Samsung 70G7C Service Manual page 60

4. Trouble shooting
1. Check if the sound is muted after booting up Windows.
→ Fn + F6 (Mute cancellation)
2. Control panel confirmation.
→ Speaker Setting.
3. Check the connection status of the speaker cable and check
if the speaker is out of order.
4. Check if there is a magnetic object near the speaker.
5. Replace Main Board.
4. I cannot hear sound through the headphones.
1. Check if the sound is muted after booting up Windows.
→ Fn + F6 (Mute cancellation)
2. Control panel confirmation
→ Speaker Setting.
3. Turn the volume up.
→ Fn key volume adjustment
4-11
* Check if it is out of order.
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