• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See Chapter 8 “Parts listing, TD200 Machine Types 3724, 3808, 3809, 3815, 3817, 3824, 3826, 3836” on page
257 to determine which components are customer replaceable units (CRU) and which components are
field replaceable units (FRU).
• If an action step is preceded by “(Trained service technician only),” that step must be performed only by
a trained service technician.
Symptom
Action
The screen is blank.
1. Make sure that:
• The server is turned on. If there is no power to the server, see “Power
problems” on page 63.
• The monitor cables are connected correctly.
• The monitor is turned on and the brightness and contrast controls are adjusted
correctly.
Important:
In some memory configurations, the 3-3-3 beep code might sound
during POST, followed by a blank monitor screen. If this occurs and the
Boot
Fail Count
option in the
Start Options
of the Setup utility program is enabled,
you must restart the server three times to reset the configuration settings to the
default configuration (the memory connector or bank of connectors enabled).
2. Make sure that the correct server is controlling the monitor, if applicable.
3. Make sure that damaged server firmware is not affecting the video; see
“Recovering the server firmware” on page 307.
4. See “Solving undetermined problems” on page 127.
The monitor works when
you turn on the server, but
the screen goes blank when
you start some application
programs.
1. Make sure that:
• The application program is not setting a display mode that is higher than
the capability of the monitor.
• You installed the necessary device drivers for the application.
2. Run video diagnostics (see “Running the diagnostic programs” on page 70).
• If the server passes the video diagnostics, the video is good; see “Solving
undetermined problems” on page 127.
• (Trained service technician only) If the server fails the video diagnostics,
replace the system board.
60
ThinkServer TD200 Hardware Maintenance Manual
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