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Learn the steps you should take when installing a new video card. The process is as simple as installing an expansion card, as most video cards use the PCIe x16 expansion bus. Configure BIOS/UEFI Before you can install a video card, you need to enter the PCs B...

Learn how to properly troubleshoot storage devices and RAID arrays. Storage devices will inevitably fail someday. However, its our job as IT technicians to make sure that their failures leave the smallest impact on our business. Mean Time Before Failure This i...

Learn how wireless networks operate and the standards behind them. There are a lot of things behind wireless networking standards. Wireless Communication The FCC has jurisdiction over the specific radio frequencies that can be used by wireless networking devic...

Learn about thermal printers. Thermal printers are usually found in a business or industrial environment, and they're often used to print receipts. Thermal printers are incredibly quiet and easy to maintain. They use heated pins to print characters onto paper....

aliases: ICS Learn. ICSs handle workflow and automation processes of all sorts of machinery. They're often present in the critical infrastructure of developed societies, like power plants, manufacturing complexes, hospitals, telecommunication systems, and ...

Learn how mobile devices access the Internet through wireless network connections. Mobile devices are hardly useful without access to the Internet, that houses all the information we take advantage of daily. Wireless Radios There are several wireless radios in...

Learn to configure BIOS settings using the system firmware configuration utility. Find the Config Utility Check the system documentation to know what key to press during the boot screen to access the firmware config program. Review System Hardware Info Setting...

Learn the common issues and their solutions for troubleshooting a CPU. Failing CPU Symptoms Fails to boot OS won't load Numerous POST issues Locks up after Boot could be overheating could be incorrectly configured BIOS date/time POST beep code is a CPU fau...

Learn the location and function of the different parts in a motherboard. Remember, every component in a system connects to the motherboard, one way or another. CPU Socket where the CPU is installed Memory Slots usually next to the CPU socket, where the memory ...

Learn about impact printers. Impact printers are a legacy type of printer, coming out in the 70s and 80s. They're still in active production, and new models are still being released. They work similarly to old typewriters, by physically striking the printhead ...

Learn about the different services that are provided by network devices such as servers, routers, and switches. Network management devices like servers, routers, and switches, can be configured to do certain tasks. Server Roles Servers can be configured to pro...

Learn the different types of RAM that can be installed on a PC system. Properties Speed (in megahertz, MHz) DDR Rating (in megatransfers/second, MT/s) calculated by doubling the RAM's bus clock speed; e.g. DDR-226 133MHz * 2 => 226MT/s Static RAM (SRAM) Stor...

Learn the basics behind cloud computing. Cloud computing is a collection of hardware and software that allows data to be manipulated remotely using external Internet connections. Most organizations that allow cloud computing have a cloud of their own, which is...

Learn about the different Internet appliances network administrators use to promote safety, speed and efficiency for their enterprise networks. The following appliances ensure network uptime, security, and resource availability. They come in two forms: embedde...

Learn how to maintain mobile devices to extend their lifespan. Unused Apps All apps, no matter whether they're initialized or not, drain battery power. You should always remove apps that you don't use. Update OS Manufacturers release updates to their OS to rel...

Learn methods to maintain PC equipment in order to extend component life expectancy. Create a Proper Environment keep the temperature at 70-74 degrees Fahrenheit keep the humidity levels at 40-70% ensure that computer rooms have separate and redundant cooling...

Learn about the different tools one can use to wipe a disk. Basically, you overwrite the data with random stuff that it looks like junk and will basically impossible to recover the data. Darik's Boot and Nuke (DBAN) A popular (and free) tool that can be downlo...

In enterprise and corporate settings, server infrastructure is often installed in network cabinets. Network cabinets contain important equipment and hardware that enables the host company's cloud infrastructure to work smoothly and well. Network cabinets are u...