one spike.

Uploaded with ImageShack.us
My System SpecsSystem Spec
.


14 Nov 2010   #4

Windows 7 Professional 32bit
 
 
Newest Pic!

I went afk for a while and left the program you asked me to run ...erm..running..

Here's what it says now.


Uploaded with ImageShack.us


I always just assumed that it might be the NiC driver, but after uninstalling/reinstalling the standard windows driver and Realtek one, maybe it's something else?

I did disconnect once today to the default gateway not being available, but I wasn't running DPC Lat at the time, unforunately. It happened during DLing of WoW.

I have been having issues finding the proper driver for my video card. It's not in the list of ATI drivers, and there's something about having to use vista drivers in windows 7 ..bleh. My friend and I knocking our heads together couldn't dig up the right windows 7 driver for my ati radeon x1950 pro card. It also installs the regular 'display adapter' in device manager, then installs two strangely named 'other devices' whos properties tell me it's my gfx card. Could that be causing the issue? Should I post on the driver forum instead maybe?
My System SpecsSystem Spec
14 Nov 2010   #5

Windows 7 Ult, Windows 8.1 Pro,
 
 

Because you seem to be having a problem getting the default gateway, it could easily be a problem with your router or the routers firmware. Have you tried to update the firmware on your router yet?

Can you please post a screen shot of your ipconfig /all here like the picture below shows.


Attached Thumbnails
Default Gateway Not Available-ipconfig-all.png  
My System SpecsSystem Spec
14 Nov 2010   #6

Windows 7 Professional 32bit
 
 

I did actually try upgrading my router firmware yesterday. It already had the most recent firmware but I tried installing the same one anyway.

Here's my ipconfig snip.


Attached Images
 
My System SpecsSystem Spec
14 Nov 2010   #7

Windows 7 Ult, Windows 8.1 Pro,
 
 

Quote   Quote: Originally Posted by Kerrybiantulip View Post
I did actually try upgrading my router firmware yesterday. It already had the most recent firmware but I tried installing the same one anyway.

Here's my ipconfig snip.
I'm sorry, I meant to post my ipconfig /all which shows more information. That last one is just ipconfig. I updated the screen shot to show what I need it to be.

Do you have iTunes or Adobe photo suite installed on this machine?
My System SpecsSystem Spec
14 Nov 2010   #8

Windows 7 Professional 32bit
 
 

Sorry, my misunderstanding. I don't have either Itunes or Adobe photo shop suite installed.

Here's the requested shot

Also, to add to the DCP program which is still running, the only change is that the absolute maximum is now 1191633576. Which...I think....is bad...no? (This tidbit is for Zigzag)


Attached Images
 
My System SpecsSystem Spec
14 Nov 2010   #9

Windows® 8 Pro (64-bit)
 
 

Check in device manager if the network drivers are installed. Generally, default gateway wont show up when the network drivers are not installed.
My System SpecsSystem Spec
14 Nov 2010   #10

Windows 7 Professional 32bit
 
 

You mean the Network adapter drivers? I installed the default windows one when I installed windows 7. Having the gateway issue, I installed Realtek ones for my NIC. Then I went back to the windows 7 driver after having the same issues.

Tried uninstalling the windows 7 one and installing Realtek again, both drivers are giving me the same problems. The only device I seem to have driver issues with is my video card.

The gateway issue pops up a caution symbol on my network. When I open the network and sharing center, the caution symbol is on the line between my PC and my network. I click on it, it cycles through methods of 'fixing it' and fixes it. My next step is to just try for 3-4 days without the router to see if it still occurs. I can't imagine why it'd be broken, considering I didn't touch it at all when installing Windows 7.

Thanks for all your attempted assistance so far, people.
My System SpecsSystem Spec
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 Default Gateway Not Available




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