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Posted by Margaret Wilson on February 19, 2006, 8:55 pm
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I have a Dell Latitude X300 that has an integrated Broadcom 570x
integrated gigabit NIC. I recently upgraded the driver and Windows
Updates only to find that the best my gigabit NIC can do is 100/full
duplex. If I set it to Auto, my switch detects it as 100M. The old
"1000FD" option in the NIC's configuration utility is gone.
Interestingly enough, a friend has the same laptop, recently did the
same upgrades and is experiencing the same problem.
Has anyone else experienced this? Any idea how to remedy the situation?
I tried several older drivers, including an even newer one from
Broadcom's site, but the problem persists. Dell says they've never
heard of such a problem and essentially washed their hands of the
problem. Still, I've managed to verify the problem on a second,
identical machine. BTW, both are running WinXP Pro SP2 with the latest
updates. On mine, I'm running NOD32 antivirus, while my friend's is
running Norton AV 2005. Otherwise, both are just running basic Office
apps and a few diagnostic utils, as they are not used as primary machines.
Thanks and Regards,
Margaret
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Posted by Steve Mackie on February 19, 2006, 9:28 pm
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>I have a Dell Latitude X300 that has an integrated Broadcom 570x integrated
>gigabit NIC. I recently upgraded the driver and Windows Updates only to
>find that the best my gigabit NIC can do is 100/full
You just learned rule #1. Never use Windows Update for driver updates, go
directly to the manufacturer.
You have a few options now:
1. Get the latest drivers from the Dell website and install them.
2. Revert back to the previous drivers.
3. Do a "System Restore" in Windows back to before you did the update.
Good luck,
Steve
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Posted by Margaret Wilson on February 19, 2006, 10:34 pm
Please log in for more thread options Steve Mackie wrote:
>> I have a Dell Latitude X300 that has an integrated Broadcom 570x integrated
>> gigabit NIC. I recently upgraded the driver and Windows Updates only to
>> find that the best my gigabit NIC can do is 100/full
>
> You just learned rule #1. Never use Windows Update for driver updates, go
> directly to the manufacturer.
>
> You have a few options now:
> 1. Get the latest drivers from the Dell website and install them.
> 2. Revert back to the previous drivers.
> 3. Do a "System Restore" in Windows back to before you did the update.
>
> Good luck,
>
> Steve
I manually updated the NIC drivers by downloading the latest driver from
the Dell support site using the service tag. I *never* download drivers
from Windows Updates. Sorry if I wasn't clear. I did install the
latest windows critical updates shortly after doing the NIC driver
update, however. As I said, I even tried a still newer driver directly
from the Broadcom site. But.... I just created an image of the laptop's
hard disk using Acronis True Image, booting from the CD (and storing the
image on another machine on my LAN). Interestingly enough, my switch
(and NetPerSec on my main machine) tell me that the connection is 100M.
I've tried two different known-good cables, one CAT5e, the other CAT6,
even though I don't believe this is a cable issue. (Still I get a 100M
connection.) I have two other machines running gig ethernet quite
happily, so I just booted one with the Acronis boot CD, and sure enough,
that machine boots at 100M too. So clearly the drivers on the Acronis
CD are limited to 100M. I was hoping that this recovery environment
could handle 1G, as that would be a good test of whether my laptop's NIC
is having trouble, of if it's a driver issue. Guess I'll restore that
old, old image and see if the driver runs at 1G again. If not, I can
always restore the image I just made.
Anyway, I was hoping to hear from someone who'd experienced this problem
... and resolved it. Anyway, now that you know I *did not* download
drivers from Windows Update, do you have any other ideas?
Regards,
Margaret
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Posted by Steve Mackie on February 20, 2006, 6:14 am
Please log in for more thread options > Anyway, I was hoping to hear from someone who'd experienced this problem
> ... and resolved it. Anyway, now that you know I *did not* download
> drivers from Windows Update, do you have any other ideas?
Once I read it again it was perfectly clear. ;)
I have zero experience with gigabit ethernet. All I can say is to restore to
before the trouble began and see if it works. I'm also curious if you
uninstalled the NIC and reinstalled it or if you just changed the drivers.
Sometimes uninstalling and reinstalling fixes problems.
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Posted by Margaret Wilson on February 20, 2006, 1:09 pm
Please log in for more thread options Steve Mackie wrote:
>> Anyway, I was hoping to hear from someone who'd experienced this problem
>> ... and resolved it. Anyway, now that you know I *did not* download
>> drivers from Windows Update, do you have any other ideas?
>
> Once I read it again it was perfectly clear. ;)
>
> I have zero experience with gigabit ethernet. All I can say is to restore to
> before the trouble began and see if it works. I'm also curious if you
> uninstalled the NIC and reinstalled it or if you just changed the drivers.
> Sometimes uninstalling and reinstalling fixes problems.
No, I uninstalled and reinstalled several times, it made no difference.
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