Lenovo K220 Hardware Maintenance Manual for K220 - Page 38
Power Supply Problems
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Chapter 6. Symptom-to-FRU Index Error The boot sector on the start-up drive is corrupted. The drive is defective. FRU/Action The drive must be formatted do the following: 1. Attempt to back-up the data on the failing hard disk drive. 2. Using the operating systems programs format the hard disk drive. Replace the hard disk drive. Power Supply Problems If you suspect a power problem, use the following procedures. Check/Verify FRU/Action Check the following for proper Reseat connectors installation. •• Power Cord •• On/Off Switch connector •• On/Off Switch Power Supply connector •• System Board Power Supply connectors •• Microprocessor(s) connection Check the power cord for continuity. Power Cord Check the power-on switch for Power-on Switch continuity. 35