Wireless Networking - Laptop Labs for Schools by Eric Meyer
Purchasing laptops for mobile labs is often a daunting task for an educator. Mobile labs can be a great asset if the right equipment is purchased. Mobile labs have been shown to increase test scores and help students focus. If the wrong type of equipment is purchased the mobile laptop lab will... Students will not be downloading music or movies so a larger hard drive is not needed. ... Your cart will need a power strip to charge the laptops. ... Anything smaller will be too small for the children to read, and anything larger will be too big and bulky.

Maintaining and Troubleshooting Your Laptop Battery by Bill Platt
The actual life of a laptop battery will vary with computer usage habits. For most users, it is not uncommon to experience differences in battery life, of anywhere from just under one hour to over two hours in each sitting. If you are experiencing shorter battery life cycles, say 10 to 15... As far as battery usage goes, it is recommended that you should use the battery once every two weeks, and keep the battery in the system so that the AC adapter can keep the battery charged at all times.

Amps, Volts, and MAh by Dan Hagopian
PDA batteries like all batteries have electrical specifications that include its volt and milliAmp hour rating. These terms are abbreviated as we see in the following example: 3.7 V, 1600 mAh. What do these terms mean, and why should you care about the specifications of pda batteries? ... Amp hours quantify how long a pda battery can deliver a certain amount of charge before it runs out. ... The original battery might be specified at 10.8 Volts, but customers using a universal part can operate their laptop safely at either the 10 or 11 Volt setting.

Integrated Power Management Circuits by Dan Hagopian
Discussing internal battery design would be incomplete if we did not write on the subject of integrated circuits. Batteries for PDAs, MP3s, Digital Cameras, and Laptops have designed within them integrated power management circuits that insure that the deliverance of reliable power is properly... Power management integrated circuits offer other key benefits as well including maximizing battery life between charges, minimize charging times, and improve battery life. ... A real example of a battery pack protector circuit is a Texas Instrument two-cell lithium-ion (Li-Ion) and lithium-polymer...

Batteries and the HP NC6000 Notebook by Victor Epand
The HP nc6000 notebook has the capacity for two batteries -- a 'primary' battery and a 'Multiday' battery (that slides into the same slot used for a DVD/CD drive.) When on battery power the notebook utilizes the primary battery first until it drains out, then it is supposed to switch over to the... The laptop knows that there are two batteries there, but for some reason the second battery obviously is not discharging properly. ... You have to tell it to utilize the other battery; I'd guess it's the power and battery options in control panel.

Laptop's Power Jack - DC Jack Common Issues by Max Yu
If you own a laptop, chances are that one day you will be happily working on a project and seemingly without warning your laptop will turn itself off – for good. Having experienced this myself, I can tell you that there is no other event in my work life that makes me feel so utterly helpless. ... Something that you may or may not already realize is that power jack problems are the leading cause of laptop downtime and the most commonly reported hardware problem regardless of the laptop make or model.

A Great Combination - Laptop Computers and Laptop Printers by Terence Roberts
A laptop computer, also called a laptop, is a mobile computer, which is small, lightweight and portable. Laptop computers normally run either on a single battery or from an AC/DC adapter or power supply unit. This adapter charges the battery even while providing power to a computer. ... Laptop computers and laptop printers are a modern technology that does not restrict you to one specific room or even area. ... There are backpacks or carriers specially made that allow you to transport laptop computers or laptop printers safely and these are just great for business people that travel,...

How to Prepare a "Bug Out" Laptop Kit by TJ Smith
Can you imagine being away from your computer for an extended period of time? No internet, no email, no funny jokes, no games to play? Many people have found themselves in this position when the unexpected happens. In the event of a natural disaster, terrorist event or a bird flu pandemic,... You could run your laptop directly off 12 volt or run it through a converter to charge the battery. ... Most laptops will have a built-in modem, if not you will want to add a modem card also. ... A good basic laptop with a cd rom and a good battery will do the trick.

Today's Advanced Laptop vs. the Desktop PC by Sam Carlton
The performance, capabilities and performance of laptop computers have for many years been lagging behind the desktop, but all that is changing. Today's advanced laptop computers are noted as having equal capabilities as modern desktop PCs, although there is often a noticeable time delay for the... Some of the main objectives of advanced laptop manufacturers are power management, performance and compatibility. ... Advanced laptop computers focus on size, power, compatibility and performance. ... Instant-on is a feature that allows users to put their laptop into a power-conserving state and...

A Safety and Care Guide for Notebook or Laptop Computers by Chris Robertson
Notebook computers - also known as laptop computers - have become an important part of our lives. They are more affordable than ever and as popular as cell phones. A laptop computer has a versatility that the home PC does not provide. With its smaller size it is portable and easier to carry along. ... You might not know when you will be able to charge them again. ... It means almost certain replacement, and most warranties will not cover it. ... Taking Care of Your Laptop or Notebook Computer It is important to take care of your laptop computer and protect it from accidents.