About this manual This manual contains service and reference information for the following products: Product name Machine type (MT) ThinkPad P16 Gen 1 21D6 and 21D7 Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: • This manual is intended only for trained service technicians who are familiar with products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
Page 8
This practice ensures correct grounding of the units. • If an electrical accident occurs: – Use caution; do not become a victim yourself. – Switch off power. – Send another person to get medical aid. P16 Gen 1 Hardware Maintenance Manual...
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.
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 P16 Gen 1 Hardware Maintenance Manual...
– “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...
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.
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.
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...
If you suspect a power problem, see the appropriate one of the following power supply checkouts: • “Checking the ac power adapter” on page 25 • “Checking the built-in battery and operational charging” on page 25 • “Checking the coin-cell battery” on page 25 P16 Gen 1 Hardware Maintenance Manual...
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
• If the voltage is correct, replace the system board. • If the voltage is not correct, replace the coin-cell battery. • If the coin-cell battery discharges quickly after replacement, replace the system board. P16 Gen 1 Hardware Maintenance Manual...
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.
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.
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.
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. P16 Gen 1 Hardware Maintenance Manual...
Note: The computer does not accept any input immediately after it enters sleep mode. Wait a few seconds before taking any action to reenter operation mode. Hibernation mode In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data are stored on the solid-state drive. •...
2. Replace the M.2 solid-state drive. HDD (HDD0) 3. Replace the system board. 2200 Have the computer serviced. Machine Type and Serial Number are invalid. 2201 Replace the system board. Machine UUID is invalid P16 Gen 1 Hardware Maintenance Manual...
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
The following section describes some beep errors and the corresponding solutions. Note: Do not attempt to service a product yourself unless instructed to do so by the Customer Support Center or product documentation. Only use a Lenovo-authorized service provider to repair your product. Error codes...
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.
Verify that all attached devices are supported by the computer. Verify that the power supply being used at the time of the failure is operating correctly. See “Power system checkout” on page 24. P16 Gen 1 Hardware Maintenance Manual...
Page 43
1. Turn off the computer. 2. Visually check each FRU for damage. Replace any damaged FRU. 3. Remove or disconnect all of the following devices: a. Non-ThinkPad devices b. Devices attached to the dock c. Printer, mouse, and other external devices d.
After you delete the RAID volume, the Intel (R) Rapid Storage Technology window is displayed. Member drives of the deleted volume are displayed under Non-RAID Physical Disks. 5. Press F10 to save changes and exit. P16 Gen 1 Hardware Maintenance Manual...
Reset storage drives to non-RAID Attention: All the existing data stored on the selected drive will be erased after you reset it to non-RAID. 1. Enter the Intel RST configuration utility. 2. Select the volume that you want to reset under RAID Volumes. Press Enter to open the RAID VOLUME INFO window.
Page 50
Pause operation Scroll contents Send system request Enter sleep mode To wake up the computer, press Fn or the power button. Go to beginning Go to end P16 Gen 1 Hardware Maintenance Manual...
Item ® Always on USB 3.2 Gen 1 connector USB-C (3.2 Gen 2) connector Nano-SIM-card tray Audio connector Smart-card slot SD card reader USB (3.2 Gen 1) connector Security-lock slot * for selected models P16 Gen 1 Hardware Maintenance Manual...
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 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/...
• 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” on page 49 and “LCD FRUs and CRUs” on page 52.
Page 61
System board connectors and cables Table 9. System board connector and cable guide Connector/feature Internal cable required Cable connection USB-C (Thunderbolt 4) connectors Connect a USB-C compatible or (external) Thunderbolt 4 compatible device to these connectors. HDMI connector (external) Connect a compatible digital audio device or video monitor to this connector.
Page 62
The wireless WAN main antenna connector (internal) comes with the cable. Connect the cable to this connector. Keyboard connectors (internal) Keyboard cables The keyboard comes with the cables. Connect the cables to these connectors. P16 Gen 1 Hardware Maintenance Manual...
Speaker connector (internal) Speaker cable The speaker comes with cable. Connect the cable to this connector. Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: https://support.lenovo.com/partslookup Chapter 7 Locations...
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.
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 68
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.
If the computer you are servicing has an SD card installed, remove the SD card before you start the servicing. Push the SD card inward a little bit. Then, release it. The SD card ejects. Gently slide the card out of the card slot. P16 Gen 1 Hardware Maintenance Manual...
