Acer Altos G530 Series User Manual page 175

(1) Attach the cable arm to the rear of the system using two M4 x
L8 metal screws and nuts (see page 157).
(2) Install two cage nuts into the rail to which the cable arm is to
be attached.
(3) Extend the cable arm enough to attach it to the rail using two
M6 x L10 metal screws (see page 157).
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