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Can't connect to wireless after sleep


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#1
lizgold

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I am having trouble connecting to the wireless network after waking up from sleep. The wireless adapter can "see" the network but can't connect to it. The weird thing is that this is happening not only on my Toshiba laptop but also on an iPod Touch 4G.

It's a Netgear WGT624v3 802.11g router. After having some problems with Win 7 on both laptop & a desktop, I did a firmware upgrade on the router. I thought I kept the settings the same, but maybe something changed, because the iPod is now having problems re-connecting, too.

I've updated all drivers on the Toshiba laptop (Portege R836-P56X, running Win 7). Downloaded drivers directly from Intel for the wireless adapter (Intel Link 100 BGN). Also changed power management on the wireless adapter so it always has power.

Have tried various settings on the router itself. Current settings:
  • SSID is being broadcast
  • Channel: 11
  • Mode: g & b
  • Security: WPA2-PSK [AES] (I've also tried WPA and both WPA & WPA2)
  • Router is assigning IP addresses (DHCP server)

I'm wondering if it is an IP addressing problem--that the router thinks these 2 devices are already still connected, so it won't let them connect again?

I'm really baffled that this issue has spread to the iPod. The same router was working fine with the iPod before.

Thanks!
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#2
phillipcorcoran

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"Downloaded drivers directly from Intel for the wireless adapter"

This is not recommended. For laptops and brand-name desktops, you should download internal device drivers only from the laptop or PC manufacturer.
Why? - because laptop and brand-name PC internal hardware is custom-made for that particular manufacturer, and only they have the matching drivers.
Uninstall the driver from Intel, then download & install the correct driver from the Toshiba website.
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#3
lizgold

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OK, the iPod is now working, so now it's just the wireless.

If I go onto the router configuration (on my desktop), under Attached Devices, it does not list the laptop. If I hit Refresh, the laptop comes up and it fixes the problem.

Any way to force this from the newly-awakened laptop?

Edited by lizgold, 22 November 2011 - 06:48 PM.

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#4
lizgold

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Sorry--I somehow missed Philip's post when I added that last comment.

Will go try it...
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#5
Troy

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"Downloaded drivers directly from Intel for the wireless adapter"

This is not recommended. For laptops and brand-name desktops, you should download internal device drivers only from the laptop or PC manufacturer.
Why? - because laptop and brand-name PC internal hardware is custom-made for that particular manufacturer, and only they have the matching drivers.
Uninstall the driver from Intel, then download & install the correct driver from the Toshiba website.


I'm going to have to disagree with you here.


I do this all the time; there's no problem with it. If the device is an Intel wireless card then the Intel driver for it will work fine. Also usually I find the hardware is the same across manufacturers, i.e. Intel wireless card 5100 in HP, Toshiba, Acer laptops etc. So I wouldn't suspect it to be custom made at all.

Lastly you wouldn't get the updated drivers - case in point: I have the HP Mini 110 with a Ralink wireless card inside. The HP driver is dated about 1.5 years ago and is buggy (drops out often and poor signal range). But when I updated it to the latest driver direct from Ralink website, no dropouts and much better range!

Cheers
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#6
lizgold

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The plot thickens...

I reinstalled the Toshiba driver, but it made no difference. AND the iPod is still having problems, too.

I've continued to research the problem across the web. This forum was VERY helpful.

The suggestion is that the problem is with the Homegroup on Windows 7, which "listens" on the wireless to any changes on other computers within the Homegroup. So I disabled the Homegroup (and its services) on both Win 7 computers: the wired desktop and the wireless laptop. This seemed at first to help, but the problem resurfaced.

However, the forum above did suggest that the problem is somehow caused by the wired Windows 7 computer. So I turned off the wired computer entirely, and Voila! it solved the problem.

Of course, this is not really a solution!

I hoping there is a geek out there who can use this information to help me....

I'm going to try disabling IPv6 on the wired computer's network adapter.

Edited by lizgold, 27 November 2011 - 02:24 PM.

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#7
lizgold

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Didn't work.

Sigh.
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