4-14
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Replace the LCD cable or LCD inverter and check if it is out of order.
→
Check if a standard adapter is being used (R700/R701:19V/4.74A/90W).
◆
Main System Troubles
5. The system is not turned on.
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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.
(As the following figure shows, press the PUSH button on the battery and check the remaining
battery charge via the LEDs)
→
Check if there are any alien substances in the Power switch.
if have,change the LED
6. Although system power is supplied, the system does not boot or immediately turns 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 conducting alien objects such as a screw inside.
→
Check the connection status between the CPU and the RHE.
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4. Troubleshooting
