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4. Troubleshooting
◆ Main System Troubles
5. System is not turned on.
→ Check if the AC adapter LED is lit and if the adapter is properly connected to the
system.(Check the adapter LED)
→ If the AC adapter is not connected, check the charge status of the battery. Even if the battery
is charged, if the remaining battery charge is too low, the system may not be turned on.
→ Check if there are any alien substances in Power switch.
→ Replace the SUB Left
→ Replace the Main Board.
6. Although system power is supplied, the system does not boot or immediately terns off after being
turned on.
→ Since this may be a short circuit in the system, disconnect the power immediately, disassemble
the system and check if there are any conducing alien objects such as a screw inside.
→ Check the connection status between the CPU and the Hear sink
→ Replace the memory module and check if it is out of order.
→ Reset the RTC Reset terminal next to the memory socket.
→ Replace the main board.
7. There is no sound from the speaker.
( Insert the figure of the audio jacks so that the reader can check via the figure)
→ Check if the earphones or headphones are connected to the MIC jack of if there are any alien
substances in the jack.
→ Check if the sound is muted in Windows.
→ Check the speaker cable connection and check the abnormal working of speaker and then
replace that.
Board.
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