![External Display Feature on Precision M4800 with E-Port/E-Port Plus Docking Solution | Dell Kiribati External Display Feature on Precision M4800 with E-Port/E-Port Plus Docking Solution | Dell Kiribati](https://supportkb.dell.com/img/ka02R000000i1WfQAI/ka02R000000i1WfQAI_en_US_1.jpeg)
External Display Feature on Precision M4800 with E-Port/E-Port Plus Docking Solution | Dell Kiribati
![Dallas Warren on Twitter: "Attempting to use external monitor with laptop (Dell M4800). Fn+F8 shows "No External Display", finally found ref "disable Optimus in BIOS", after disappearing down rabbit hole with others. Dallas Warren on Twitter: "Attempting to use external monitor with laptop (Dell M4800). Fn+F8 shows "No External Display", finally found ref "disable Optimus in BIOS", after disappearing down rabbit hole with others.](https://pbs.twimg.com/media/Dibmb5xUEAAxfom.jpg:large)
Dallas Warren on Twitter: "Attempting to use external monitor with laptop (Dell M4800). Fn+F8 shows "No External Display", finally found ref "disable Optimus in BIOS", after disappearing down rabbit hole with others.
Solved: Precision M4800 : Input lag at log in, Switchable graphics not functioning, GPU fan "chirping" when ... - Dell Community
Solved: Precision M4800 : Input lag at log in, Switchable graphics not functioning, GPU fan "chirping" when ... - Page 5 - Dell Community
Solved: Precision M4800 : Input lag at log in, Switchable graphics not functioning, GPU fan "chirping" when ... - Dell Community
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Amazon.com: Dell M4800 15.6in FHD Ultrapowerful Mobile Workstation Business Laptop Computer, Intel Core i7-4900MQ 3.8GHz, 16GB RAM, 500GB HDD, WiFi AC, NVIDIA Quadro K2100M, Windows 10 Pro (Renewed) : Electronics
![Amazon.com: Dell M4800 15.6in FHD Ultrapowerful Mobile Workstation Business Laptop Computer, Intel Core i7-4900MQ 3.8GHz, 16GB RAM, 500GB HDD, WiFi AC, NVIDIA Quadro K2100M, Windows 10 Pro (Renewed) : Electronics Amazon.com: Dell M4800 15.6in FHD Ultrapowerful Mobile Workstation Business Laptop Computer, Intel Core i7-4900MQ 3.8GHz, 16GB RAM, 500GB HDD, WiFi AC, NVIDIA Quadro K2100M, Windows 10 Pro (Renewed) : Electronics](https://m.media-amazon.com/images/I/41dPzXGueFL._AC_UF894,1000_QL80_.jpg)