Computer appears locked up and will not turn off when the power button is pressed.
Cause | Solution |
Software control of the power switch is not functional.
1.Press and hold the power button for at least five seconds until the computer turns off.
2.Disconnect the power cord from the electrical outlet.
Computer shuts down automatically.
Cause |
| Solution |
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Thermal protection has been activated. | 1. | The computer might be in an exceedingly hot |
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| environment. Let it cool down. |
| 2. | Clean the air vents on the front, back, or any other |
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| vented side of the computer. |
| 3. | Ensure that there is a 10.2 cm (4 in) clearance on all |
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| vented sides of the computer to permit the required |
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| airflow. |
| 4. | Ensure that computers are not stacked on top of each |
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| other or so near each other that they are subject to each |
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| other's |
| 5. | If the computer is within an enclosure, ensure that there is |
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| proper intake and exhaust ventilation for the enclosure. |
| 6. | If a message appears on the screen indicating that a fan |
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| is not working, replace the fan. |
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Computer will not respond to USB keyboard or mouse. |
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Cause |
| Solution |
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Computer is in standby mode. | To resume from standby mode, press the power button or | |
| press any key. | |
| CAUTION: When attempting to resume from standby | |
| mode, do not hold down the power button for more than four | |
| seconds. Otherwise, the computer will shut down and you will | |
| lose any unsaved data. | |
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Computer date and time display is incorrect. |
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Cause |
| Solution |
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RTC | First, reset the date and time under Control Panel | |
NOTE: Connecting the computer to a live AC outlet | (Computer Setup can also be used to update the RTC date | |
prolongs the life of the RTC battery. | and time). If the problem persists, replace the RTC battery. | |
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