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Drivers are software that connect your computer with hardware devices. Without drivers, the devices you connect to your computer, for example, a printer or video card won't work properly.

Keeping your drivers updated is very crucial to ensure that all your hardware devices work correctly, When you first time connect your device to computer, Windows will try to find a default driver for the device. It may or may not work. But even the default one works, usually it can not work at its full performance, or worser, the device will simply not work if Windows fail to find its driver.

There are all kinds of drivers. we have categorize all drivers in several classes below:

1394
This includes drivers for 1394 devices connected on a PCI bus.
Battery
This includes drivers for battery devices and UPS devices.
Bluetooth
This includes drivers for all Bluetooth devices.
Cameras, Webcams & Scanners
This includes drivers for still-image capture devices, digital cameras, and scanners.
Card Reader
This includes drivers for smart card readers.
CD-ROM
This includes drivers for s CD-ROM drives, DVD-ROM drivers and Blue-Ray drivers.
Graphic, Video Cards
This includes drivers for video adapters.
Hard Disk Controller
This includes drivers for hard disk controllers, including ATA/ATAPI controllers but not SCSI and RAID disk controllers.
Hard Disk Drive
This includes drivers for Hard Disk Drive.
Input Devices
This includes drivers for USB keyboard and mouse devices, USB joystick devices and Game port devices.
Keyboards
This includes drivers for keyboard.
Mobile Phones & Portable Devices
This includes drivers for Mobile phones and Portable Devices.
Modems
This includes drivers for Modem devices.
Monitors
This includes drivers for LCD Monitors, CRT Monitors.
Motherboards
This includes drivers Motherboards.
Mice & Touchpads
This includes drivers for all mouse devices and other kinds of pointing devices, such as trackballs.
Multifunction Devices
This includes drivers for combo cards, such as a PCMCIA modem and netcard adapter.
Network & Wireless Cards
This includes drivers for network cards and wireless cards.
Printers
This includes drivers for printers.
Port Devices
This includes drivers for serial and parallel port devices.
SCSI Devices
This includes drivers for scsi devices and raid devices
Sound Cards & Media Devices
This includes drivers for Audio and DVD multimedia devices, joystick ports, and full-motion video capture devices.
TapeDrive
This includes drivers for TapeDrive.
USB devices
This includes drivers for USB devices.
Others
This includes drivers which don't belong to any other classes.