
Table 4-3 Display problems (continued)
Problem | Cause | Solution |
Power LED flashes red 6 times | |
(once every second), followed by a |
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computer beeps 6 times. |
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For systems with a graphics card:
1.Reseat the graphics card.
2.If the card requires external power, make sure the power cable is properly connected.
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| 3. Replace the graphics card. |
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| 4. Replace the system board. |
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| For systems with no graphics card installed, the CPU may |
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| have no integrated graphics capability. |
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Monitor does not function when | Monitor without Energy Saver | Disable the monitor Energy Saver feature. |
used with Energy Saver features. | capabilities is being used with |
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| Energy Saver features |
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| enabled. |
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Dim characters | The brightness and contrast | Adjust the monitor brightness and contrast controls. |
| controls are not set properly. |
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| Cables are not properly | Verify that the graphics cable is connected to the graphics |
| connected. | card and the monitor. |
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Blurry video or requested | If the graphics controller was | Install the video drivers included in the upgrade kit, or |
resolution cannot be set. | upgraded, the correct video | download and install the latest drivers for your graphics |
| drivers might not be loaded. | card from http://welcome.hp.com/country/us/en/ |
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| support.html. |
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| Monitor cannot display | Change the requested resolution. |
| requested resolution. |
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The picture is broken up, rolls, jitters, or flashes.
The monitor connections might be faulty, or the monitor might be incorrectly adjusted.
1.Be sure the monitor cable is securely connected to the computer.
2.In a multiple CRT monitor system, ensure that the monitors' electromagnetic fields are not interfering with each other . Move them apart if necessary.
3.Move fluorescent lights or fans that are too close to the CRT monitor.
| Monitor must be degaussed. | Degauss the monitor. |
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Vibrating or rattling noise coming | Monitor degaussing coil has | None. It is normal for the degaussing coil to be activated |
from inside a CRT monitor when | been activated. | when the monitor is powered on. |
powered on. |
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Clicking noise coming from inside | Electronic relays have been | None. It is normal for some monitors to make a clicking |
a CRT monitor. | activated inside the monitor. | noise when turned on and off, when going in and out of |
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| Standby mode, and when changing resolutions. |
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High pitched noise coming from | Brightness and contrast | Lower brightness and contrast settings. |
inside a | settings are too high. |
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