Power
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Problem | Incorrect power voltage | • Adjust the voltage settings. Ensure | ||
| Possible Cause | Action | ||
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| • | Set your computer’s power voltage |
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| switch to your area’s power |
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| requirements. |
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| that the power cord is unplugged |
| No power |
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| from the power outlet. |
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| Press the power key on the front panel | ||
| (The power | Your computer is not | ||
| to ensure that your computer is turned | |||
| indicator is off) | turned on. | ||
| on. | |||
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| Your computer’s power | • | Ensure that the power cord is |
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| cord is not properly |
| properly connected. |
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| connected. | • | Use other compatible power cord. |
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| PSU (Power supply unit) | Try installing another PSU on your | |
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| problems | computer. | |
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| Display |
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| Problem | Possible Cause | Action | |
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| • | Connect the signal cable to the |
| No display | The signal cable is |
| correct display port (onboard VGA or |
| not connected to the |
| discrete VGA port). | |
| output after | correct VGA port on your | • | If you are using a discrete VGA |
| turning the | computer. |
| card, connect the signal cable to the |
| computer on |
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| discrete VGA port. |
| (Black screen) |
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| Signal cable problems | Try connecting to another monitor. | ||
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66 | Chapter 7: Troubleshooting |