Lenovo 21JV Hardware Maintenance Manual

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ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2

Hardware Maintenance Manual

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Summary of Contents for Lenovo 21JV

Page 1 ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 2 Third Edition (July 2024) © Copyright Lenovo 2023, 2024. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-...
Page 4 1040 Wireless WAN module (for selected ThinkPad Z13 How to input the product information with ThinkPad Gen 2 models) ....system board self repair tool (For end users) . . 1050 Thermal fan assembly .
Page 5 Some statements in this manual might not be applicable to the computer. • Before servicing a product, be sure to read all the information under Chapter 1 “Safety information” on page 1 and Chapter 2 “Important service information” on page 19. © Copyright Lenovo 2023, 2024...
Page 6 ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 7 • Fan louvers on the machine help to prevent overheating of internal components. Do not obstruct fan louvers or cover them with labels or stickers. Electrical safety Observe the following rules when working on electrical equipment. © Copyright Lenovo 2023, 2024...
Page 8 Important: • Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. • Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges (ESD).
Page 9 4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-ThinkPad / non-Lenovo alterations. Use good judgment as to the safety of any non-ThinkPad / 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.
Page 10 2. Ensure that the ESD protective devices you use have been certified (ISO 9000) as fully effective. When handling ESD-sensitive parts: • Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people. •...
Page 11 DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
Page 12 ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO DANGER DANGER ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 15 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
Page 16 DANGER VORSICHT VORSICHT VORSICHT VORSICHT ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
Page 18 ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 19 Chapter 1 Safety information...
Page 20 ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 21 Chapter 1 Safety information...
Page 22 ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 23 Chapter 1 Safety information...
Page 24 ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 25 – “FRU identification” on page 20 Important: • Advise customers to contact the Lenovo Customer Support Center if they need any assistance in obtaining or installing any software fixes, drivers, and UEFI BIOS downloads. Telephone numbers for Lenovo Support are available at: https://pcsupport.lenovo.com/supportphonelist...
Page 26 Dynamic Configure To Order (CTO) model This model provides the ability for a customer to configure a Lenovo solution from a Web Site, and have this configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label and eSupport will load these products as the 4-character MT, 4-character model, and 2-character country code.
Page 28 Note: If you are unable to isolate and repair the problem yourself after running the program, save and print the log files created by the program. You need the log files when you speak to a Lenovo technical support representative.
Page 29 Run quick test programs to troubleshoot and resolve computer problems, especially when the computer does not have the Vantage app installed. To download and install a quick test program, go to https://www.lenovo.com/diags , and follow the instructions on the Web site.
Page 30 If the computer you are servicing is not installed with the UEFI diagnostic program, you can download a bootable diagnostic program from the Lenovo Support Web site. The bootable diagnostic program enables you to view system information and test some hardware devices in your computer, such as memory, storage devices, the LCD, and system board buses.
Page 31 Checking the built-in battery and operational charging This system supports only batteries specially designed for this specific system and manufactured by Lenovo or an authorized manufacturer. The system does not support unauthorized batteries or batteries designed for other systems.
Page 32 ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 33 When the latest maintenance diskette and the system program service diskette become available, they will be posted on: https://support.lenovo.com Reset or restore Windows To reset or restore Windows, refer to the information below： • Use Lenovo recovery options. 1. Go to https://support.lenovo.com/HowToCreateLenovoRecovery 2. Follow the on-screen instructions. • Use Window recovery options.
Page 34 The system management password can also protect the system information stored in UEFI BIOS like a supervisor password, but it has lower authority by default. The system management password can be set through the UEFI BIOS menu or through Windows Management Instrumentation (WMI) with the Lenovo client-management interface.
Page 35 Lenovo cannot reset your passwords or recover data from the storage drive. You can contact a Lenovo authorized service provider to have the storage drive replaced. A fee will be charged for parts and service. If the storage drive is a CRU (Customer Replaceable Unit), you can also contact Lenovo to purchase a new storage drive to replace the old one by yourself.
Page 36 8. Turn on the computer and wait until the POST ends. After the POST ends, the password prompt does not appear. The system management password has been removed. If a supervisor password has been set and is known to the service technician, do the following to remove the system management password: 1.
