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Lenovo ThinkPad T420 4177 Hardware Maintenance Manual Manual pdf 1 page image

Lenovo ThinkPad T420 4177 Hardware Maintenance Manual

Also see for ThinkPad T420s: Deployment guideDeployment guideGuía de despliegueGuide de déploiementGuida alla distribuzione

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Contents
  1. Table Of Contents
  2. Table Of Contents
  3. about this manual
  4. Chapter 1. Safety information
  5. electrical safety
  6. safety inspection guide
  7. grounding requirements
  8. Chapter 2. Important service information
  9. Strategy for replacing a hard disk drive
  10. products
  11. Chapter 3. General checkout
  12. Checkout guide
  13. testing the computer
  14. Lenovo ThinkVantage Toolbox
  15. Power system checkout
  16. Checking operational charging
  17. Chapter 4. Related service information
  18. Passwords
  19. How to remove the hard-disk password
  20. hibernation mode
  21. numeric error codes
  22. error messages
  23. LCD-related symptoms
  24. Intermittent problems
  25. Chapter 5. Status indicators
  26. Chapter 6. Fn key combinations
  27. Chapter 7. FRU replacement notices
  28. Restoring the serial number of the system unit
  29. Reading or writing the ECA information
  30. Before servicing ThinkPad T420s and T420si models
  31. Battery pack
  32. Serial Ultrabay Slim device or travel bezel
  33. DIMM
  34. PCI Express Mini Card for wireless LAN
  35. PCI Express Mini Card for wireless WAN
  36. Keyboard
  37. Backup battery
  38. reader, and speaker
  39. LCD unit
  40. DC-in sub card
  41. Removal steps of dc-in sub card
  42. Bluetooth-wireless radio switch FPC
  43. ExpressCard reader, and base cover
  44. LCD bezel assembly
  45. LCD panel
  46. Integrated camera, microphone, or hall sensor card
  47. LED sub card
  48. LCD cable
  49. Hinge kit
  50. LED cable
  51. Antenna kit and LCD rear cover assembly
  52. Chapter 9. Locations
  53. Rear view
  54. Chapter 10. Parts list
  55. Overall
  56. LCD FRUs
  58. Miscellaneous parts
  59. AC adapters
  60. Recovery discs
  61. Windows XP Professional Generic (32 bit DVDs
  62. Windows Vista Home Basic (32 bit) DVDs
  63. Windows 7 Home Basic (32 bit) DVDs
  64. Windows 7 Home Premium (64 bit) DVDs
  65. Windows 7 Professional (32 bit) DVDs
  66. Common service tools
  67. Appendix A. Notices
  68. Electronic emissions notices
Lenovo ThinkPad T420 4177 Hardware Maintenance Manual Manual pdf 1 page image
Hardware Maintenance ManualThinkPad T420s and T420si
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This manual is suitable for:
ThinkPad T420sThinkPad T420siThinkPad T420 4177ThinkPad T420s 4170ThinkPad T420s 4171
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