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Basic Tweak
If you own a recent ATI or nVidia graphics card, then you have access to a basic clock tweaking feature. Go to the Control Panel, access the Display, choose the Appearance tab, and click on Advanced Settings. Depending on the model Toshiba Laptop Battery of your graphics card, there may be automatic clock reducing features. Look for names such as POWERPLAY and configure appropriately (set to Max Battery when not using 3D graphics).
Disabling Components
There are many components on your laptop that are rarely used. However, the components are still on standby, wasting precious power. Disabling unused components is a great way to save power.

To disable a component, right click on "My Computer" and select "Hardware." Then, click on the "Device Manager" button. This will access the Device Manger, which lists all the components in your laptop. You can now disable any component at your leisure by finding the component of choice, right-clicking on it, and selecting "Disable."
Possible devices to consider disabling or disconnecting:
Wireless (some laptops have a on/off switch)
Bluetooth
USB
Firewire (IEEE 1394)
Modem
Serial/Printer/VGA/SCSI ports
Infrared device
CD-ROM/RW or DVD-ROM/RW drive
Memory card
LAN
Sound
Remember that after Toshiba Satellite 2100 Battery disabling these components, you will need to re-enable them the same way to be able to use them again.
Additional methods

Decrease LCD brightness
Another method in maximizing battery life is setting the screen brightness.'Dim the LCD screen to the lowest comfortable level to achieve maximum battery life. If you're going to watch a DVD movie, set the brightness to its lowest if the lights in the surrounding room are off.

Standby/Hibernate
Place your computer on Standby as often as possible. When you are not using your computer for a while, place your computer into Hibernate; and when you are not using it for the time being, shut down your computer.
You can recover the previous work state of your computer faster when your computer is in Hibernate than when it is shut down. If your computer is on Standby, it takes a much shorter time to recover the work state as compared with Sony PCG-Z505 battery
recovery from Hibernate.

Disabling Processes

Running many unnecessary programs will cause your CPU to run harder, and thus use more energy. Therefore, removing any unecessary processes to save battery power.

Spyware/Virii/Hackers
Spyware and virii are destructive programs that can cause your CPU to work for them, and should be removed at once. Hackers can put virii and other malicious programs on your laptop as well, causing your CPU to work more often. Sony PCG-V505 battery Even if battery life is not a problem, it is always good to maintain a secure laptop.

Be sure to keep your virus scanner updated at all times.

AVG Antivirus is a great FREE antivirus scanner.

Spybot S&D, as well as Ad-aware, are great FREE anti-spyware programs. Download both, since they are not all 100% effective.

Using a firewall can prevent hackers from accessing your laptop, and should be active at all times. Windows has a built-in firewall (Windows XP SP2 and above) that works fine. ZoneAlarm is a great FREE firewall, better than the built-in Windows firewall.

Keeping Windows updated through patches is always a good idea to prevent hacker attacks. A common way for hackers to access your computer is through Internet Explorer. Even the latest patched version still has security "holes." Download Firefox, the Sony PCG-R505 battery best FREE web browser, to alleviate these problems.

Unnecessary Startup Processes
Laptops bought from companies such as Dell, Compaq, Gateway, Emachines, IBM, etc, have many'unnecessary startup programs. Disabling these programs not only saves battery life, but also saves precious RAM. By removing these programs from the startup repretoire, you also have the advantage of having a faster startup time.
First, select "Run..." in the Start menu.
Then, input "msconfig" into the field
Access the "Startup" tab, and take a look at the programs you have starting up. Disable'everything that you don't need. Examples of programs that you need include:

ATI Tool (from the Laptop Underclock/Undervolt guide)
RM Clock (from the Laptop Underclock/Undervolt guide)
ctfmon
MSN/Yahoo/Trillian
Misc. hardware programs, eg for a HP printer
Virus scan
Experiment! Another good idea is to Sony VGP-BPS10 battery, disable everything, then take a look at what's missing that you need, find the program that you need (take a look at the Command - it shows where the program is located), and enable it. Then, repeat. If you don't know what a program is, you should probably disable it
Next, click on the "Services" tab. Check the "Hide All Microsoft Services" tab. Although you can disable many Microsoft services to further increase performance, we are not going to cover it. You can search on the internet for guides that will help you with this. It's a lot more difficult, and the results are different for each person.

Again, do as you did for the Startup tab. Keep everything that you think you might need. Be sure to keep your Antivirus scanner service. Many program services are just to aid in load times, or other trivial tasks. Disable them, then test the program to see if it still works.
Conclusion

By configuring your laptop effectively, one can Sony laptop battery easily increase laptop battery life. In this guide, we discussed proper laptop battery care, configuring your laptop Power Profile, configuring your graphics card, disabling hardware, disabling software, and protecting your computer from malevolent programs. Following these simple tasks will lead to a safer laptop with a longer battery life.