Sony PCG-XG29 - Manual (Page 33)

Closing the Front Panel
Closing the Front Panel
Close the front panel by holding the clip on the left top of the front panel.
If you touch the LCD screen, you will leave fingerprints on the LCD
screen. Use the supplied filter cleaner to wipe the LCD screen. See “Notes
on Use” for more information.
To close the intercooler flap
The bottom part of the computer does not close automatically. To close
the intercooler flap, grasp both sides of the flap while sliding the levers
with your thumbs.
clip
Intercooler flap lever