Hardware Maintenance Manual - Lenovo N21 Chromebook
Page 26
...to a hard disk drive. Depending on the voltage that you measure, do the following symptoms might indicate damage caused by spilling a liquid onto the keyboard • Use of an incorrect ac power adapter on laptop products The following : 1. If the problem persists, call the Customer Support Center. The.... Note: Noise from the computer. 2. To check the ac power adapter, do one of the following: • If the voltage is not correct, replace the ac power adapter. • If the voltage is used, refer to the information in the following : a. • Damage caused by the improper ...
...to a hard disk drive. Depending on the voltage that you measure, do the following symptoms might indicate damage caused by spilling a liquid onto the keyboard • Use of an incorrect ac power adapter on laptop products The following : 1. If the problem persists, call the Customer Support Center. The.... Note: Noise from the computer. 2. To check the ac power adapter, do one of the following: • If the voltage is not correct, replace the ac power adapter. • If the voltage is used, refer to the information in the following : a. • Damage caused by the improper ...
Hardware Maintenance Manual - Lenovo N21 Chromebook
Page 36
...and then remove the battery pack in the direction shown by arrow 14 . Screw specifications - l i j k Figure 7. Detach the touchpad cable and the keyboard cable Step 8. removing the upper case and the battery Screw label 5 13 Specifications M2 × 4.5mm, flat-head, nylon-coated M2 × 3mm,...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 battery Table 5. m m m n Figure 8.
...and then remove the battery pack in the direction shown by arrow 14 . Screw specifications - l i j k Figure 7. Detach the touchpad cable and the keyboard cable Step 8. removing the upper case and the battery Screw label 5 13 Specifications M2 × 4.5mm, flat-head, nylon-coated M2 × 3mm,...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 battery Table 5. m m m n Figure 8.