Troubleshooting
CSA7404B, TDS7704B, TDS7404B, TDS7254B & TDS7154B Service Manual
6-71
If the display adapter is bad, the BIOS should report it using beep codes (see
Table 6--11, on page 6--81).
If nothing is displayed, is the display turned on? At boot time and while using an
external monitor connected to the MicroATX external video port, press F2 to
enter the BIOS setup. The Advanced Video Configuration menu lets you select
PCI (LCD) or Integrated (the MicroATX VIDEO port on the rear panel). The
lower VGA port on the rear panel is the PCI video port (driven by the same
video controller as the LCD).
If the instrument will not boot, run the CMOS restore utility (see Update/Restore
the MicroATX Board CMOS on page 6--86).
If booting starts, finds the hard disk, but hangs displaying the Windows splash
screen:
1. Select the Integrated video port using the setup menu.
2. Disable the busses and disconnect the PPC board by installing J114 and
J115.
3. If the system boots (It will only boot to Windows, the instrument application
will not run) to the external MicroATX video port, replace the PPC board.
If the instrument boots into Windows, but the instrument application does not
work (the DPO Man graphic is displayed), check the following:
1. The application software.
2. The Acquisition board.
3. The PPC board.
4. The Bridge board (try removing and reinstalling the Bridge board).
5. Did someone exit the application using the Task Manager and then try to
reenter the application without rebooting?
6. Set Diagnostic Selection DIP switch 2 to off (see Dip Switch Controls on
page 6--82 for more information), reboot; check the Diagnostic LED (see
page 6--83 for more information).
7. If the relays click, the acquisition is running.
8. Check the desktop properties (right click on the desktop and select Proper-
ties). On the Settings tab, 16 bit is required. Video merge will not work with
other settings. If you change the setting, reboot.
Booting Into Windows
If the Instrument
Application Does Not
Work
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