Lenovo ThinkPad Edge E50 - Manual (Page 11)

DANGER
• Connect and disconnect cables as described in the following
procedures when installing, moving, or opening covers on this product
or attached devices.
To connect:
1. Turn everything OFF.
2. First, attach all cables to devices.
3. Attach signal cables to connectors.
4. Attach power cords to outlets.
5. Turn devices ON.
To disconnect:
1. Turn everything OFF.
2. First, remove power cords from
outlets.
3. Remove signal cables from
connectors.
4. Remove all cables from devices.
The power cord must be disconnected from the wall outlet or receptacle
before installing all other electrical cables connected to the computer.
The power cord may be reconnected to the wall outlet or receptacle only
after all other electrical cables have been connected to the computer.
Laser compliance statement
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or
transmitters) are installed, note the following:
• Do not remove the covers. Removing the covers of the laser product
could result in exposure to hazardous laser radiation. There are no
serviceable parts inside the device.
• Use of controls or adjustments or performance of procedures other than
those specified herein might result in hazardous radiation exposure.
DANGER
Some laser products contain an embedded Class 3A or Class 3B laser
diode. Note the following.
Laser radiation when open. Do not stare into the beam, do not view
directly with optical instruments, and avoid direct exposure to the beam.
Save these instructions.
Service and Troubleshooting Guide
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