Hardware Maintanence Manual
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... board 17 Important information about replacing RoHS compliant FRUs 18 General checkout 19 What to do first 20 Power system checkout 21 Checking the AC adapter 21 Checking operational charging 21 Checking the battery pack 22 Related service information 23 Restoring the factory contents ... 23 Supplemental Recovery Disc 23 Passwords 24 Power-on password 24 Hard-disk password 24 Supervisor password 24 Power management 25 Screen blank state 25 Putting your computer into sleep state or shutting it down 25 Lenovo IdeaPad S400 26 Specifications 26 Status indicators 28 Hotkeys 30...
... board 17 Important information about replacing RoHS compliant FRUs 18 General checkout 19 What to do first 20 Power system checkout 21 Checking the AC adapter 21 Checking operational charging 21 Checking the battery pack 22 Related service information 23 Restoring the factory contents ... 23 Supplemental Recovery Disc 23 Passwords 24 Power-on password 24 Hard-disk password 24 Supervisor password 24 Power management 25 Screen blank state 25 Putting your computer into sleep state or shutting it down 25 Lenovo IdeaPad S400 26 Specifications 26 Status indicators 28 Hotkeys 30...
Hardware Maintanence Manual
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.... 5. See the following : • Replace the system board. • If the problem persists, go to "Lenovo IdeaPad S400" on the computer. Disconnect the AC adapter and install the charged battery pack. 7. Connect the AC adapter. 4. If the voltage is acceptable, do the following figure: Pin Voltage (V DC) 1 +20 2 0 ...a battery pack that the battery pack supplies power when you are here because the computer fails only when the AC adapter is used. • If the power-on indicator does not turn on, check the power cord of the AC adapter cable. If the voltage is not correct...
.... 5. See the following : • Replace the system board. • If the problem persists, go to "Lenovo IdeaPad S400" on the computer. Disconnect the AC adapter and install the charged battery pack. 7. Connect the AC adapter. 4. If the voltage is acceptable, do the following figure: Pin Voltage (V DC) 1 +20 2 0 ...a battery pack that the battery pack supplies power when you are here because the computer fails only when the AC adapter is used. • If the power-on indicator does not turn on, check the power cord of the AC adapter cable. If the voltage is not correct...
Hardware Maintanence Manual
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Lenovo IdeaPad S400 Hardware Maintenance Manual Bottom and Right-side view a AC power adapter jack b USB 2.0 port c Combo audio jack d Memory card slot e Battery latch -manual f Battery latch -spring loaded g Battery pack h Louvers i Speakers f h g e a b b c d i 56
Lenovo IdeaPad S400 Hardware Maintenance Manual Bottom and Right-side view a AC power adapter jack b USB 2.0 port c Combo audio jack d Memory card slot e Battery latch -manual f Battery latch -spring loaded g Battery pack h Louvers i Speakers f h g e a b b c d i 56
Hardware Maintanence Manual
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Lenovo IdeaPad S400 Hardware Maintenance Manual Parts list This section presents the following service parts: • "Overall" on page 59 • "LCD FRUs" on page 63 • "Keyboard" on page 65 • "Miscellaneous parts" on page 73 • "AC adapters" on page 74 • "Power cords" on page 75 Notes: • Each FRU is available for all types or models, unless specific types or models are specified. 58
Lenovo IdeaPad S400 Hardware Maintenance Manual Parts list This section presents the following service parts: • "Overall" on page 59 • "LCD FRUs" on page 63 • "Keyboard" on page 65 • "Miscellaneous parts" on page 73 • "AC adapters" on page 74 • "Power cords" on page 75 Notes: • Each FRU is available for all types or models, unless specific types or models are specified. 58