external keyboard for dell laptop

The external mouse is easy to carry, but the external keyboard is difficult. So I always think that the notebook touchpad is a chicken rib. Especially for Ubuntu users, because the driver is not complete, the touchpad cannot be disabled at will. My laptop is Dell n4030, b

Dell Laptop Boot process problems, do not open the machine, how to do? A box appears: "The Show Wendows Explorer has stopped working, a problem has occurred, causing the program to stop working properly, and if there is a solution available, Windows will close the program and notify you." " is in the boot process black screen, and then appear the box, how to do ah? Hello you can restore the factory settin

The charge number of the battery is 300 times or more for full charge. In the case of incomplete charge, such as the meeting completed, the use of half of the electricity, connected to the external power supply, will automatically recharge, these incomplete charge on the battery life is generally not much impact, but long-term accumulation will also reduce the performance of the battery. It is recommended that the battery be fully used and then rechar

This keyboard is USB interface, Dell 8115 A03, used for more than a year on the desktop at home. A week ago, this 8115 error began to occur: during operation, a sudden power loss occurred, no response was made by pressing any key, and no indicator was on, after a while, the operating system will suddenly report that the hardware has been found, and the indicator lights on the

Two methods are generally used to connect a PC to a projector: Dual-graphics card or video distributor. Dual-graphics cards are used, that is, two graphics cards are inserted in one PC at the same time. One video card is connected to the monitor, and the other video card is connected to the projector; the video distributor is used to divide a single video input signal into multiple channels and output the same video signal. Most laptops have designed RGB interfaces for