okito
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14" Dell Latitude E6440 Owner's Lounge
okito replied to Tech Inferno Fan's topic in Dell Latitude, Vostro, and Precision
Hello Friends, I have problem with my E6440. I`m DJing in Bulgaria. I have high DPC Latency while changing screen brightness with the keyboard shortcut (FN + up or down). The latency is more than 10 000 mikroseconds. So i have tried with older intel gpu driver or without driver too - there is no difference. Without GPU driver the latency is here by pushing the brightness keys, but brightness stays same without change. This is strange. There is latency by using the wireless but i will change the wifi card. This was the solution with my dell E6510.