Page 37 Also, in either of the following events, the computer automatically returns from sleep mode and resumes operation: • The ring indicator (RI) is signaled by a serial device or a PC Card device. • The time set on the resume timer elapses. Note: The computer does not accept any input immediately after it enters sleep mode.
Page 38 If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is not described there, go to “Intermittent problems” on page 37. Note: For a device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for that device.
Page 39 Beep errors Lenovo SmartBeep technology enables you to decode beep errors with your smartphone when a black screen occurs with beeps from your computer. To decode the beep error with Lenovo SmartBeep technology, do the following: 1.
Page 40 Note: We recommend that you speak to our Customer Support Center before attempting to service the computer yourself so that you can be directed to the correct documentation and repair information. It might be recommended to have a Lenovo-authorized service provider repair your computer depending on the complexity of the error or fault.
Page 41 Error codes Solutions 0287: Discrete graphics error 1. Reinstall or replace the discrete graphics card (service provider only). 2. If step 1 does not work, replace the system board (service provider only). 1. Reconnect the display cable on both the system board side and the computer display side (service provider only) and check the LCD panel.
Page 42 If the LCD you are servicing has two or less visible defective pixels, it should not be considered faulty. However, if the LCD has three or more visible defective pixels, it will be deemed as defective by Lenovo and it should be replaced.
Page 43 Table 4. LCD-related symptoms FRU or action, in sequence Symptom or error No beep, power-on indicator on, and a blank LCD during 1. Run LCD Self Test. POST. 2. Replace the system board. • LCD backlight not working. 1. Reseat the LCD connectors. •...
Page 44 ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 45 Answer incoming calls on Microsoft Teams Decline incoming calls on Microsoft Teams Customize the function of this key on the Vantage app Toggle keyboard backlight Fingerprint reader Enable / disable the tapping gesture to launch TrackPoint Quick Menu Break operation © Copyright Lenovo 2023, 2024...
Page 46 Scroll contents Pause operation Send system request Open system information Window Enter sleep mode To wake up the computer, press Fn or the power button. Go to beginning Go to end ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 47 Locating computer controls and connectors Front view ThinkPad Z13 Gen 2 Description Description Item Item Microphone Infrared camera / Camera ® TrackPoint pointing stick Touch screen* Fingerprint reader Haptic Touchpad Privacy shutter * for selected models © Copyright Lenovo 2023, 2024...
Page 48 ThinkPad Z16 Gen 2 Description Description Item Item Microphone Infrared camera / Camera ® TrackPoint pointing stick Touch screen* Speaker Fingerprint reader Haptic Touchpad Privacy shutter * for selected models ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 49 Side view ThinkPad Z13 Gen 2 Description Description Item Item ® USB-C (USB 4) power connector USB-C (USB 4) connector Nano-SIM-card tray* Power button Audio connector * for selected models Chapter 6 Locations...
Page 50 ThinkPad Z16 Gen 2 Description Description Item Item USB-C (USB 4) connector SD card reader USB-C (USB 4) power connector Security-lock slot USB-C (USB 3.2 Gen 2) connector Audio connector Power button Statement on USB transfer rate Depending on many factors such as the processing capability of the host and peripheral devices, file attributes, and other factors related to system configuration and operating environments, the actual transfer rate using the various USB connectors on this device will vary and will be slower than the data rate listed below for each corresponding device.
Page 51 Bottom view ThinkPad Z13 Gen 2 ThinkPad Z16 Gen 2 Description Description Item Item Emergency-reset hole Speaker (for ThinkPad Z13 Gen 2 only) Emergency-reset hole If the computer stops responding and you cannot turn it off by pressing the power button, reset your computer: 1.
Page 52 When the computer is operating, it should be placed on a hard and flat surface with its bottom area not in contact with user’s bare skin. Under normal operating conditions, the temperature of the bottom surface will remain within an acceptable range as defined in IEC 62368-1, but such temperatures can still be high enough to cause discomfort or harm to the user if directly touched for over one minute at a time.
Page 53 Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at .