Note: After you finish the servicing, ensure that you install the SD card back into the slot firmly. 1010 Bottom cover Removal steps of the bottom cover Note: Loosen the screw that secures the bottom cover, and remove the bottom cover. 1020 Keyboard For access, remove this FRU: •...
When installing: Configure the keyboard language in UEFI BIOS: 1. Enter the UEFI BIOS menu. 2. Click Config ➙ Keyboard/Mouse ➙ Keyboard Layout, and then select the keyboard language. 1030 Service bracket For access, remove this FRU: • “1020 Keyboard” on page 65 Removal steps of the service bracket Step Screw (quantity)
When installing: Ensure that you connect the orange cable to the main connector, the blue cable to the auxiliary connector, the white and grey cable to the M1 connector, and the black and grey cable to the M2 connector. P16 Gen 1 Hardware Maintenance Manual...
• Your computer supports up to 128 GB memory module in total, and it is recommended that you use memory modules with the same capacity, type and brand for best dual-channel memory performance. • Replace only with a memory module of the type recommended by Lenovo. Memory module under the bottom cover For access, remove this FRU: •...
• Memory module replacement might cause memory retraining during POST. When memory retraining occurs, the screen cannot display the progress information and might be blank. You might see the LED P16 Gen 1 Hardware Maintenance Manual...
indicators on ESC, F1, and F4 blinking sequentially to indicate the progress. Do not press the power button to interrupt the process. Wait a few minutes until the logo screen is displayed. 1060 M.2 2280 solid-state drive Attention: The M.2 solid-state drive is sensitive. Inappropriate handling might cause damage and permanent loss of data.
Black 0.181 Nm (1.85 kgf-cm) M.2 2280 solid-state drive under the keyboard For access, remove these FRUs in order: • “1020 Keyboard” on page 65 • “1030 Service bracket” on page 67 Removal steps P16 Gen 1 Hardware Maintenance Manual...
Note: If the app is uninstalled, reinstall it by downloading the installation package from https:// pcsupport.lenovo.com/us/en/downloads/DS543953 2. Go to Settings ➙ Restore profiles. The app will download and install its unique color profiles from Lenovo cloud automatically. 1070 Base cover assembly For access, remove this FRU: • “1010 Bottom cover” on page 65...
S/N label Genuine Microsoft label 1080 Thermal fan assembly For access, remove this FRU: • “1070 Base cover assembly” on page 73 Removal steps of the thermal fan assembly (for models without discrete GPU) P16 Gen 1 Hardware Maintenance Manual...
Page 81
Removal steps of the thermal fan assembly (for models with discrete GPU) When installing: • Ensure that the connectors are attached firmly. • Do not press the top of the fan cover and the fan hub. • Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the parts marked as shown in the following illustrations.
• “1080 Thermal fan assembly” on page 74 Removal steps of the dummy GPU board cable When installing: Ensure that the connectors are attached firmly. 1100 GPU board or dummy GPU board For access, remove these FRUs in order: P16 Gen 1 Hardware Maintenance Manual...
• “1070 Base cover assembly” on page 73 • “1080 Thermal fan assembly” on page 74 • “1090 Dummy GPU board cable (for models without discrete GPU)” on page 76 Removal steps of the GPU board or dummy GPU board Note: Depending on the model, your computer might look different from the illustration in this topic.
Silver 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connectors are attached firmly. 1120 Built-in battery DANGER Use only the authorized battery specified for the computer. Any other battery could ignite or explode. P16 Gen 1 Hardware Maintenance Manual...
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.
1140 NFC board and cable (for selected models) For access, remove these FRUs in order: • “1070 Base cover assembly” on page 73 • “1120 Built-in battery” on page 78 Removal steps of the NFC board and cable P16 Gen 1 Hardware Maintenance Manual...
When installing: Ensure that the connectors are attached firmly. 1150 Keyboard bezel assembly For access, remove these FRUs in order: • “1070 Base cover assembly” on page 73 • “1120 Built-in battery” on page 78 Removal steps of the keyboard bezel assembly Note: Make sure the trackpad cable is disconnected.
When installing: Ensure that the connectors and latches are attached firmly. 1160 Power button with fingerprint reader and bracket For access, remove these FRUs in order: • “1070 Base cover assembly” on page 73 • “1150 Keyboard bezel assembly” on page 81 P16 Gen 1 Hardware Maintenance Manual...
Page 89
Removal steps of the power button with fingerprint reader and bracket Step Screw (quantity) Color Torque M2 × 3.5 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) Chapter 9 Removing or replacing a FRU...
