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Lenovo
a58e 0841
Manual Suplementar
Lenovo a58e 0841 Manual Suplementar
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Contents
Chapter 1. About this manual
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Important Safety Information .
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Important information about replacing RoHS
compliant FRUs .
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Turkish statement of compliance .
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Chapter 2. Safety information . . . . . 3
General safety .
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Electrical safety
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Voltage-selection switch.
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Safety inspection guide .
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Handling electrostatic discharge-sensitive devices .
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Grounding requirements .
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Safety notices (multi-lingual translations) .
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Chapter 3. General information . . . . 39
Additional information resources .
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Specifications .
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Chapter 4. General Checkout . . . . . 41
Problem determination tips .
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Chapter 5. Diagnostics . . . . . . . . 43
Lenovo System Toolbox .
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PC-Doctor for DOS .
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Creating a diagnostic disc
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Running the diagnostic program from a
diagnostic disc .
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Navigating through the diagnostics programs .
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Running tests.
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Viewing the test log
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Chapter 6. Using the Setup Utility . . . 47
Starting the Setup Utility program .
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Viewing and changing settings .
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Using passwords
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Password considerations .
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Set User Password .
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Set Supervisor Password .
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Setting, changing, and deleting a password .
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Enabling or disabling a device .
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Selecting a startup device.
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Selecting a temporary startup device .
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Selecting or changing the startup device sequence 49
Exiting from the Setup Utility program .
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Chapter 7. Symptom-to-FRU Index . . . 51
Hard disk drive boot error .
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Power Supply Problems .
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Diagnostic error codes .
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Beep symptoms .
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POST error codes
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Miscellaneous error messages .
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Undetermined problems .
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Chapter 8. Replacing FRUs (Type 0841) 79
Locations .
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Rear connectors .
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Computer components
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System board connectors .
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Removing the computer cover .
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Removing and reinstalling the front bezel .
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Replacing the power supply assembly
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Replacing the system board .
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Replacing the heat sink and fan assembly .
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Replacing the microprocessor .
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Replacing a memory module
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Replacing the hard disk drive .
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Replacing the optical drive .
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Replacing the front audio/USB assembly .
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Replacing the battery .
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Completing the FRU replacement
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Chapter 9. FRU lists
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Machine Type 0841
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Chapter 10. Additional Service
Information . . . . . . . . . . . . 113
Security features .
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Hardware controlled Passwords .
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Operating system password
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Vital product data .
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BIOS levels .
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Flash update procedures.
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Updating (flashing) BIOS from a disc .
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Updating (flashing) BIOS from your operating
system.
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Recovering from a POST/BIOS update failure
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Power management .
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Automatic configuration and power interface
(ACPI) BIOS .
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Automatic Power-On features .
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Appendix. Notices . . . . . . . . . 117
Television output notice .
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Trademarks .
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. 118
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