Mindray DC-68, Service Manual

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Troubleshooting of Regular Malfunctions 13-3
13.2 System Cannot Start
13.2.1 Related Modules or Boards
No. Description Remarks
1 PC carrier board /
2 PC module assembly /
3 HDD assembly /
13.2.2 Key Points Supporting Troubleshooting
No. Key Points Supporting Troubleshooting Remarks
1 The display and progress status when starting the system /
2 Alarm and prompts when starting the system /
3 Backlight status on the control panel /
4 Display indicator /
13.2.3 The System Cannot Perform Troubleshooting
No. Fault Description Cause Analysis Solution
1 The backlight on the control
panel is normal; the display
is blank; no signal appears.
System powers on normally.
Enter BIOS self-checking but
BIOS screen does not appear.
PC module failure.
Replace PC module
2 BIOS start-up graphics is
normally displayed, but it
does not last.
PC module failure Replace PC module
3 “OPERATING SYSTEM
NOT FOUND” appears.
Loading operation fails. Hard
disk and root directory of hard
disk in operation system are
corrupted.
Restore the operating
system. If fails, replace the
hard disk.
4 BIOS start-up graphics
appears, and then becomes
blank.
Unavailable to load the
system. The system directory
of hard disk may be
corrupted.
Restore the operating
system. If fails, replace hard
disk.
5 System Doppler start-up
graphics appears but it
does not last.
Fail to load the system
software. Hard disk or system
software in hard disk may be
corrupted.
Restore the operating
system. If fails, replace the
hard disk.