Computer Power Sources

The power supply is the lifeline in your computer. If the power supply dies, your entire computer will simply not operate and fail to power on. If you have never taken a peek inside your computer,...

Save on electricity and get the most out of your laptop when you aren't plugged in. Here are ten steps to make your laptop's battery last longer.

Microsoft recently released a new 14-page whitepaper entitled “Windows 7 Power Management” to outline the power management technologies in Windows 7 that reduce power consumption. For those...

Power Options in Windows XP allow you to control the power management features of: Your display Your hard drive Shut Down, Hibernate, and Stand by Low battery warnings

The Dimension E310 a desk top computer produced by Dell as a member of their Dimension E series, the precursors to the Inspiron line. The power supply unit (PSU) converts the electricity from your...

In computer terms UPS stands for uninterruptible power supply. The purpose of a UPS is to keep your computer running when the power goes out. This gives you time to save anything you're working on...

When the warranty expires on big-ticket items, things start to go wrong all at once, and laptop computers are no different. The DC jack is your main source of power, especially when charging your...

When using a device that requires electricity, the first step is often to plug it in. Different types of electrical devices require different plugs that meet the electrical needs of the device....

A battery backup, or an uninterruptible power supply (UPS) can be a tricky thing to purchase. There are a lot of factors to consider, namely: volt-amp (VA) rating, full-load wattage, run-time at...

Testing an ATX power supply is a useful diagnostic tool when attempting to ascertain a problem that is preventing a PC from posting. Many computer failures are symptomatic of a failed graphics...

Your computer's power supply is the heart of your computer system. The power supply generates a lot of heat since it powers all components of your system, from your hard drive to your USB...

When working on your computer amid a power failure, you lose any unsaved data. Avoid this problem with an emergency battery backup called an uninterrupted power supply (UPS), which will give you...

"Hey, Larry. Guess what? I just sold my old cell phone to a guy on eBay for $20 bucks. Well, Larry, you were just awarded a Forest Gump sticker. You are really stupid. Selling your old cell...

Without proper power, a computer may lag and some components may not work. The computer may even run the risk of overheating if the system lacks enough power to run the cooling system or fan. ATX...

You will learn how to open your PC and replace a power supply in a standard PC.

A power surge can seriously harm your computer. Fortunately, the computer's power supply is built to take the brunt of any power fluctuations. If you find that your system no longer powers up...

All UPS systems have three main components: the rectifier, the battery and the inverter. The rectifier converts AC power to DC power so that the battery can store it. The battery stores the...

Since the widespread acceptance of the SATA specification release in 2003 there has been a growing interest in the difference between ATA and SATA power supplies. A power supply is not...

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...