Lenovo 21FV000VGE Notebook Core i7 Manuals

Manuals and User Guides for Lenovo 21FV000VGE Notebook Core i7. We have 1 Lenovo 21FV000VGE Notebook Core i7 manual available for free PDF download: Hardware Maintenance Manual

Lenovo 21FV000VGE Hardware Maintenance Manual

Lenovo 21FV000VGE Hardware Maintenance Manual (100 pages)

Brand: Lenovo | Category: Laptop | Size: 42.64 MB

Table of Contents

Table of Contents
3
About this Manual
5
Chapter 1. Safety Information

7
Chapter 2. Important Service Information

25
Chapter 3. General Checkout

29
- What to Do First
  29
- Checkout Guide
  30
- Diagnosing Problems
  30
- Quick Test Programs
  31
- UEFI Diagnostic Program
  31
- Bootable Diagnostic Programs
  32
- Power System Checkout
  32
- Checking the Ac Power Adapter
  33
- Checking the Battery and Operational Charging
  33
- Checking the Coin-Cell Battery
  33
Chapter 4. Related Service Information

35
- Reset or Restore Windows
  35
- Passwords
  35
- Power-On Password
  35
- Nvme Password
  35
- Supervisor Password
  36
- System Management Password
  36
- How to Remove the Power-On Password
  36
- How to Remove the Nvme Password
  37
- How to Remove the System Management Password
  37
- Power Management
  38
- Sleep Mode
  38
- Hibernation Mode
  39
- Symptom-To-FRU Index
  39
- Numeric Error Codes
  40
- Error Messages
  41
- Beep Errors
  41
- No-Beep Symptoms
  43
- LCD-Related Symptoms
  43
- Intermittent Problems
  44
- Undetermined Problems
  44
Chapter 5. Use the Keyboard Shortcuts

47
Chapter 6. Locations

49
- Computer Controls, Connectors, and Indicators
  49
- Front View
  49
- Side View
  51
- Bottom View
  52
- Locating Frus and Crus
  52
- Major Frus
  54
- Miscellaneous Parts and Other Frus
  56
- Connector and Cable Guide
  56
- Looking up FRU Information
  60
Chapter 7. FRU Replacement Notices

61
- Service Tool Kit
  61
- Screw Notices
  61
- Retaining Serial Numbers
  62
- Restoring the Serial Number of the System Unit
  62
- Retaining the UUID
  63
- Reading or Writing the ECA Information
  64
Chapter 8. Removing or Replacing a FRU

65
Appendix A. Notices

97

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