Page 54 Major FRUs and CRUs (for ThinkPad Z13 Gen 2) Table 5. Major FRUs and CRUs FRU description Self-service Optional-service LCD unit Note: LCD unit is a single FRU. Trackpad assembly Keyboard and keyboard bezel assembly ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 55 Notes: • Depending on the computer model, your computer might look different from the illustration above. • The Lenovo factory recovery USB key is used to restore the Microsoft Windows operating system. It might not come with the computer, and a user might order it from https://pcsupport.lenovo.com/...
Page 56 Major FRUs and CRUs (for ThinkPad Z16 Gen 2) Table 6. Major FRUs and CRUs FRU description Self-service Optional-service LCD unit Note: LCD unit is a single FRU. Trackpad Trackpad, fingerprint reader and P-sensor cable M.2 solid-state drive bracket M.2 solid-state drive ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 57 Notes: • Depending on the computer model, your computer might look different from the illustration above. • The Lenovo factory recovery USB key is used to restore the Microsoft Windows operating system. It might not come with the computer, and a user might order it from https://pcsupport.lenovo.com/...
Page 58 • Spec Connector and cable guide This topic provides information to help Lenovo authorized service technicians identify connectors and cables for replacement purpose. To view each FRU and the exploded illustration of the computer, see “Major FRUs and CRUs (for ThinkPad Z13 Gen 2)” on page 48 and “Major FRUs and CRUs (for ThinkPad Z16 Gen 2)” on page 48.
Page 59 System board connectors and cables (for ThinkPad Z13 Gen 2) Table 8. System board connector and cable guide Internal cable required Connector/feature Cable connection Wireless-WAN-module slot Insert a wireless-WAN module into (internal) this slot. LCD unit connector (internal) The LCD unit comes with the cable.
Page 60 Table 8. System board connector and cable guide (continued) Internal cable required Connector/feature Cable connection Audio connector (external) Audio cable Connect headphones or a headset with a 3.5-mm (0.14-inch) and 4- pole plug to this connector. Speaker assembly connector Speaker assembly cable The speaker assembly comes with (internal) cable.
Page 61 USB-C (USB 4) connector Connect USB-C compatible (external) devices or a USB-C power adapter to this connector. * for selected models Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: https://support.lenovo.com/partslookup Chapter 6 Locations...
Page 62 ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 63 • Keep the screw kit in your tool bag. For the part number of the screw kit, go to: https://support.lenovo.com/partslookup Tighten screws as follows: • Plastic to plastic Turn an additional angle of 90 degrees after the screw head touches the surface of the plastic part. © Copyright Lenovo 2023, 2024...
Page 64 Maintenance Key. Note: Only an authorized Lenovo service technician can access the above Web site. 3. Restart the computer. 4. When the logo is displayed, press Esc. The ThinkPad Config Information Update Utility interface is displayed.
Page 65 To check what ECAs have been previously applied to the machine, use the ECA Information Read/Write function on the LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key. 1. Insert the latest version of LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key, and then restart the computer.
Page 66 Note: Only the ECA number is stored in the EEPROM. The machine type of the ECA is assumed to be the same as the machine type of the machine that had the ECA applied to it. 1. Insert the latest version of LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key, and then restart the computer.
Page 67 2. Click Power Options, and then click Choose what the power buttons do on the left pane. 3. Click Change settings that are currently unavailable at the top. 4. If prompted by User Account Control (UAC), click Yes. © Copyright Lenovo 2023, 2024...
Page 68 5. Clear the Turn on fast startup check box, and then click Save changes. To disable the built-in battery: 1. Restart your computer. When the logo screen is displayed, immediately press F1 to enter the UEFI BIOS menu. 2. Select Config ➙ Power. The Power submenu is displayed. 3.
Page 69 Removal procedure Installation procedure Chapter 8 Removing or replacing a FRU...
Page 70 Applying labels to the base cover assembly Notes: • Depending on the country or region of delivery, the labels might be slightly different from the ones in the following illustration. • The new base cover assembly FRU is shipped with a kit containing labels of several kinds. Apply those labels when you replace the base cover assembly.
