Thursday, May 7, 2015

Dell Vostro 3500 loses/lost WiFi-connection / drops out of WLAN and does not re-connect because of overheating

After being on for a few hours, my wifes' laptop lost WiFi Connection and direfused to reconnect. Leaving it off for some time then, WiFi was working fine again.

How-I-fixed.-it:
Monitoring the problem for a few days I recognized that the downside of the laptop was very warm at the time it lost WLAN connection. I remembered having troube with this system in the past due to overheating because of a dusty fan assembly, as described in a previous post: http://how-i-fixed-it.blogspot.de/2013/05/laptop-dell-vostro-3500-turns-itself.html

I disassembled the system and found the heat exchanger filled with dust. I cleaned the whole fan assembly and since the system is much cooler now, also the WiFi is stable.

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