Computer Power Sources

Surge protection is an often overlooked but vital component for maintaining your desktop or laptop computer. Computers are sensitive devices, and they are not able to withstand spikes in...

Emachine was a company that made inexpensive computers; it was purchased by Gateway in 2004. Generic inexpensive computers are also referred to as emachines. There have been many problems with...

Although battery life for laptop computers have improved considerably since the first laptops computers came out, there are still a few things one can do to improve the lifespan of your battery.

Although the USB port is commonplace on all new computers, a system that is dated by a few years may not have a USB port. Before the USB port, computers came with serial ports. These ports are...

Desktop computers get their power from a built-in power supply. When you look at the back of your computer notice the power cord; this plugs directly into the power supply which is located inside...

Whenever you start dealing with electrical outlets, you want to take a few precautions, and computers are no exception. Their internal power supplies use hundreds of watts and are set to use more...

Universal Serial Bus, or USB for short, is a computer standard that is used for connecting other devices to a personal computing device, such as a computer, a tablet PC or a personal digital...

Laptop batteries are complex power supplies that include on-board circuitry to control the flow of electricity and manage recharging safely. Most laptop batteries contain several lithium-ion cells...

A computer power source converts alternating current (AC) to direct current (DC) and provides a secure ground in case of electrostatic shock. You should test a power supply before plugging it into...

Laptop computers are one of the many items that we use that depends on a rechargeable battery to keep it up and running. When your laptop fails to stay charged or to charge at all, it is time to...

An Uninterruptible Power Supply, or UPS, is a backup power device used to prevent electrical power outages, surges and other electrical issues from adversely affecting a computer. Power issues can...

In this article you will learn how-to safely undock a laptop from a docking station or port replicator.

If your computer is running slow, or cant handle the new games coming out then you might need to upgrade. Most people dont know how to open their computer up and install new parts, with this guide...

A laptop battery's capacity and charging time decreases as it gets older, but a newer battery or a well-maintained battery will have a relatively steady charge time.

The laptop power supply is a crucial component of mobile computing, and proper care can help to extend the life of the power supply. The laptop power supply is important for its two main...

The form factor of a power supply is a description of its size and connection to the motherboard. Size is important; the power supply must fit into a specially designed area in the case and leave...

When you purchase a new laptop computer, one of the included accessories is a power adapter. A laptop's power adapter serves two basic purposes: supplying power to the computer's internal parts...

Packard Bell was a computer company that has since been dissolved into Compaq and Hewlett-Packard computer systems. There are, however, models of Packard Bell computers still on the marketplace...

Batteries for IBM Thinkpad laptop computers lose their ability to hold a charge over time. If it becomes necessary to recharge the battery or if it does not hold a full charge, it may be time to...

There's many myths about keeping your laptop plugged in - some people say that it will expand battery life, shorten it, kill your battery, etc. If you're confused about what's the best thing to do...

Computer power supplies are often taken for granted even though the job they do is complex. While every power supply takes the electrical current from an AC outlet and converts it into something...

Power outages can cause you to lose your data. Power spikes can burn out your computer components. Power shortages can burn out power supplies and fan motors which will cause your computer to...

If you have a desktop computer, you should also have a UPS (uninterruptable power supply) to protect it. But, what do you do when it starts acting up? How can you figure out whether or not it...

The dangers of computer power supply capacitors fall into two broad categories: stored energy and electrolytic breakdown. The capacitors used in computer power supplies include larger-value...

A computer's power supply regulates the amount of electricity flowing through a wall outlet so that the machine isn't damaged by using too much power. When a power supply begins to fail, you will...

With more powerful hardware comes higher power supply requirements. This is not a strict rule, as Intel's Core series is notable for its reduction in power consumption, compared to earlier...

If you don’t have a good power supply, you won’t be able to power your computer. Today, I’m going to teach you how to replace your old power supply with a new one. So let’s get started, just...

Whether it's a laptop, desktop or printer, all computer components produced by Hewlett-Packard require the use of a power supply. However, you may run into the frustrating problem once in a while,...

When you need to replace your power supply it can be pretty scary to look inside and see all the wires that need to be connected. You will soon see how easy it is.

A computer's power supply converts the electricity coming from a standard wall outlet into a lower wattage so that the machine only uses as much power as it needs. When a power supply fails, your...

Your PC doesn't take power directly from a wall outlet, but instead needs a power supply to convert normal electricity into a lower wattage. If the power supply on your PC stops working, the...

UPS (Uninterruptible Power Supply) provides the convenience of being able to carry on working on a computer when the power fails. Depending upon the amount of computing power being protected, the...

Laptops are meant to operate on battery power most of the time, allowing for greater mobility and portability of technology needed for business or personal use. Understanding the different factors...

Thermoelectric energy is electricity produced by difference in temperature. It is based on a phenomenon called the Seeback effect. When one side of a conductor or semiconductor is heated while the...

The Dell Latitude is a series of laptop computers designed for business use. Batteries in the series are warranted for one year, after which you can buy a Dell factory replacement or match up the...

The power supply unit provides electricity to the internal components of your computer and to devices connected to it, such as input devices, USB hubs, card readers or any other external device...

Each computer has a particular energy requirement because of its component. The CPU and video card are the two main components using energy distributed by the power supply. Not all video cards or...

In 1800, Alessandro Volta created the first battery. He created a battery known as a voltaic pile, by making a stack of alternating layers of zinc, blotting paper that was soaked in salt water,...

Since its introduction, the PC power supply has been standardized to allow for it to be universal and take advantage of the economics of mass production. The purpose of a PC power supply is to...

Testing a Bestec PC power supply is essential to not only ensure that you are utilizing a safe power supply, but also that the power supply is not the cause of a malfunctioning system. Thankfully,...

The power supply on a computer takes the high-current voltage provided by an electrical outlet and converts it to a weaker form that will run the various components inside the computer without...

Since laptops offer mobility and convenience, the main advantage it really serves over a standard desktop computer is that it can answer your computing needs anytime, anywhere. This is not...

Laptop battery life is one of the biggest problems computer users face. It can be frustrating to get a new computer and find that in just a few months, the time that you can use your laptop...

An Uninterruptable Power Supply, or UPS, can save the life of your PC, as well as hours of work should main power be disrupted. Unlike the common surge suppressor, a UPS also contains a battery...

A computer's power supply unit (PSU) is a device that converts electricity from a socket and supplies it to the motherboard, hard drives, fans, and other devices. When a computer demands too much...

The power supply is responsible for supplying current to the motherboard, hard drives, cooling fans, any lights in the case and all other peripherals attached to the case. Each power supply is...

Uninterruptible power supplies (UPS) provide protection for electronic equipment with battery back-up power. Seemingly simple in construction and operation, UPS units do require regular testing...

If you've ever had nothing happen when you pushed the power button on your PC, your computer reboot on its own or drives disappear or work erratically, then you may have had a power supply...

Backup power supplies, or uninterruptible power supplies (UPS) as they are technically referred to, are rated according to the amount of reserve power they hold. Specifically, all UPS systems...

Lithium ion batteries are largely popular because of their stock inclusion with modern laptops. Whereas nickel cadmium and nickel metal hydride batteries used to be the norm, the Linux...