Monitor problems
Some monitors have their own
vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.
vSee the parts listing in the Hardware Maintenance Manual to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.
Symptom | Action | ||
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Testing the monitor | 1. | Make sure that the monitor cables are firmly connected. | |
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| 2. | Try using a different monitor on the server, or try testing the monitor on a | |
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| different server. | |
| 3. | Run the diagnostic programs (see the Hardware Maintenance Manual ). If the | |
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| monitor passes the diagnostic programs, the problem might be a video device | |
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| driver. | |
| 4. | (Trained service technician only) Replace the system board. | |
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The screen is blank. | 1. | If the server is attached to a KVM switch, bypass the KVM switch to eliminate it | |
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| as a possible cause of the problem: connect the monitor cable directly to the | |
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| correct connector on the rear of the server. | |
| 2. | Make sure that: | |
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| v The server is turned on. If there is no power to the server, see “Power | |
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| problems” on page 53. | |
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| v The monitor cables are connected correctly. | |
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| v The monitor is turned on and the brightness and contrast controls are | |
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| adjusted correctly. | |
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| v Only a single beep sounds when the server is turned on. | |
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| Important: In some memory configurations, the | |
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| during POST, followed by a blank monitor screen. If this occurs and the Boot | |
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| Fail Count option in the Start Options of the Configuration/Setup Utility | |
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| program is enabled, you must restart the server three times to reset the | |
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| configuration settings to the default configuration (the memory connector or | |
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| bank of connectors is enabled). | |
| 3. | Make sure that the correct server is controlling the monitor, if applicable. | |
| 4. | Make sure that damaged BIOS code is not affecting the video; see “Recovering | |
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| from BIOS update failure” in the Hardware Maintenance Manual . | |
| 5. | See “Solving undetermined problems” in the Hardware Maintenance Manual . | |
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The monitor works when you | 1. | Make sure that: | |
turn on the server, but the | |||
| v The application program is not setting a display mode that is higher than the | ||
screen goes blank when you |
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| capability of the monitor. | ||
start some application |
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| v You installed the necessary device drivers for the application. | ||
programs. |
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| 2. | Run video diagnostics (see the Hardware Maintenance Manual ). | |
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| v If the server passes the video diagnostics, the video is good; see “Solving | |
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| undetermined problems” in the Hardware Maintenance Manual . | |
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| v (Trained service technician only) If the server fails the video diagnostics, | |
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| replace the system board. | |
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50ThinkServer RS110 Types 6435, 6436, 6437, and 6438: Installation Guide