Troubleshooting Motherboards

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Troubleshooting Motherboards : 

Troubleshooting Motherboards 4

Typical Causes of Problems : 

Typical Causes of Problems Lightning damage. High-voltage surge damage.

No Power Symptoms : 

No Power Symptoms Check the following: Power source. Power supply unit. For loose connections. If CPU is fully seated. If expansion cards are fully seated. If memory modules are fully seated.

Built-In I/O Problems : 

Built-In I/O Problems Check CMOS Setup program settings. Run diagnostic software. Perform loopback tests on parallel ports and COM ports.

Fault Digresses When Cover Is Removed : 

Fault Digresses When Cover Is Removed Check for pinched cables or loose connections.

Upgrading the Flash BIOS : 

Upgrading the Flash BIOS Visit manufacturer’s Web site. Read all information pertaining to upgrading the Flash BIOS. Follow the manufacturer’s instructions for upgrading the Flash BIOS.

Review : 

Review What are some things to check if a system doesn’t power on? Power source. Power supply unit. Loose connections. If the CPU is fully seated. If the expansion cards are fully seated. If memory modules are fully seated.

Review : 

Review What procedures should you follow for upgrading a flash BIOS? You should follow the procedures listed on the manufacturer’s Web site.

Review : 

Review What are some things you can do to troubleshoot problems with built-in devices and I/O? Check the CMOS Setup program settings. Run diagnostic software. Perform loopback tests on parallel ports and COM ports.