• Depending on the version of operating systems and programs, some user interface instructions might not be applicable to your computer. • Documentation content is subject to change without notice. Lenovo makes constant improvements on the documentation of your computer, including this User Guide. To get the latest documentation, go to: https://support.lenovo.com...
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9. USB 2.0 connectors (2) Used to connect a device that requires a USB 2.0 connection. 10. Storage drive status indicator This indicator is on when the storage drive is in use. * for selected models Lenovo V55t-15API User Guide...
Rear Used to connect a microphone to your computer when you want to record sound 1. Microphone connector or use speech recognition software. Used to send audio and video signals from the computer to another audio or ™ 2. HDMI 1.4 out connector video device, such as a high-performance monitor.
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10. Padlock loop Used to secure a padlock. 11. Security-lock slot Used to secure a Kensington-style cable lock. Used to connect the power cord to your computer for power supply. 12. Power cord connector Lenovo V55t-15API User Guide...
System board 4-pin power connector Microprocessor fan connector Coin-cell battery Buzzer Power button board connector Front USB 2.0 connector (Card reader connector) 10-pin power connector Auxiliary fan connector 1 M.2 solid-state drive slot SATA 3.0 connectors (2) Thermal sensor connector SATA power connector Parallel connector Cover presence switch connector (Intrusion switch...
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.
Display the latest notifications from apps and provide quick access to some 12. Action center features. Open the Start menu • Click the Start button. • Press the Windows logo key on the keyboard. Open the Start context menu Right-click the Start button. Lenovo V55t-15API User Guide...
Access Lenovo Vantage Open the Start menu and click Lenovo Vantage. You also can type Lenovo Vantage in the search box. To download the latest version of Lenovo Vantage, go to Microsoft Store and search by the app name.
2. Follow the on-screen instructions to adjust the volume. Click the speaker icon to mute the audio. Change the sound settings 1. Go to Control Panel and view by category. 2. Click Hardware and Sound ➙ Sound. 3. Change the settings as you prefer. Lenovo V55t-15API User Guide...
Safely Remove Hardware and Eject Media icon. 2. Select the corresponding item to eject the card from the Windows operating system. 3. Press the card and remove it from your computer. Store the card safely for future use. Lenovo V55t-15API User Guide...
Purchase accessories Lenovo has a number of hardware accessories and upgrades to help expand the capabilities of your computer. Options include memory modules, storage devices, network cards, power adapters, keyboards, mice, and more. To shop at Lenovo, go to https://www.lenovo.com/accessories...
Note: You are responsible for evaluating, selecting, and implementing the locking device and security feature. Lenovo makes no comments, judgments, or warranties about the function, quality, or performance of the locking device and security feature. You can purchase computer locks from Lenovo.
Setting a hard disk password prevents unauthorized access to the data on the storage drive. When a hard disk password is set, you are prompted to enter a valid password each time you try to access the storage drive. Lenovo V55t-15API User Guide...
• If the supervisor password is forgotten, it might not be removed by clearing CMOS depending on your BIOS settings. • If the hard disk password is forgotten, Lenovo cannot remove the password or recover data from the storage drive.
The computer is preinstalled with an antivirus program to help you guard against, detect, and eliminate viruses. Lenovo provides a full version of antivirus software on the computer with a free 30-day subscription. After 30 days, you must renew the license to continue receiving the antivirus software updates.
2. Select Security ➙ Cover Tamper Detected and press Enter. 3. Select Enabled and press Enter. 4. Press F10 or Fn+F10 to save the changes and exit. When the cover presence switch connector on the system board is enabled, if the cover presence switch detects that the computer cover is not correctly installed or closed, an error message will be displayed when you turn on the computer.
To enable or disable the configuration change detection feature: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Security ➙ Configuration Change Detection and press Enter. 3. Enable or disable the feature as desired. Lenovo V55t-15API User Guide...
4. Press F10 or Fn+F10 to save the changes and exit. Enable or disable the ErP LPS compliance mode Lenovo computers meet the eco-design requirements of the ErP Lot 3 regulation. For more information, go https://www.lenovo.com/us/en/compliance/eco-declaration You can enable the ErP LPS compliance mode to reduce the consumption of electricity when the computer is off or in sleep mode.
BIOS settings vary by operating system. Change the BIOS settings before installing a new operating system. Microsoft constantly makes updates to the Windows 10 operating system. Before installing a particular Windows 10 version, check the compatibility list for the Windows version. For details, go to: https://support.lenovo.com/us/en/solutions/windows-support To change the BIOS settings: Lenovo V55t-15API User Guide...
