Let us look at the W540 BIOS now. This is the heart of the system, and several key features are found here that you could adjust. To bring up the BIOS, power up or restart the W540. During the boot process, a screen will be displayed that says hit enter to go into the BIOS. A word of warning here: do not change settings if you do not fully understand the effects of doing so.
This is the home screen for the W540 BIOS. It shows the basic system specifications and a menu at the top to move to other settings.
Here we see the Config menu. Use your arrow keys to move up and down this listing.
We are under the USB Config settings here. Always-on USB will allow you to have a something like a cell phone cable connected to the W540 and receive power while the W540 is off. If charge in battery mode is disabled, you will not be able to charge a cell phone when you are on battery power.
Some of the settings in Power allow you to turn off SpeedStep for better performance. This keeps the CPU from throttling up and down depending on what you are doing. Disabling this will give you much better performance when plugged into a wall socket for power. It is not a good idea to keep this disabled if you are running only on battery power.
The Fingerprint menu allows you to set key parameters of the fingerprint scanner.
You can find settings for Intel Anti-Theft activation here. Note: this is an optional service.
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