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.
Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function. Proper grounding of the electrical outlet can be verified by a certified electrician. Safety notices (multilingual translations) The safety notices in this section are provided in the following languages: •...
• 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. Models: Yoga Pro 7 14IRH8 (MT: 82Y7) Type ac power adapter...
Chapter 4. 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.
3. Follow the correct sequence in the steps for removing an FRU, as shown in the illustrations by the numbers in square callouts. 4. When removing an FRU, move it in the direction as shown by the arrow in the illustration. 5.
Step 3. Pry up the latches and then remove the lower case. Figure 3. Pry up the latches and remove the lower case Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Lower case Remove the battery pack Make sure the following FRU (or CRU) has been removed.
Number of screws Screw specifications M2 x L3.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Battery pack Remove the 2242 solid-state drive (SSD) Make sure the following FRUs (or CRUs) have been removed.
M1.6 x L1.7 Step 4. Remove the SSD mylar. Figure 7. Remove the SSD mylar Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: 2242 Solid-state drive (SSD) Solid-state drive (SSD) mylar Solid-state drive (SSD) bracket Remove the 2280 solid-state drive (SSD) Make sure the following FRUs (or CRUs) have been removed.
Step 3. Remove the SSD mylar. Figure 9. Remove the SSD mylar Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: 2280 Solid-state drive (SSD) Solid-state drive (SSD) mylar Remove the Wi-Fi card Make sure the following FRU (or CRU) has been removed.
Figure 10. Remove the Wi-Fi card Screw specifications Number of screws M1.6 x L1.7 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Wi-Fi card Remove the touchpad board cable Make sure the following FRUs (CRUs) have been removed.
Figure 12. Remove the touchpad board cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Touchpad board cable Remove the I/O board cable Make sure the following FRU (or CRU) have been removed.
Remove six screws and then remove the heat sink. Figure 15. Remove the heat sink Screw specifications Number of screws M1.6 x L1.7 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Heat sink Chapter 4 Removing a FRU or CRU...
Remove the fan Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 26 Step 1. Disconnect the battery pack cable from the system board. Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable. Step 2.
Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Remove the I/O board Make sure the following FRU (or CRU) have been removed. “Remove the lower case” on page 26 Step 1. Remove one fan. For details, see “Remove the fan” on page 34.
I/O board Remove the system board and the I/O board FPC Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 26 “Remove the battery pack” on page 27 “Remove the 2280 solid-state drive (SSD)” on page 29 or “Remove the 2242 solid-state drive (SSD)” on page 28 “Remove the Wi-Fi card”...
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Figure 21. Disconnect cables connected to the system board Step 3. Remove five screws and then remove the system board. Chapter 4 Removing a FRU or CRU...
M2 x L3.5 Step 4. Remove the I/O board FPC from the system board Figure 23. Remove the I/O board FPC Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: System board I/O board FPC...
Screw specifications Number of screws M1.6 x L1.7 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Speakers Remove the LCD module Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 26 Step 1.
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Figure 25. Disconnect the EDP cable and antenna cable Step 3. Disconnect the sensor board cable from the system board and then release cables from the cable guide. Figure 26. Disconnect the sensor board cable and release cables Step 4. Rotate the LCD module to an angle of more than 90 degrees and place the computer on a flat surface as shown.
Figure 27. Remove the LCD module Screw specifications Number of screws M2.5 x L4.5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD module Remove the upper case Make sure the following FRUs (CRUs) have been removed.