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Appendix
- 59 -
Upgrades and Repairs
•
Only a qualified engineer should perform upgrades and repairs to your PC.
Notes on Laser Radiation:
•
Laser devices of Laser Class 1 to Laser Class 3b may be used in the PC.
Where the PC housing remains closed, the device meets the requirements of
Laser Class 1.
•
By opening the PC housing you will gain access to laser devices of up to La-
ser Class 3b.
When removing and/or opening laser devices, the following guidelines must be
observed:
•
The CD-ROM-/CDRW-/DVD-drives installed contain no user-serviceable
parts.
•
Only the manufacturer should perform repairs to the CD-ROM-/CDRW-/DVD-
drives.
•
Do not look into the laser beam, even while wearing optical protection.
•
Do not allow yourself to be exposed to the laser beam. Avoid exposure of the
eyes or skin to direct or stray radiation.
