ContentsChapter 1. Important safetyinformation . . . . . . . . . . . . . . . . 1General safety . . . . . . . . . . . . . . . . 1Electrical safety . . . . . . . . . . . . . . . . 2Safety inspection guide . . . . . . . . . . . . . 3Handling electrostatic discharge-sensitivedevices . . . . . . . . . . . . . . . . . . . 4Grounding requirements . . . . . . . . . . . . 4Safety notices (multi-lingual translations) . . . . . . 4Chapter 2. Important serviceinformation . . . . . . . . . . . . . . . 27Strategy for replacing FRUs . . . . . . . . . . 27Strategy for replacing a hard disk drive or asolid-state drive . . . . . . . . . . . . . 27Important notice for replacing a systemboard . . . . . . . . . . . . . . . . . 27How to use error codes . . . . . . . . . . 28Strategy for replacing FRUs for CTO, special-bid,and standard models. . . . . . . . . . . . . 28Product definition . . . . . . . . . . . . 28FRU identification . . . . . . . . . . . . 28Chapter 3. Product overview . . . . . 29Front . . . . . . . . . . . . . . . . . . . 29Rear . . . . . . . . . . . . . . . . . . . 30Chapter 4. Service checkout andsymptom-to-FRU index . . . . . . . . 31Service checkout . . . . . . . . . . . . . . 31Problem determination tips . . . . . . . . 31Symptom-to-FRU index . . . . . . . . . . . 32Hard disk drive boot error . . . . . . . . . 32Power supply problems . . . . . . . . . . 33Beep symptoms . . . . . . . . . . . . . 33POST error codes . . . . . . . . . . . . 34Miscellaneous error conditions . . . . . . . 34Undetermined problems . . . . . . . . . 36Chapter 5. RAID . . . . . . . . . . . . 39What is RAID . . . . . . . . . . . . . . . . 39RAID Level . . . . . . . . . . . . . . . . . 39Configure the system BIOS to enable RAIDfunctionality . . . . . . . . . . . . . . . . 39Configure RAID in UEFI mode . . . . . . . . . 40Chapter 6. Diagnostics . . . . . . . . 41Basic procedure for resolving computerproblems . . . . . . . . . . . . . . . . . 41UEFI diagnostic program . . . . . . . . . . . 41Lenovo diagnostic tools . . . . . . . . . . . 42The Vantage app . . . . . . . . . . . . . . 42Self-help resources . . . . . . . . . . . . . 42Chapter 7. Hardware removal andinstallation . . . . . . . . . . . . . . . 45Handling static-sensitive devices . . . . . . . . 45Service tool kit . . . . . . . . . . . . . . . 45Major FRUs and CRUs . . . . . . . . . . . . 46System board . . . . . . . . . . . . . . . 50Internal storage drives . . . . . . . . . . . . 52Removing and installing hardware . . . . . . . 53External options . . . . . . . . . . . . . 53Computer cover . . . . . . . . . . . . . 53Optical drive . . . . . . . . . . . . . . 54Front bezel . . . . . . . . . . . . . . . 55Primary hard disk drives. . . . . . . . . . 563.5-inch primary hard disk drive cage . . . . 61PCI-Express card . . . . . . . . . . . . 62Graphics card fan . . . . . . . . . . . . 63Graphics card holder . . . . . . . . . . . 64Graphics card. . . . . . . . . . . . . . 65M.2 solid-state drive and heat sink . . . . . 69M.2 solid-state drive bracket . . . . . . . . 73Optical drive cage . . . . . . . . . . . . 74Secondary hard disk drives . . . . . . . . 75Storage drive in the front-access storageenclosure . . . . . . . . . . . . . . . 76Front fan . . . . . . . . . . . . . . . . 82Rear fan . . . . . . . . . . . . . . . . 83Heat-sink-and-fan assembly . . . . . . . . 84Chassis beam. . . . . . . . . . . . . . 88Memory module . . . . . . . . . . . . . 89Power supply assembly . . . . . . . . . . 91Coin-cell battery. . . . . . . . . . . . . 92E-lock . . . . . . . . . . . . . . . . . 92Front I/O bracket, power button cable, andcard reader . . . . . . . . . . . . . . . 93Flexible I/O board . . . . . . . . . . . . 95Internal speaker . . . . . . . . . . . . . 95Wi-Fi card . . . . . . . . . . . . . . . 96Front Wi-Fi antenna . . . . . . . . . . . 96Rear Wi-Fi antenna. . . . . . . . . . . . 97ThinkStation LED . . . . . . . . . . . . 99Thermal sensor . . . . . . . . . . . . . 100Cover presence switch cable and bracket . . . 101Microprocessor . . . . . . . . . . . . . 102System board . . . . . . . . . . . . . . 103© Copyright Lenovo 2022 i