AHT is available to repair or upgrade your computer. We can install or upgrade any internal or external hardware device on your desktop or laptop computer. Examples of hardware devices that we install or upgrade include: hard drives, RAM (memory), network interface cards, CPU (processor), printers, scanners, video cards, monitors, CD-ROM drives, DVD-ROM drives, CD/DVD burners, modems, sound cards, speakers, webcams, digital cameras, laptop                         batteries, external drives, and more.