Download and install the latest UEFI BIOS update package by one of the following methods: • From Lenovo Vantage: Open Lenovo Vantage to check the available update packages. If the latest UEFI BIOS update package is available, follow the on-screen instructions to download and install the package.
10. Turn on the computer and the monitor. When the logo screen is displayed, press F1 or Fn+F1. 11. To prevent data loss, ensure that BIOS settings are restored to an earlier point before the BIOS update. For BIOS configurations, see Chapter 5 “UEFI BIOS” on page 23. Lenovo V55t-15API User Guide...
4. Run the diagnostic program. See “Diagnostics” on page 37. 5. Recover your operating system. See “Recovery” on page 37. 6. If the problem persists, contact Lenovo. See Chapter 8 “Help and support” on page 75. Troubleshooting Use the troubleshooting information to find solutions to problems that have definite symptoms.
– Ensure that the Optane memory is not removed. – Ensure that the Optane memory is not damaged. Check the Optane memory using diagnostic tools. The computer beeps multiple times before Ensure that no keys are stuck. the operating system starts up. Lenovo V55t-15API User Guide...
Audio problems Problem Solution • If you are using powered external speakers that have an On/Off control, ensure that: – The On/Off control is set to the On position. – The speaker power cable is connected to a properly grounded, functional ac electrical outlet.
4. Right-click each Wi-Fi device, and then click Enable device. • Enable the Wi-Fi feature in Windows Settings. 1. Open the Start menu. 2. Click Settings ➙ Network & Internet ➙ Wi-Fi. 3. Enable the Wi-Fi feature. • Update or reinstall the Wi-Fi driver. Lenovo V55t-15API User Guide...
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Problem Solution • Enable the Bluetooth feature in UEFI BIOS. • Enable all Bluetooth devices. 1. Right-click the Start button to open the Start context menu. 2. Click Device Manager. Type the administrator password or provide confirmation if prompted. 3. Expand Bluetooth to display all Bluetooth devices. Right-click each Bluetooth device, and then click Enable device.
Uninstall/ Change or Uninstall. • Right-click a blank area on the taskbar and open Task Manager. The free memory space is insufficient. Then, end some tasks you are not performing. • Install additional memory modules. Lenovo V55t-15API User Guide...
Storage drive problems Problem Solution • Ensure that the signal cables and power cables for all the storage drives are connected correctly. • Ensure that the computer is configured correctly to support the storage drives. Some or all storage drives are missing from –...
Refer to the documentation that comes with the USB device for more information. • Disconnect and reconnect the USB connector to reset the USB device. • Ensure that the Smart USB Protection function is disabled in UEFI BIOS. Lenovo V55t-15API User Guide...
Use diagnostic solutions to test hardware components and report operating-system-controlled settings that interfere with the correct operation of your computer. Lenovo diagnostic tools This section introduces a set of Lenovo diagnostic tools. For more information, go to: https://pcsupport.lenovo.com/lenovodiagnosticsolutions Recovery This section introduces the recovery information of the Windows 10 operating system. Ensure that you read and follow the on-screen recovery instructions.
Windows recovery programs are damaged. If you did not create a recovery USB drive as a precautionary measure, you can contact Lenovo Customer Support Center and purchase one from Lenovo. For a list of the Lenovo Support phone numbers for your country or region, go to: https://pcsupport.lenovo.com/supportphonelist Create a recovery USB drive Attention: The creation process deletes anything stored on the USB drive.
Download and install the latest driver by one of the following methods: • From Lenovo Vantage: Open Lenovo Vantage to check the available update packages. If the latest UEFI BIOS update package is available, follow the on-screen instructions to download and install the package.
If you intend on installing the CRU, 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 might be required to return the defective part that is replaced by the CRU.
Replacement procedure 1. Turn off the computer and remove all connected devices and cables. 2. Unlock any locking device that secures the computer cover. See “Lock the computer” on page 17. 3. Remove the computer cover. Lenovo V55t-15API User Guide...
4. Install the computer cover. 5. Reconnect the power cord and all disconnected cables to the computer. Note: If a locking device is available, use it to lock the computer. Front bezel Prerequisite Before you start, read Appendix A “Important safety information” on page 79 and print the following instructions.
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4. Reinstall the computer cover. See “Computer cover” on page 42. 5. Reconnect the power cord and all disconnected cables to the computer. Note: If a locking device is available, use it to lock the computer. Lenovo V55t-15API User Guide...
Optical drive (for selected models) Prerequisite Before you start, read Appendix A “Important safety information” on page 79 and print the following instructions. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool.
