Tip & How-To about Computers & Internet

Instructions to keep your Laptop Battery last longer

There are certain elementary rules for getting more from your laptop battery. Make it a point to turn off Wi-Fi and BlueTooth. You are aware that most laptops have shortcut keys to instantly disable wireless networking. Completely avoid playing computer games, music or DVD movies as multimedia activities tend to drain laptop batteries. Disconnect all external devices like PC Card modems, firewire, USB devices and optical drives. It is advisable to use the notebook touchpad instead of an external mouse. It will also help to adjust your screen brightness as dimming your display saves battery power. You'll certainly need to see your screen, but just how bright do you need it to be? Screens lighted at full strength eat up 15 percent more battery life than if your battery was at 50 percent brightness. So, be sure to squeeze more life out of your laptop by reducing the brightness of your monitor a great deal.
Select a laptop power scheme that turns off the notebook monitor and hard disk after 10 minutes of inactivity. Remember to decrease or mute the laptop speaker volume. Lastly, programs that are run from a CD or DVD can be copied and run from the hard drive, which typically consumes less power than an optical drive. Some games offer you the choice to install to the hard drive, so choose this option, as you will get more life out of your laptop than using the CD-ROM or DVD player, which are massive battery consumers. There are also some more tips to improve your laptop battery life. If you do not use your laptop for extended periods of time like a few days or a week, then remove the battery pack from the laptop. Never expose the battery to high heat or extreme cold conditions. For instance, do not leave your battery in your car during the summer months. Hot batteries discharge very quickly, and cold ones can't create as much power. Make it a point to plug your laptop charger adapter into a UPS and not directly into a power outlet or surge protector. Fully charge new battery packs before use. New pack needs to be fully charged and discharged (cycled) a few times before it can qualify to full capacity. Leaving a battery in a laptop while using an electrical outlet for long periods of time will keep the battery in a constant state of charging up and that will reduce the life cycle of the battery.
Energy management has been a problem since the earliest days of mobile computing. Drains on a battery include virtually every component on your laptop, including the screen, the hard drive, the CD-ROM and DVD-ROM, and other peripherals. The biggest villain is DVD movie, which cause the screen to run at full power for the life of the movie. Make sure you have no devices plugged into the laptop that can drain its power, such as a webcam, USB thumb-stick, or wireless PC card. According to laptop manufacturers, connected peripherals can impact battery life by up to 12 percent (depending on the peripheral), so get used to the touchpad instead of using an external mouse when you're away from an electrical outlet. As a ‘Prevention is better than cure’ philosophy, it is worth mentioning that air travelers should make it a point to recharge the battery before a flight. Find an electrical outlet while you're waiting for your flight at the gate, a restaurant, or departure lounge.

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turn on my wireless wi fi on my lap top saying my lan in os is off


On many laptops, there is an external switch to turn the wi-fi on/off. This is normally found on the front or sides of the laptop case. It can be easy to turn off the wi-fi accidentally if you grab your laptop a certain way that causes you to press the switch.

On some laptops, you will find the wi-fi on/off switch by raising the laptop screen to expose the keyboard. The switch may often be found by looking at the area above the keyboard. In almost every case, the wi-fi on/off switch will be lit if the wi-fi is on, and unlit if the wi-fi is turned off.

Feb 28, 2015 | Medion Computers & Internet

1 Answer

F12 button controls WI-FI on or off and doesn't Bluetooth on or of


On my laptop Fn displays a certain number icons corresponding to Esc, F1, F2,F3,F4,F5,F6,F7,F8, F9 with F8 activating and deactivating the Wireless. F10 toggles the overlaid keyboard, F11 allows one to use the overlaid keyboard
There are no icons for F10, F11, and F12.
After the icon for F9, there is one for TAB, another for Space, and a last one.
If you click the last icon you open a second set (second page) where there are other icons that control other features. There is one to turn ON and OFF the BlueTooth Adapter.

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Jan 01, 2014 | Toshiba Computers & Internet

1 Answer

bluetooth peripheral device driver


Sai Ch Krishna,

Depending on the system. The bluetooth would have to have been purchased at point of sale. The wireless and the bluetooth are turned on by a wireless switch on the side of the computer. If needed you can reinstall the drivers. Also, make sure bluetooth is turned on in the bios. Below is more information.
Wireless Switch

Wireless Technology The Latitude D630, D631, and D630c system ships with a wireless feature called the wireless switch. It is located on the left side of the system next to the IEEE 1394 connector. When used in combination with the Dell 38482; Quickset utilities, this switch enables or disables the wireless LAN, wireless WAN, and Bluetooth cards in the system or searches for all wireless networks in range.
To scan for a Wi-Fi wireless LAN, slide and hold the switch in the momentary position for a few seconds. The Wi-Fi Catcher network locator works whether the computer is turned on or off, in Hibernate mode, or in Standby mode, as long as the switch is configured through QuickSet or the BIOS to control Wi-Fi network connections.
Because the Wi-Fi Catcher network locator is disabled and not configured for use when the computer is shipped, it must be enabled and configured through the Dell QuickSet utilities to control Wi-Fi network connections.

Wireless Switch LED Settings
The LED on the wireless switch works even if the system is off. A user can activate the switch and have it scan for networks without going through a complete boot process. The switch can be set to detect for only certain wireless signals, such as WLAN only, WWAN only, Bluetooth only, or any combination of these. This is set in the BIOS under the Wireless section.
The LED indicates the presence of a network as follows:
  • Flashing green - The system is searching for a signal.
  • Green - The system has detected a wireless signal and has good strength.
  • Yellow - The system has detected a wireless signal, but it is moderate to weak in strength.
  • Red - The system failed to detect a wireless signal, or the wireless signal is extremely weak.
Thank You,
Dell-Jesse L
Dell Social Media and Communities

Aug 27, 2013 | Dell Computers & Internet

1 Answer

problem in turning on bluetooth in r52


actually in most of the laptops the bluetooth and the wi-fi shares same button or swtich once you swtich it on the bluetooth and wi-fi will get activated or you can just look for a bluetooth icon on your taskbar . or try by serching in your system try or by downloading the driver for the bluetooth from the ibm site . thats all

Feb 04, 2010 | IBM ThinkPad R52 Notebook

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