Samsung NP900X4D, Руководство по обслуживанию

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4. Trouble shooting
4. The system can power on, but cannot boot into Windows
1 Make sure no USB storage device is connected to the USB port
2
If the 'Operating system not found' message appears during the booting
process even though the SSD is recognized by CMOS, the operating system
of the SD may be corrupted or the SSD is out of order.
Format the SSD and reinstall the
operating System.
If problem persists, replace SSD
5. The system can power on, but LED on power button does not lit up.
1 Check if there is any material blocking the LED
2 Change Power switch FPC
3
Change Sub board
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