5. Connect the signal cable and the power cable to the new optical drive. 6. Reinstall the removed parts 7. Reconnect the power cord and all disconnected cables to the computer. Note: If a locking device is available, use it to lock the computer. Optical drive bracket (for selected models) Prerequisite Before you start, read Appendix A “Important safety information”...
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5. Install the optical drive bracket. 6. Reinstall the removed parts 7. Reconnect the power cord and all disconnected cables to the computer. Note: If a locking device is available, use it to lock the computer. Lenovo V55t-15API User Guide...
Drive bay assembly Prerequisite Before you start, read Appendix A “Important safety information” on page 79 and print the following instructions. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. Replacement procedure 1.
5. Reconnect the power cord and all disconnected cables to the computer. Note: If a locking device is available, use it to lock the computer. 3.5-inch Storage drive Prerequisite Before you start, read Appendix A “Important safety information” on page 79 and print the following instructions. Lenovo V55t-15API User Guide...
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Attention: The internal storage drive is sensitive. Inappropriate handling might cause damage and permanent loss of data. • When handling the internal storage drive, observe the following guidelines: • Replace the internal storage drive only for upgrade or repair. The internal storage drive is not designed for frequent changes or replacement.
7. Connect the signal cable and the power cable to the new storage drive. 8. Reinstall all removed parts. Then, reconnect the power cord and all disconnected cables to the computer. 2.5-inch Storage drive Prerequisite Before you start, read Appendix A “Important safety information” on page 79 and print the following instructions.
10. Reinstall all removed parts. Then, reconnect the power cord and all disconnected cables to the computer. Memory module Prerequisite Before you start, read Appendix A “Important safety information” on page 79 and print the following instructions. Lenovo V55t-15API User Guide...
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Ensure that you follow the installation order for memory modules shown in the following illustration. Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 42. 2. Remove the front bezel. See “Front bezel” on page 43. 3. Pivot the drive bay assembly upward. See “Drive bay assembly” on page 49. 4.
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5. Install a memory module. 6. Reinstall all removed parts. Then, reconnect the power cord and all disconnected cables to the computer. Lenovo V55t-15API User Guide...
Heat sink and fan assembly Prerequisite Before you start, read Appendix A “Important safety information” on page 79 and print the following instructions. The heat sink might be very hot. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool.
If the coin-cell battery is incorrectly replaced, there is danger of an explosion. The coin-cell battery contains a small amount of harmful substance. To avoid possible injury: • Replace only with a battery of the type recommended by Lenovo. • Keep the battery away from fire.
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The coin-cell battery normally requires no charging or maintenance throughout its life; however, no coin-cell battery lasts forever. If the coin-cell battery fails, the date, time, and configuration information (including passwords) is lost. An error message is displayed when you turn on the computer. Replacement procedure 1.
3. Pivot the drive bay assembly upward. See “Drive bay assembly” on page 49. 4. Remove a PCI Express card. Note: If the card is held in place by a retaining latch, press the latch as shown to disengage the latch. Then, gently remove the card from the slot. Lenovo V55t-15API User Guide...
5. Install a PCI Express card. 6. Reinstall all removed parts. Then, reconnect the power cord and all disconnected cables to the computer. Wi-Fi card Prerequisite Before you start, read Appendix A “Important safety information” on page 79 and print the following instructions.
5. Reinstall all removed parts. Then, reconnect the power cord and all disconnected cables to the computer. M.2 solid-state drive Prerequisite Before you start, read Appendix A “Important safety information” on page 79 and print the following instructions. Replacement procedure 1.
2. Remove the front bezel. See “Front bezel” on page 43. 3. Pivot the drive bay assembly upward. See “Drive bay assembly” on page 49. 4. Remove the M.2 solid-state drive. See “M.2 solid-state drive” on page 65. 5. Remove the M.2 solid-state drive bracket. Lenovo V55t-15API User Guide...
6. Install the M.2 solid-state drive bracket. 7. Reinstall all removed parts. Then, reconnect the power cord and all disconnected cables to the computer. Power supply assembly Prerequisite Before you start, read Appendix A “Important safety information” on page 79 and print the following instructions.
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3. Pivot the drive bay assembly upward. See “Drive bay assembly” on page 49. 4. Disconnect the power supply assembly cables from the system board. 5. Remove the power supply assembly. 6. Install the power supply assembly. Lenovo V55t-15API User Guide...
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7. Connect the new power supply assembly cables to the system board. 8. Reinstall all removed parts. Then, reconnect the power cord and all disconnected cables to the computer. Chapter 7 CRU replacement...
How to access? Use Lenovo Vantage to: • Configure device settings. • Download and install UEFI BIOS, drivers and firmware • Open the Start menu and click Lenovo Vantage. updates. • Use Windows Search. • Secure you computer from outside threats.
