2-2 User’s Manual
L550/L555/L550D/L555D
Left side
The following figure shows the computer’s left side.
Figure 2-2 The left side of the computer
2
4
6
1
3
5
7
1. Cooling vents
2. External monitor port
3. LAN jack
*4. HDMI out port
5. eSATA/USB combo port
6. Microphone jack
7. Headphone jack
*Depending on the model you purchased.
Cooling vents The cooling vents help keep the processor from
overheating.
Do not block the cooling vents. Keep foreign metal objects, such as
screws, staples and paper clips, out of the cooling vents. Foreign metal
objects can create a short circuit, which can cause damage and fire,
possibly resulting in serious injury.
External monitor
port
This port allows you to connect an external
monitor to the computer.
LAN jack This jack lets you connect to a LAN. The adaptor
has built-in support for Ethernet LAN (10
megabits per second, 10BASE-T) and Fast
Ethernet LAN (100 megabits per second,
100BASE-TX). The LAN has two indicators.
Refer to Chapter 4, Operating Basics, for details.
■ Do not connect any cable other than a LAN cable to the LAN jack.
It could cause damage or malfunction.
■ Do not connect the LAN cable to a power supply. It could cause
damage or malfunction.
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