Laptop User Manual

User’s Manual 10-3
L550/L550D/L555/L555D
LCD
Over a period of time, and depending on the usage of the computer,
the brightness of the LCD screen will deteriorate. This is an intrinsic
characteristic of LCD technology.
Maximum brightness is only available when operating in AC power mode.
Screen will dim when the computer is operated on battery power and you
will not be able to increase the brightness of the screen.
Graphics Processor Unit (“GPU”)
Graphics processor unit (“GPU”) performance may vary depending on
product model, design configuration, applications, power management
settings and features utilized. GPU performance is only optimized when
operating in AC power mode and may decrease considerably when
operating in battery power mode.
Wireless LAN
The transmission speed over the wireless LAN and the distance over which
wireless LAN can reach may vary depending on surrounding
electromagnetic environment, obstacles, access point design and
configuration, and client design and software/hardware configurations.
The actual transmission speed will be lower than the theoretical maximum
speed.
External HDD Capacity
One Gigabyte (GB) means 10
9
= 1,000,000,000 bytes using powers of 10.
A computer operating system, however, reports storage capacity using
powers of 2 for the definition of 1GB = 2
30
= 1,073,741,824 bytes, and
therefore shows less storage capacity. Available storage capacity will also
be less if the computer includes one or more pre-installed operating
systems, pre-installed software applications, or media content. Actual
formatted capacity may vary.
Non-applicable Icons
Certain notebook chassis are designed to accommodate all possible
configurations for an entire product series. Your selected model may not
have all the features and specifications corresponding to all of the icons or
switches shown on the notebook chassis, unless you have selected all
those features.