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Acer TravelMate 4220 Service Manual

Also see for Aspire 5600: User guideGuía del usuarioManuel d'utilisationManual do utilizador

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Contents
  1. revision history
  2. Features
  3. Table Of Contents
  4. system specifications
  5. Block Diagram
  6. TM 4220/2480 Outlook View
  7. front view
  8. left view
  9. rear view
  10. bottom view
  11. Aspire 5600 Outlook View
  12. Indicators
  13. Touchpad
  14. Using the Keyboard
  15. windows keys
  16. special keys
  17. the euro symbol
  18. Using the System Utilities
  19. launch manager
  20. Acer Empowering Technology
  21. acer elock management
  22. acer eperformance management
  23. acer erecovery management
  24. acer esettings management
  25. acer enet management
  26. acer epower management
  27. acer epresentation management
  28. Hardware Specifications and Configurations
  29. power management
  30. BIOS Setup Utility
  31. BIOS Password Removal
  32. machine disassembly and replacement
  33. General Information
  34. Disassembly Procedure Flowchart
  35. Removing the Adapter and Battery Pack
  36. Removing the TV Tuner, Heatsink Module, CPU, and HDD Module
  37. removing the hdd module
  38. Removing the Memory and Wireless Card
  39. Removing the Bluetooth Module
  40. Disassembling the Main Unit into Upper Case and Lower Case
  41. Disassembling the LCD Module
  42. Reassembling the LCD Module
  43. HDD disassembly & Reassembly
  44. ODD disassembly & Reassembly
  45. Main Unit Reassembly
  46. reassembling the hdd
  47. troubleshooting
  48. System Check Procedures
  49. power system check
  50. check the battery pack
  51. Power-On Self-Test (POST) Error Message
  52. Index of Error Messages
  53. Phoenix BIOS Beep Codes
  54. Index of Symptom-to-FRU Error Message
  55. Intermittent Problems
  56. Undetermined Problems
  57. Top View
  58. Bottom View
  59. Exploded Diagram
  60. Part List
Acer TravelMate 4220 Service Manual Manual pdf 109 page image
100 Chapter 4Intermittent ProblemsIntermittent system hang problems can be caused by a variety of reasons that have nothing to do with ahardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacementshould be considered only when a recurring problem exists.When analyzing an intermittent problem, do the following:1. Run the diagnostic test for the system board in loop mode at least 10 times.2. If no error is detected, do not replace any FRU.3. If any error is detected, replace the FRU. Rerun the test to verify that there are no more errors.
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This manual is suitable for:
Aspire 5600ASPIRE Aspire 3680TravelMate 2480TravelMate 4220 Series
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