Page 71 Important notice for replacing a battery Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or damage arising out of their use. The Vantage app provides an automatic battery diagnostic test that determines if the built-in battery is defective.
Page 72 Removal procedure for ThinkPad Z13 Gen 2 Note: Check and remove if any screws or foreign parts attached to the trackpad before replacing the battery. Step Screw (quantity) Color Torque M2 × L4 mm, flat-head, nylon-coated (6) Black 0.181 Nm (1.85 kgf-cm) Removal procedure for ThinkPad Z16 Gen 2 Step...
Page 73 1030 M.2 solid-state drive Prerequisite Before you start, read and print the following instructions. Generic Safety and Compliance Notices Attention: The M.2 solid-state drive is sensitive. Inappropriate handling might cause damage and permanent loss of data. When handling the M.2 solid-state drive, observe the following guidelines: •...
Page 74 Torque Step Screw (quantity) Color M2 × L2 mm, flat-head, nylon-coated (2) Sliver 0.181 Nm (1.85 kgf-cm) Notes: • Remove or install the M.2 solid-state drive bracket by pulling the transparent tab . Do not pull the bracket directly. When installing, tighten the screw on the transparent tab. •...
Page 75 The following information is only for the computer with user-installable modules. Ensure that you use only a Lenovo-authorized wireless module specifically tested for this computer model. Otherwise, the computer will generate an error-code beep sequence when you turn on the computer.
Page 76 Step Screw (quantity) Color Torque M2 × L2 mm, flat-head, nylon-coated (1) Sliver 0.181 Nm (1.85 kgf-cm) 1050 Thermal fan assembly For access, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 61. 2. Turn off the computer and disconnect the computer from ac power and all connected cables. 3.
Page 77 Step Screw (quantity) Color Torque M1.6 × L2 mm, flat-head, nylon-coated (1) Silver 0.108 Nm (1.1 kgf-cm) Removal procedure for ThinkPad Z16 Gen 2 When installing: • Ensure that the connector is attached firmly. • Do not press the top of the fan cover and the fan hub. •...
Page 78 – For ThinkPad Z16 Gen 2, apply thermal grease on the part marked as shown in the following illustrations. • For ThinkPad Z16 Gen 2: after replacing the thermal fan assembly, attach a graphite sheet as shown below. ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 79 1060 Audio cable (for ThinkPad Z13 Gen 2 only) For access, remove these FRUs: • Disable the built-in battery. See “Disabling the built-in battery” on page 61. • Turn off the computer and disconnect the computer from ac power and all connected cables. •...
Page 80 Removal procedure for ThinkPad Z16 Gen 2 When removing or installing the speaker assembly: • Ensure that the connector is attached firmly. • Ensure that the cable is routed properly. • Follow the below illustration to avoid damaging the connector. ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 81 Note: We recommend you click https://download.lenovo.com/pccbbs/mobiles/z13_z16_gen_clear_cirus_fac_ cal.bat to download and run the tool for speaker calibration after replacing the speaker assembly so the speaker loudness is ensured to be the same as the previous level. 1080 Trackpad, fingerprint reader, and P-sensor cable For access, remove these FRUs in order: •...
Page 82 Removal procedure for ThinkPad Z16 Gen 2 When installing: Ensure that the connectors are attached firmly. 1090 Trackpad For access, remove these FRUs in order: • Disable the built-in battery. See “Disabling the built-in battery” on page 61. • Turn off the computer and disconnect the computer from ac power and all connected cables. •...
Page 83 Torque Step Screw (quantity) Color M2 × L2.15 mm, flat-head, nylon-coated (10) Black 0.181 Nm (1.85 kgf-cm) Removal procedure for ThinkPad Z16 Gen 2 Chapter 8 Removing or replacing a FRU...
Page 84 Step Screw (quantity) Color Torque M2 × L2.3 mm, flat-head, nylon-coated (10) Black 0.181 Nm (1.85 kgf-cm) Notes: • There might exist a waterproof mylar covering the trackpad, remove the mylar before replacement. • Ensure that the connector is attached firmly. •...
