The location of laptop serial numbers varies among models and manufacturers, although many typically include the information on the bottom of the computer, sometimes beneath or near the battery. This information is prese... More » Technology Computers & Hardware

On Dell Latitude, Inspiron, XPS, Precision, Vostro and Alienware laptops, the service tag and the express service tag are seven- and 10-digit codes, respectively, that are located on the bottom of the laptop. Desktops al... More » Technology Computers & Hardware

You can find out the serial number in Windows 7 by using a third-party program or locating the serial number on the CD package or the computer. Microsoft encrypts the serial number in Windows 7, making it difficult to ac... More »

To clean a laptop fan, shut the computer down, remove the battery and adapter, remove the access panel, blow out the fan with a can of compressed air, and replace the access panel. This is an easy process requiring a sma... More » Technology Computers & Hardware

When a laptop shuts off by itself, it is potentially caused by one of various issues, which often include an inefficient battery, a computer virus or overheating of the computer itself. It is possible to correct each of ... More »

To perform a battery check on your HP laptop, open the System Diagnostics option on the computer. Run a battery test to determine the state of your battery. More »

To replace an HP laptop battery that doesn't charge, remove the battery, identify the product number of the laptop, purchase a new battery, and snap it into the battery slot. Before starting, make sure the laptop is shut... More » Technology Computers & Hardware