This guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of non-Lenovo features or options not covered by this inspection guide.
4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.
The safety notices in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER DANGER Lenovo 500e Yoga Chromebook Gen 4 Hardware Maintenance Manual...
• Check for obvious damage to a hard disk drive. If the spindle of a hard disk drive becomes noisy, the hard disk drive might have been dropped or subject to excessive force. CRU list Table 1. Model: Lenovo 500e Yoga Chromebook Gen 4 (Machine type: 82W4, 82W5) Type ac power adapter...
Chapter 5. Removing a FRU or CRU Service tools The following table lists tools for servicing Lenovo computers. Tools with a cross mark are needed for serving the product models as described by this publication. Prepare them before you service the product.
Place the Chromebook upside down on a flat surface. Step 2. Remove the electronic pen. Figure 2. Remove the electronic pen Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Electronic pen Lenovo 500e Yoga Chromebook Gen 4 Hardware Maintenance Manual...
Remove the dummy pen cap. Figure 3. Remove the dummy pen cap Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Dummy pen cap Remove the keyboard Make sure the following FRUs (or CRUs) have been removed.
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Pry the latches from the side on the top right corner. Then, remove the keyboard. Figure 5. Remove the keyboard Step 3. Peel back the keyboard connector mylar. Then, disconnect the keyboard cable. Lenovo 500e Yoga Chromebook Gen 4 Hardware Maintenance Manual...
Figure 6. Disconnect the keyboard cable Install the keyboard Step 1. Peel back the keyboard connector mylar. Then, connect the keyboard cable. Figure 7. Connect the keyboard cable Step 2. Install the keyboard. Chapter 5 Removing a FRU or CRU...
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Install one screw. Figure 9. Install one screw Number of screws Screw specifications M2.5 × L6.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Keyboard Lenovo 500e Yoga Chromebook Gen 4 Hardware Maintenance Manual...
Figure 10. Remove four screws Screw specifications Number of screws M2.5 × L6.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Lower case Remove the SIM card Make sure the following FRUs (or CRUs) have been removed.
Figure 11. Remove the SIM card Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: SIM card Remove the 14-pin I/O board cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 35 Step 1.
Step 2. Disconnect and remove the 14–pin I/O board cable. Figure 13. Disconnect and remove the 14–pin I/O board cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: 14–pin I/O board cable Remove the 40-pin I/O board cable Make sure the following FRUs (or CRUs) have been removed.
Figure 14. Disconnect the battery pack cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: 40–pin I/O board cable Remove the battery pack Make sure the following FRUs (or CRUs) have been removed.
Number of screws M2 × L4 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Battery pack Remove the electronic pen board and cable (for selected models) Make sure the following FRUs (or CRUs) have been removed.
Figure 17. Remove the electronic pen cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Electronic pen cable Electronic pen board Remove the speakers Make sure the following FRUs (CRUs) have been removed.
Step 2. Disconnect the speaker cable from the system board. Then, carefully remove the speakers. Figure 19. Remove speakers Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Speakers Remove the I/O board bracket Make sure the following FRUs (or CRUs) have been removed.
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Figure 21. Remove the I/O board bracket Screw specifications Number of screws M2 × L4 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: I/O board bracket Lenovo 500e Yoga Chromebook Gen 4 Hardware Maintenance Manual...
Remove the I/O board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 35 “Remove the I/O board bracket” on page 41 Step 1. Disconnect the I/O board cables. Figure 22. Disconnect the I/O board cables Step 2.
Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: I/O board Remove the Wi-Fi card Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 35 Step 1.
Figure 25. Disconnect antennas and remove the Wi-Fi card Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Wi-Fi card Remove the WWAN card Make sure the following FRUs (or CRUs) have been removed.
Screw specifications Number of screws M2 × L3 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: WWAN card Remove the WWAN antennas Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 35 “Remove the battery pack”...
Figure 28. Remove the WWAN antennas Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: WWAN antennas Remove the WFC camera and cable (for selected models) Make sure the following FRUs (or CRUs) have been removed.
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Disconnect the WFC camera cable from the system board. Figure 30. Disconnect the WFC camera cable Step 3. Remove the WFC camera with cable. Figure 31. Remove the WFC camera Step 4. Remove the WFC camera cable. Lenovo 500e Yoga Chromebook Gen 4 Hardware Maintenance Manual...
Figure 32. Remove the WFC camera cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: WFC camera WFC camera cable Remove the type-C bracket Make sure the following FRUs (or CRUs) have been removed.
Figure 34. Remove three screws and the type-C bracket Screw specifications Number of screws M2 × L4 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Type-C bracket Remove the touchpad cable Make sure the following FRUs (or CRUs) have been removed.
Disconnect the touchpad cable and remove the touchapd.cable. Figure 35. Disconnect and remove the touchapd cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Touchpad cable Remove the system board Make sure the following FRUs (or CRUs) have been removed.
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Remove four screws. Then, remove the system board. Figure 37. Remove four screws and the system board Screw specifications Number of screws M2 × L4 Step 3. Remove the WWAN absorberl. Lenovo 500e Yoga Chromebook Gen 4 Hardware Maintenance Manual...
Figure 38. Remove the WWAN absorber and the AL foil. Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: System board WWAN absorber Remove the Wi-Fi antennas Make sure the following FRUs (or CRUs) have been removed.
Figure 39. Remove the Wi-Fi antennas Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Wi-Fi antennas Remove the heatsink Make sure the following FRUs (or CRUs) have been removed. “Remove the system board” on page 51 Step 1.
Heatsink Remove the LCD module Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 35 Step 1. Disconnect the battery pack cable and LCD cable from the system board. Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 41.
Then, remove the LCD module. Figure 43. Remove the LCD module Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: LCD module Remove the upper case (with keyboard) Make sure the following FRUs (CRUs) have been removed.
Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Upper case (with keyboard) Remove the strip cover Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD module” on page 55 Step 1.
Screw specifications Number of screws M2 × L3 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Strip cover strip cover screw mylar Remove the LCD panel and the hinge rubber Make sure the following FRUs (or CRUs) have been removed.
Screw specifications Number of screws M2 × L2.5 M2 × L3 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Hinge Remove the camera board and microphone rubbers Make sure the following FRUs (or CRUs) have been removed.
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Figure 48. Remove the camera board conductive tape Step 2. Disconnect the EDP cable and remove the camera board. Figure 49. Remove the camera board Step 3. Remove the microphone rubbers. Lenovo 500e Yoga Chromebook Gen 4 Hardware Maintenance Manual...
Figure 50. Remove the microphone rubbers Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Camera board Microphone rubber Remove the EDP cable Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD module” on page 55 “Remove the LCD panel and the hinge rubber”...
Figure 51. Remove the EDP cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: EDP cable Remove the G sensor board Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD module” on page 55 “Remove the LCD panel and the hinge rubber”...
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Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: G sensor board Chapter 5 Removing a FRU or CRU...
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