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| Troubleshooting |
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| Display problems |
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| Symptom |
| Possible solution | |
| There is nothing visi- | • | Check the power cable and power adapter are well connected. | |
| ble on the screen. |
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| • | Check the Power button indicator. | ||
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| - If the indicator does not light up, your computer is not being | |
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| supplied power from an external power source via the power | |
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| adapter. Check the connection between your computer, the | |
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| power adapter, and the nearby outlet. | |
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| - If the indicator flashes in blue, your computer has entered | |
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| Sleep mode. Move your mouse or click any button on the key- | |
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| board to wake the system. | |
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| - If the Power button indicator lights up in blue, the computer is | |
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| being supplied normally with power. Reconnect the power | |
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| adapter and restart the system. | |
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| • | Check if the LCD display power indicator stays in blue. | |
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| - If the indicator flashes white, your monitor has entered Sleep | |
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| mode. Press the Power button on the front panel to turn on | |
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| the screen. | |
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| • | Check if the brightness level of the display is adjusted | |
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| correctly, and is not set too low or too high. Use the | |
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| Brightness control by pressing the Brightness/Increase or | |
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| Decrease buttons on the front panel to adjust the brightness | |
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| level. | |
| The images on the | • | Press the | |
| screen are too large or |
| computer. | |
| too small, or the |
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| • | Check if the monitor is running at its native resolution. | ||
| images are blurred. |
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| In the opened window, set the Resolution to 1920 x 1080, | |
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| and then click Apply and OK to complete the settings. | |
| The images on the | • | Press the | |
| screen are too bright |
| computer. | |
| or too dark. |
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| • | Check if the brightness level of the display is adjusted | ||
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| correctly, and is not set too low or too high. Use the | |
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| Brightness control by pressing the Brightness/Increase or | |
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| Decrease buttons on the front panel to adjust the brightness | |
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| level. |
SN22A1 | 50 |