Satellite L40 - Wi - Fi connection after restart problem

Hello

My sister had a Toshiba Satellite L40 (PSL40E - 04501DDU) and a few days ago I installed a wireless router at home.
Wi - Fi worked within 2 minutes, but when I restarted the laptop he couldn't find any Wi - Fi networks (whereas before I restarted, I found 4).

It took me about an hour to make it work again
-Turn off/on Wi - Fi
-several reboots
-deletion of a Wi - Fi connection - configs
-switching between Vista Wi-Fi-tool and without configuration by Toshiba
-updated drivers
-etcetera...

I don't know which of them did the trick, but after going through all these actions it seemed to work again.
I thought I had conquered the problem, but only today (after only 1.5 days) my sister contacted me saying that the Wi - Fi 'fell down' again.

Does anyone know what could be the problem?

When I look in this forum I see about 1200-forum topics on the problems of Wifi on Toshiba laptops, so I guess it's a recurring problem with several models of Toshiba.
Most of the subjects also speaks a Wifi works very well and doesn't work anymore after restart/sleep/hibernation.

Laptop: PSL40E - 04501DDU
OS: Windows Vista 32-bit (latest updates + latest drivers)

(Please, no answers like: "is your DHCP on?") or "the router is compatible with the Wi - Fi device?")

Hi crazysoul,.

I understand that you don't know the answer to that, because you are not always there when the Wi - Fi fails, but if the laptop is not looking upwards * all * networks, the same as before?

What WLAN driver version is installed on this laptop? The most recent is 7.6.0.164.1, it can be interesting to update. Also, forgive me if you already checked, but under network adapters Device Manager, find the device wireless and in the Properties window, if there is a power management make tab you unchecked the checkbox to turn off the device to save power.

Tags: Toshiba

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