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: •...
• Damage caused by the improper insertion of a personal-computer card (PC card) or the installation of an incompatible card • Improper disc insertion or use of an external optical drive • Fuses blown by attachment of a non-supported device •...
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.
Screw specifications Number of screws M2 x L4 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Battery pack Remove the solid-state drive (SSD) module Make sure the following FRU (or CRU) has been removed.
M1.6 x L1.7 Step 3. Peel off the SSD mylar. Figure 7. Peel off the SSD mylar Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Solid-state drive (SSD) Solid-state drive (SSD) mylar Remove the speakers Make sure the following FRU (or CRU) has been removed.
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 I/O bracket (for DIS) Make sure the following FRU (or CRU) has been removed.
Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: I/O bracket Remove the touchpad cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the battery pack” on page 29 Step 1.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable. Step 2. Peel off the acetate tape. Figure 13. Peel off the acetate tape Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Acetate tape Remove the DC-in cable (for DIS) Make sure the following FRUs (or CRUs) have been removed.
Page 41
Figure 14. Peel off the mylar Step 2. Peel off the tape and then disconnect the EDP cable from the system board. Release the EDP cable from the cable guide. Figure 15. Release the EDP cable from the cable guide Step 3.
Step 4. Detach the DC-in cable connector and then remove the DC-in cable. Figure 17. Remove the DC-in cable Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: DC-in cable Remove the D cover mylar Make sure the following FRU (or CRU) has been removed.
Figure 18. Peel off the D cover mylar Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: D cover mylar Remove the heat sink Make sure the following FRUs (or CRUs) have been removed.
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: Wi-Fi card Remove the fans Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the acetate tape”...
Screw specifications Number of screws M2 x L4 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Fans Remove the I/O board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the D cover mylar”...
Page 46
Disconnect the I/O board cable from the I/O board. Remove three screws and then remove the I/O board. Figure 24. Remove the I/O board Screw specifications Number of screws M2 x L4 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: I/O board Hardware Maintenance Manual...
Remove the system board and the I/O board cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the battery pack” on page 29 “Remove the solid-state drive (SSD) module” on page 30 “Remove the I/O bracket (for DIS)”...
Page 48
Figure 26. Disconnect cables connected to the system board and disconnect the I/O board cable Step 3. Remove three screws and then remove the system board with the I/O board cable. Hardware Maintenance Manual...
Peel back the tape and then disconnect the I/O board cable from the system board. Remove the I/ O board cable Figure 28. Remove the I/O board cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: System board...
Remove the LCD module Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 28 “Remove the acetate tape” on page 34 “Remove the D cover mylar” on page 36 Step 1. Peel off the tape. Peel off the two pieces of mylar and detach the main and auxiliary antenna cables.
Figure 31. Remove the LCD module Screw specifications Number of screws M2.5 x L4 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.
Page 52
Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Upper case Hardware Maintenance Manual...
S/N: WWWWWWXX Made in China 中國製造 MO: WWWWWWXXXXXX MTM: WWWWWWXXXX Mfg Date: YYYY/MM/DD EU contact: Lenovo (Slovakia), Landererova 12, 811 09 Bratislava, Slovakia UK contact : Lenovo, Redwood, Crockford Lane, Basingstoke, RG24 8WQ, UK Manufactured for Lenovo Models with a 135 W power adapter Made in China 中國製造...