Sharp PC-AL27 - Actius AL27 - Mobile Athlon 64 1.6 GHz Operation Manual page 36

Inserting Disc
1. Make sure the optical drive indicator is not lit on; then, press the eject button.
The drive tray will pop out.
1
Optical Drive Indicator
2. Gently pull out the tray.
3. Place your disc with label side up onto the tray and slightly press the center of
the disc until it locks into place.
1-12
Eject Button
Tray
Lens