2. Instruction
Study the given problem and write down the
needed information. Don’t forget to fold your
paper into three and label the columns as ff.
Faulty Device, Diagnostic and Solution;
respectively.
3. Problem 1
System Unit LED
Power Status: OFF Monitor LED
Power Status:
OFF
Faulty Device Diagnostic Solution
1.
2.
Monitor Display
Status: No
display
The system has no power at all. All lights are not glowing and there is no sign of life.
4. Problem 2
LED Power
Status: ON Monitor LED
Power Status:
OK
Faulty Device Diagnostic Solution
3.
4.
Monitor Display
Status: None
The system is inoperative. The monitor is working but the system unit is not working.
5. Problem 3
System Unit LED
Power Status: On Monitor LED
Power Status:
On
Faulty Device Diagnostic Solution
5.
6.
Monitor Display
Status: OK
System settings changed.
Invalid system setting.
Date and time not set.
Press “F2” to enter Setup or
Press “F1” to use default
settings and continue…
The system unit and monitor is working but there is a display about improper BIOS settings.
6. Problem 4
System Unit LED
Power Status: On Monitor LED
Power Status:
OK
Faulty Device Diagnostic Solution
7.
8.
Monitor Display
Status: None
The system unit is working and the monitor power indicator illuminates but there is no display.
7. Problem 5
System Unit LED
Power Status: On Monitor LED
Power Status:
On
Faulty Device Diagnostic Solution
Monitor Display
Status: OK
Boot device not detected…
Please insert proper boot
device and press
“Enter” to continue…
The system unit is working and the monitor power indicator illuminates but the system is looking for
proper boot device.
9. Problem 1
System Unit LED
Power Status: OFF Monitor LED
Power Status:
OFF
Faulty Device Diagnostic Solution
1. Brownout Plug-in other electrical devices Wait for the power to come on
2.Blown fuse/Main switch Visually check the fuse/Main switch Replace the fuse / Main switch
3.Unplugged power cables Visually check the power cables Plugged-in the power cables
4. Broken Outlet Plug-in other electrical devices Replace the outlet/ Use other
Monitor Display
Status: No
display
The system has no power at all. All lights are not glowing and there is no sign of life.
10. Problem 2
LED Power
Status: OFF Monitor LED
Power Status:
OK
Faulty Device Diagnostic Solution
2. Unplugged power cords Visually check the power cord Plugged-in the power cord
3. Defective Power supply Test the power supply Replace the PSU
4. Defective power cords Test the power cords Replace the power cord
Monitor Display
Status: None
The system is inoperative. The monitor is working but the system unit is not working.
11. Problem 3
System Unit LED
Power Status: On Monitor LED
Power Status:
On
Faulty Device Diagnostic Solution
5. Faulty CMOS battery Check the CMOS battery Replace the CMOS battery
6. No CMOS battery Visually check for CMOS battery Place a CMOS battery
Wrong CMOS/Bios settings due
to system change
Check the BIOS settings Correct BIOS settings
Monitor Display
Status: OK
System settings changed.
Invalid system setting.
Date and time not set.
Press “F2” to enter Setup or
Press “F1” to use default
settings and continue…
The system unit and monitor is working but there is a display about improper BIOS settings.
12. Problem 4
System Unit LED
Power Status: On Monitor LED
Power Status:
OK
Faulty Device Diagnostic Solution
7. Dislodged expansion card Visually check expansion card Re-attached the expansion card
8. Faulty expansion card Test expansion cards Replace expansion card
Defective primary memory (RAM) Test primary memory Replace primary memory
Dislodged VGA cable Visually check VGA cable Re-connect VGA cable
Monitor Display
Status: None
The system unit is working and the monitor power indicator illuminates but there is no display.
13. Problem 5
System Unit LED
Power Status: On Monitor LED
Power Status:
On
Faulty Device Diagnostic Solution
9. Faulty HDD Test hard disk drive Replace HDD
10. Dislodged SATA cable and other
connectors to HDD
Visually check HDD Reconnect SATA and other
connectors to HDD
CMOS/BIOS settings wrong Check CMOS settings Correct the CMOS settings
Monitor Display
Status: OK
Boot device not detected…
Please insert proper boot
device and press
“Enter” to continue…
The system unit is working and the monitor power indicator illuminates but the system is looking for
proper boot device.
