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3 Troubleshooting Your PC
If Your PC Does Not Start Properly
46 English
Check Internal Items If the PC still does not start properly, follow this procedure to check the
internal items:
1 Turn off the display, the computer, and all external devices.
2 Unplug all power cords and cables, noting their positions. Disconnect
the PC from any telecommunications network.
3 Remove the cover.
4 Check the following items:
5 Replace the cover.
6 Reconnect all cables and power cords.
7 Turn on the display and computer.
Rebuild Your PC’s
Components
If your PC still does not start properly, remove all boards and
accessories, except the hard disk drive. Start the PC. If the PC now
works, add the boards and accessories one at a time to determine which
one is causing the problem.
Action Reference
Check all internal cables. Ensure they are correctly attached and firmly in place.
Check that the processor is
correctly installed.
Refer to “Installing an OverDrive Processor” on page 40.
Check that the processor speed
switches have been set correctly.
Refer to “System Board Switches” on page 63.
Check that the memory modules
are correctly installed.
Refer to “Installing Memory” on page 21.
Check that accessory boards are
firmly seated in their slots.
Refer to “Installing Accessory Boards” on page 35.
Verify that any switches and
jumpers on the accessory boards
are properly set.
Refer to the manuals that came with each board.
Check that the switches on the
system board are properly set.
Refer to “System Board Switches” on page 63.