Hardware Maintenance Manual - Lenovo N21 Chromebook
Page 26
... non-supported device • Forgotten computer password (making the computer unusable) • Sticky keys caused by spilling a liquid onto the keyboard • Use of an incorrect ac power adapter on laptop products The following symptoms might indicate damage caused by non-warranted activities: ... 1 (20V) Pin Voltage (V dc) 1 +20 2 0 3 Ground Note: The output voltage across the plug of the ac power adapter cable. Replace the system board. b. Unplug the ac power adapter cable from the ac power adapter does not always indicate a defect. 20 Hardware Maintenance Manual If the...
... non-supported device • Forgotten computer password (making the computer unusable) • Sticky keys caused by spilling a liquid onto the keyboard • Use of an incorrect ac power adapter on laptop products The following symptoms might indicate damage caused by non-warranted activities: ... 1 (20V) Pin Voltage (V dc) 1 +20 2 0 3 Ground Note: The output voltage across the plug of the ac power adapter cable. Replace the system board. b. Unplug the ac power adapter cable from the ac power adapter does not always indicate a defect. 20 Hardware Maintenance Manual If the...
Hardware Maintenance Manual - Lenovo N21 Chromebook
Page 36
... Torque 1.85 +/- 0.15kgf-cm 1.85 +/- 0.15kgf-cm Refer to Table 3 "Part numbers for FRUs (CRUs)" on page 25 to look up the Lenovo part numbers of the following replacement parts: Upper case Foot rubber pack battery pack 30 Hardware Maintenance Manual Remove the three screws 13 and then remove the battery pack...
... Torque 1.85 +/- 0.15kgf-cm 1.85 +/- 0.15kgf-cm Refer to Table 3 "Part numbers for FRUs (CRUs)" on page 25 to look up the Lenovo part numbers of the following replacement parts: Upper case Foot rubber pack battery pack 30 Hardware Maintenance Manual Remove the three screws 13 and then remove the battery pack...