1170 Trackpad and trackpad cable For access, remove these FRUs in order: • “1070 Base cover assembly” on page 73 • “1150 Keyboard bezel assembly” on page 81 Removal steps of the trackpad and trackpad cable P16 Gen 1 Hardware Maintenance Manual...
Step Screw (quantity) Color Torque M1.6 × L2.1 mm, flat-head, nylon-coated (7) Black 0.1 Nm (1.1 kgf-cm) When installing: Ensure that the connector is attached firmly. 1180 Smart card reader and cable (for selected models) For access, remove these FRUs in order: •...
When installing: Ensure that the connectors are attached firmly. 1190 Speaker For access, remove these FRUs in order: • “1070 Base cover assembly” on page 73 • “1150 Keyboard bezel assembly” on page 81 P16 Gen 1 Hardware Maintenance Manual...
Removal steps of the speaker Step Screw (quantity) Color Torque M2 x 2 mm, flat-head, nylon-coated (3) Black 0.181 Nm (1.85 kgf-cm) When installing: • Ensure that the connector is attached firmly. • Ensure that the cable is routed properly. 1200 System board and beeper Important notices for handling the system board: When handling the system board, read the following:...
Page 94
• “1090 Dummy GPU board cable (for models without discrete GPU)” on page 76 • “1100 GPU board or dummy GPU board” on page 76 • “1120 Built-in battery” on page 78 Removal steps of the system board P16 Gen 1 Hardware Maintenance Manual...
Page 95
Step Screw (quantity) Color Torque M2 × 3.5 mm, flat head, nylon-coated (4) Silver 0.181 Nm (1.85 kgf-cm) When installing: • Make sure that the parts marked are installed as shown in the following illustration. Chapter 9 Removing or replacing a FRU...
• “1200 System board and beeper” on page 87 Removal steps of the DC-in cable and bracket Step Screw (quantity) Color Torque M2 × 3.5 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) P16 Gen 1 Hardware Maintenance Manual...
1220 Wireless WAN antenna assembly (for selected models) For access, remove these FRUs in order: • “1070 Base cover assembly” on page 73 • “1200 System board and beeper” on page 87 Removal steps of the wireless WAN antenna assembly Step Screw (quantity) Color...
M2 × 3 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) 1240 LCD unit For access, remove these FRUs in order: • “1070 Base cover assembly” on page 73 • “1230 Hinge caps” on page 92 P16 Gen 1 Hardware Maintenance Manual...
Page 99
Removal steps of the LCD unit Step Screw (quantity) Color Torque M 2.5 × 6 mm, flat-head, nylon-coated (4) Black 0.294 Nm (3.0 kgf-cm) Step Screw (quantity) Color Torque M 2 × 2.5 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) Chapter 9 Removing or replacing a FRU...
• “2010 LCD strip cover (for touch models)” on page 95 • “2020 LCD bezel (for non-touch models)” on page 95 Removal steps of the LCD panel and LCD cable • For touch models P16 Gen 1 Hardware Maintenance Manual...
Page 103
Step Screw (quantity) Color Torque M2.5 × 4 mm, flat-head, nylon-coated (5) Silver 0.294 Nm (3.0 kgf-cm) • For non-touch models Note: Do not pull the tapes too fast, otherwise, the tapes might snap. Chapter 9 Removing or replacing a FRU...
Page 105
Installation steps of the LCD panel and elastic adhesive tapes (for non-touch models) • Peel off the release liners from one side of the new elastic adhesive tapes. Apply the tapes to the correct locations. Peel off the release liners from the other side of the tapes. Ensure that the tapes are applied correctly as shown.
Removal step of the PMIC board 2060 Camera-and-microphone module and cable (for selected models) For access, remove these FRUs in order: • “1240 LCD unit” on page 92 • “2030 LCD panel and LCD cable” on page 96 Removal steps of the camera-and-microphone module and cable Note: Depending on the computer model, your computer might look different from the illustrations below.
• “1240 LCD unit” on page 92 • “2030 LCD panel and LCD cable” on page 96 Removal steps of the wireless antenna assembly Note: Depending on the computer model, your computer might look different from the illustration below. P16 Gen 1 Hardware Maintenance Manual...
Page 109
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. Antenna locations Chapter 9 Removing or replacing a FRU...
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 112
Trademarks LENOVO, LENOVO logo, THINKPAD, THINKPAD logo, and TRACKPOINT are trademarks of Lenovo. Intel and Thunderbolt are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries. Microsoft, Microsoft Teams, and Windows are trademarks of the Microsoft group of companies. The terms HDMI and HDMI High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.