Hisense HK950, Service Manual, Page: 17 / 18

HK950 Service Manual
4
）
common error message tips and solutions of Mainboard
Common fault Cause reason and solution
Startup automatically when
connected to power
Possible cause
：
maybe mainboard is faulty
Solution: replace the mainboard
not power on
Possible cause: faulty adapter ; mainboard faulty; RAM damaged ; BIOS faulty
Solution:
1)
replace new mainboard
2) replace new adapter
3) remove the cmos battery and short-circuit related IC and install cmos
battery back
4) replace new RAM.
Port not working
Possible cause: port faulty, port cable status bad, mainboard faulty
Solution: replace new mainboard or replace related I/O board or related cables
Not access to LAN
Possible cause: drivers lost; port damaged
1)
replace the mainboard
2) install drivers
3) replace new LAN cable
5
）
common error message tips and solutions of HDD or SSD
Common fault Cause reason and solution
Can’t access to OS; It
prompt
： “Device error”
when startup
，
or
：
“Non
－
System disk or disk error,
Replace and strike any key
when ready”
Possible cause :CMOS fault ,mainboard fault ,OS fault , hard drive fault
Solution
1)remove the CMOS battery and short-circuit related IC, then install back CMOS
battery
2)reinstall OS
3)replace HDD or SSD
4)replace new mainboard
It prompts
：
“Invalid
partition table”
Possible cause: SSD record data fault
solution
：
1) reload OS
2) replace new SSD and reload OS
It prompts “Error loading
operating
system”or“Missing
operating system”
Possible cause :CMOS fault ,mainboard fault ,OS fault , hard drive record data
fault
Solution:
1)remove the CMOS battery and short-circuit related IC, then install back CMOS
battery
2)reinstall OS
3)replace HDD or SSD
4)replace new mainboard
It prompts “TRACK 0
BAD
，
DISK UNUSABLE”
Possible cause: SSD fault
；
solution
：
1)replace new SSD
；
SSD read/write speed
slow,OS crash or reboot
Possible cause: OS fault; SSD fault,
solution
：
1) replace new SSD
；
2) reload OS
；
3) use software to recover SSD