Page 85 2. Install the trackpad as shown and fold two tails backward: Note: Ensure that there is a folding-mark in the tails. 3. Adjust the angle of the trackpad and install the trackpad into the keyboard and keyboard bezel assembly. Note: Ensure that the tails are lying into the keyboard and keyboard bezel assembly after installing. 4.
Page 86 6. Tighten the screws as shown 1100 Antenna assembly and wireless-LAN cable bracket For access, remove these FRUs: • Disable the built-in battery. See “Disabling the built-in battery” on page 61. • Turn off the computer and disconnect the computer from ac power and all connected cables. •...
Page 87 Step Screw (quantity) Color Torque M1.2 × L2.1 mm, flat-head, nylon-coated (2) Gold 0.039 Nm (0.4 kgf-cm) M2 × L2.5 mm, flat-head, nylon-coated (6) Black 0.181 Nm (1.85 kgf-cm) • For models only with WLAN modules: Chapter 8 Removing or replacing a FRU...
Page 88 Note: After replacing the system board, use the Maintenance Utility to bind the model type, serial number, and Brand ID of the computer with the new system board. Refer to https://support.lenovo.com/us/en/ for instructions on how to do that. As an alternative, you also can use the Golden Key U1 solutions/HT506954 tool for that purpose.
Page 89 Note: Input the exact brand name as shown in this table. Marketing Name Machine types (MT) ThinkPad Z13 Gen 2 21JV and 21JW ThinkPad Z16 Gen 2 21JX and 21JY Removal procedure for ThinkPad Z13 Gen 2 Chapter 8...
Page 90 Step Screw (quantity) Color Torque M2 × L2 mm, flat head, nylon-coated (3) Silver 0.181 Nm (1.85 kgf-cm) M2 × L2.5 mm, flat-head, nylon-coated (2) Silver 0.294 Nm (3.0 kgf-cm) M2 × L2 mm, flat head, nylon-coated (7) Silver 0.181 Nm (1.85 kgf-cm) ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 91 Removal procedure for ThinkPad Z16 Gen 2 Chapter 8 Removing or replacing a FRU...
Page 92 The process of writing product information can only be used once and if unsure, consider getting support from a Lenovo-authorized service technician. Step 1.
Page 93 Removal procedure for ThinkPad Z13 Gen 2 Chapter 8 Removing or replacing a FRU...
Page 94 Step Screw (quantity) Color Torque Black 0.181 Nm M2 × L4 mm, flat-head, nylon-coated (1) (1.85 kgf-cm) M2.5 × L4.5 mm, flat-head, nylon-coated (4) Silver 0.294 Nm (3.0 kgf-cm) Removal procedure for ThinkPad Z16 Gen 2 ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 95 Chapter 8 Removing or replacing a FRU...
Page 96 Step Screw (quantity) Color Torque M2 × L4.4 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) M2.5 × L5.8 mm, flat-head, nylon-coated (6) Black 0.294 Nm (3.0 kgf-cm) When installing: Ensure that the connectors are attached firmly. Attention: When you route the cables, ensure that they are not subject to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.
Page 97 Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.
Page 98 Trademarks Lenovo, Lenovo logo, ThinkPad, ThinkPad logo, TrackPoint, and Ultraconnect are trademarks of Lenovo. Linux is the registered trademark of Linus Torvalds in the U.S. and other countries. Microsoft, Microsoft Teams, Windows, BitLocker, and Cortana are trademarks of the Microsoft group of companies. NVIDIA is a registered trademark of NVIDIA Corporation.
Page 99 Electrically Erasable Programmable Read-Only Memory Extensible Firmware Interface Electrostatic discharge Field Replaceable Unit General Announce Variant Integrated circuits Liquid Crystal Display Machine type and model POST Power-on self-test RFID Radio-frequency identification Supervisor password UUID Universally unique identifier © Copyright Lenovo 2023, 2024...
Page 100 ThinkPad Z13 Gen 2 / ThinkPad Z16 Gen 2 Hardware Maintenance Manual...
Page 102 Part Number: SP41L93219 Printed in China (1P) P/N: SP41L93219 *1PSP41L93219*...

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