camasleaf
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RE: Inspiron 3543 WiFi Lockup

I have the same issue. I have two laptops one with touch screen one without. The one with the touch screen freezes after few minutes when connected to WiFi. Came with win 8, upgraded to 10 has the same issue. Upgrade BIOS to A7 and still freezes.  I swapped hard drive, memory, wifi module, run without battery .... nothing helped. I tried the max performance setting and still does not help. In my mind it cannot be a driver issues since the same driver works fine in the other laptop. It seem to me that the might be interference from the WiFi card. I will try minimum power and report back

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