Lenovo ThinkPad 570E English - Hardware Maintenance Manual for 570 systems - Page 36

Checkout guide, If the voltage is correct, replace the system board.

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Checkout guide If the voltage is correct, replace the system board. If the voltage is not correct, replace the backup battery. If the backup battery discharges quickly after replacement, replace the system board. 32 ThinkPad 570 and 570E Hardware Maintenance Manual

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Checkout guide
±
If the voltage is correct, replace the system board.
±
If the voltage is not correct, replace the backup
battery.
±
If the backup battery discharges quickly after
replacement, replace the system board.
32
ThinkPad 570 and 570E Hardware Maintenance
Manual