Manual for 4105, 4155, 4157, 4158, 4217, and 4218

Manual for 4105, 4155, 4157, 4158, 4217, and 4218

Brand: Lenovo

Category: Desktop Computer

Document Type: Manual

Language: EN

Available Languages: EN , ES

Uploaded: Nov. 21, 2025, 9:14 p.m.

Manual Publish Date: 2010-02-01

Warranty Information

Refer to the 'Notices' section for warranty information and disclaimers.

This manual provides service and reference information for ThinkStation computers. It is intended for trained servicers familiar with Lenovo products.

Before servicing, read the Safety Information in Chapter 2. The Symptom-to-FRU Index and Additional Service Information chapters apply to all ThinkStation computers.

Key sections include:

  • Safety Information: General, electrical, ESD, and grounding requirements.
  • General Information: Welcome, resources, and specifications.
  • General Checkout: Problem determination tips.
  • Diagnostics: Using Lenovo System Toolbox and PC-Doctor.
  • Setup Utility: Navigating and changing settings.
  • Installing Hard Disk Drives: For different machine types and RAID configuration.
  • Symptom-to-FRU Index: Troubleshooting symptoms to find FRUs.
  • Replacing FRUs: Step-by-step instructions for various components.
  • Additional Service Information: Security features, BIOS, and power management.
  • Notices: Legal and trademark information.

Troubleshooting and error codes

SymptomFRU
Hard disk drive boot errorSee Chapter 9. Symptom-to-FRU Index.
Power Supply ProblemsSee Chapter 9. Symptom-to-FRU Index.
Diagnostic error codesSee Chapter 9. Symptom-to-FRU Index.
Beep symptomsSee Chapter 9. Symptom-to-FRU Index.
POST error codesSee Chapter 9. Symptom-to-FRU Index.
Miscellaneous error messagesSee Chapter 9. Symptom-to-FRU Index.
Undetermined problemsSee Chapter 9. Symptom-to-FRU Index.
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