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2-4 User’s Manual
L550/L550D/L555/L555D
Right side
The following figure shows the computer’s right side.
Figure 2-3 The right side of the computer
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3
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4
1. Optical disc drive
2. Universal Serial Bus (USB 2.0) ports
3. DC IN 19V jack
4. Security lock slot
Optical disc drive The computer is configured with a tray version of
the DVD Super Multi drive or Blu-ray Disc drive.
The full-size drive provides high-performance
execution of CD/DVD/BD-ROM-based programs.
Universal Serial Bus
(USB 2.0) port
Two Universal Serial Bus ports, which comply
with the USB 2.0 standard, are provided on the
right side of the computer.
DC IN 19V jack The AC adaptor connects to this jack in order to
power the computer and charge its internal
batteries. Please note that you should only use
the model of AC adaptor supplied with the
computer at the time of purchase - using the
wrong AC adaptor can cause damage to the
computer.
Security lock slot A security cable can be attached to this slot and
then connected to a desk or other large object in
order to deter theft of the computer.