Figure 4: Num Lock Flashing, Caps Lock On, Scroll Lock On | The microcontroller is handing control of the computer to the processor. This code persists if no processor is detected. | - Reseat the processor.
- Replace the system board.
- Replace the processor.
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Figure 5: Num Lock On, Caps Lock Flashing, Scroll Lock On | The memory has encountered an error. | - Reseat the memory modules.
- Replace the memory modules.
- Replace the system board.
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Figure 6: Num Lock Flashing, Caps Lock Flashing, Scroll Lock Flashing | A system board component is faulty. | Replace the system board. |
Figure 7: Num Lock Flashing, Caps Lock Flashing, Scroll Lock On | The video card is preventing the computer from completing POST. | - Replace the video card.
- Replace the system board.
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Figure 8: Num Lock Flashing, Caps Lock Flashing, Scroll Lock Off | The keyboard is preventing the computer from completing POST. | - Reseat the keyboard cable.
- Replace the keyboard.
- Replace the system board.
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Figure 9: Num Lock Flashing, Caps Lock Off, Scroll Lock Flashing | The USB controller encountered a problem during initialization. | - Remove any USB devices.
- Replace the system board.
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Figure Num Lock On, Caps Lock Flashing, Scroll Lock Flashing | No SODIMMs are installed. | - Install the memory modules.
- Reseat the memory modules.
- Replace the memory modules.
- Replace the system board.
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Figure Num Lock Flashing, Caps Lock On, Scroll Lock Flashing | The LCD encountered a problem during initialization. | - Reseat the LCD cable.
- Replace the LCD panel.
- Replace the video card.
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Figure Num Lock Off, Caps Lock Flashing, Scroll Lock Flashing | The modem is preventing the computer from completing POST. | - Reseat the modem.
- Replace the modem.
- Replace the system board.
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