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Acer Predator 15 User Manual page 67

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• If the power LED is flashing, the computer may be in Sleep
or Hibernate mode. Press and release the power button to
No audio is heard from the computer.
Check the following:
• The volume may be muted. Look at the volume control
(speaker) icon in the taskbar. If it is crossed-out, click the
icon and deselect the Mute all option.
• The volume level may be too low. Check the volume from
the volume control (speaker) icon in the taskbar. You can
also use the volume control hotkeys to adjust the volume.
• If headphones, earphones or external speakers are
connected to the headphone jack on the computer, the
internal speakers automatically turn off.
I want to eject the optical drive tray without turning on the
There is a mechanical eject hole on the optical drive. Simply
insert the tip of a pen or straightened-out paperclip into the
hole and push to eject the tray.
The keyboard does not respond.
Try attaching an external keyboard to a USB port on the
computer. If it works, contact your dealer or an authorized
service center as the internal keyboard cable may be loose.
The printer does not work.
Check the following:
• Make sure that the printer is connected to a power outlet
and that it is turned on.
• Make sure that the printer cable is connected securely to a
USB port and the corresponding port on the printer.
Frequently asked questions - 67

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