106 Installation and Service Guide
Troubleshooting
• All replaceable parts are:
• Present
• Properly aligned
• Installed securely
• Installed on the appropriate site
• The correct part for the system
• Not visibly damaged
• Chassis and contents have not been tampered with (no unauthorized
additions or changes have been made).
• Chassis does not contain any foreign objects.
Chassis, page 49
• Motherboard, including components and traces, appears undamaged
and no foreign objects are evident.
• Each CPU is present, installed in the correct connector, well-seated,
and appears undamaged.
• Each CPU cooling unit is well-aligned and firmly attached.
• Each fan (including fan cable) is well-positioned, installed in the
correct connector, and appears undamaged.
• Boards required on the motherboard are present, well-seated, and in
the correct slots.
• Battery is installed.
Motherboard (with motherboard replacement
dongle), page 57.
Important: When replacing the motherboard,
carefully review the cautions on page 61.
• DIMM is well-seated and installed in the correct slot.
• DIMM connectors are not oxidized (reseating removes oxidation).
DIMM for E-35A, page 67.
Printer interface board is:
• Present
• Installed in the correct slot
• Well-seated
• Not visibly damaged
Required cables (if applicable) is:
• Present
• Firmly connected in the correct connectors
• Not visibly damaged
Printer interface board assembly, page 56.
CPU is:
• Present
• Well-seated
• Not visibly damaged
All fan and ribbon cables on the board are:
• Present
• Firmly connected in the correct connectors
• Not visibly damaged
CPU with cooling assembly, page 68
Conditions to verify Part and additional page references