Prestigio VISCONTE 120 Technical & Service Manual page 109

TECHNICAL SERVICE MANUAL Prestigio Visconte120
6.10 CMOS test error
1. CMOS data lost, or inaccurate system time & data
CMOS test error
1. Plug in AC adapter, power on the system and set correct data in BIOS setup
2. Replace CMOS Battery
3. Turn off power for 1 hour then turn on again
Yes
Re-boot OK?
END
No
Replace motherboard
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