Generally the new battery can 100% fully discharge-charge. Last month I buy a latitude d820 battery replacement, as my work dont need to take the notebook out, so I use the notebook with the AC adapter and I store the battery in my drawer. Last Friday,...

Q Is it easy to install a battery? a Yes, very easy. First, make sure all open files are saved. Next, either attach the aC adapter directly to the lap or set the system to "hibernate" mode or shut off. Release the latch on the current battery, and simply...

When we install the USB Flash disk into my laptop, sometimes the windows may notice : 'USB device not found ". What should I do ? As the laptop I/O interface (port) are USB port. When the "USB device not found" we can not connect the mouse, keyboard,...

Laptops are common now, most people have to take the laptop to school or when travel. Some times we may lose the important files or the slide show you have created (but carelessly forgot to save) may disappear if the laptop's battery does not charge....