Call Lenovo If you have tried to correct the problem yourself and still need help, you can call Lenovo Customer Support Center. Before you contact Lenovo Prepare the following before you contact Lenovo: 1. Record the problem symptoms and details: •...
• Lenovo hardware repair - If the problem is determined to be caused by Lenovo hardware under warranty, trained service personnel are available to provide the applicable level of service. • Engineering change management - Occasionally, there might be changes that are required after a product has been sold.
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Note: If you notice these conditions with a product (such as an extension cord) that is not manufactured for or by Lenovo, stop using that product until you can contact the product manufacturer for further instructions, or until you get a suitable replacement.
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Do not use them with any other products. For your safety, Lenovo provides a power cord with a grounded attachment plug to use with this product. To avoid electrical shock, always use the power cord and plug with a properly grounded outlet.
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If you intend to use your PC in a country or region that is different from your ordering location, please purchase an additional Lenovo power cord for the country or region where the PC will be used. Refer to the power cord guide provided in our Web site, , for details.
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Plugs and outlets DANGER If a receptacle (power outlet) that you intend to use with your computer equipment appears to be damaged or corroded, do not use the outlet until it is replaced by a qualified electrician. Do not bend or modify the plug. If the plug is damaged, contact the manufacturer to obtain a replacement.
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If the coin-cell battery is not a CRU, do not attempt to replace the coin-cell battery. Replacement of the battery must be done by a Lenovo-authorized repair facility or technician. The Lenovo-authorized repair facilities or technicians recycle Lenovo batteries according to local laws and regulations.
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computer, power adapter, and many accessories produce some heat during normal operation. Extended contact with the body could cause discomfort or, potentially, a skin burn. • Do not charge the battery or operate your computer, power adapter, or accessories near flammable materials or in explosive environments.
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Some laser products contain an embedded Class 3B laser diode. Note the following: Laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. Lenovo V55t-15API User Guide...
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Liquid crystal display (LCD) notice DANGER To avoid shock hazards: • Do not remove the covers. • Do not operate this product unless the stand is attached. • Do not connect or disconnect this product during an electrical storm. • The power cord plug must be connected to a properly wired and grounded power outlet. •...
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2 can be dangerous due to excessive sound pressure levels. If your Lenovo computer came with headphones or earphones in the package, as a set, the combination of the headphones or earphones and the computer already complies with the specifications of EN 50332-1. If different headphones or earphones are used, ensure that they comply with EN 50332-1 (Clause 6.5...
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For tips on how to minimize visual fatigue, please go to to visit https://www.lenovo.com/us/en/safecomp/ “Minimizing Visual Fatigue”. Tip-over hazard prevention notice The computer may cause harm to children if it is not located in an appropriate place. Follow the tips below to protect children from harm caused by the computer tipping over: •...
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This process might take up to two hours. Using the computer in a lower operating temperature might result in irreparable damage to your computer. Relative humidity • Operating: 20%-80% (non-condensing) • Storage: 20%–90% (non-condensing) Lenovo V55t-15API User Guide...
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The cause of a problem might be change in hardware, change in software, or any other actions that might have taken place. A log book can help you or a Lenovo technician determine the cause of a problem. • Back up your data on the storage drive regularly. You can restore the storage drive from a backup.
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Wipe or dust the stain gently with a soft, dry cloth. If the stain remains, moisten a soft, lint-free cloth with water or eyeglass cleaner, but do not apply liquids directly to your computer screen. Ensure that the computer screen is dry before closing it. Lenovo V55t-15API User Guide...
This chapter provides information about accessibility and ergonomics. Accessibility information Lenovo is committed to providing users who have hearing, vision, and mobility limitations with greater access to information and technology. This section provides information about the ways these users can get the most out of their computer experience.
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You can make the items on your screen easier to read by changing the item size. • To change the item size temporarily, use the Magnifier tool in Ease of Access Center. • To change the item size permanently: Lenovo V55t-15API User Guide...
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Your computer provides industry-standard connectors that enable you to connect assistive devices. Documentation in accessible formats Lenovo provides electronic documentation in accessible formats, such as properly tagged PDF files or HyperText Markup Language (HTML) files. Lenovo electronic documentation is developed to ensure that visually impaired users can read the documentation through a screen reader.
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Keep your forearms, wrists, and hands in a relaxed and neutral (horizontal) position. Type with a soft touch without pounding the keys. Leg position: Keep your thighs parallel to the floor and your feet flat on the floor or on a footrest. Lenovo V55t-15API User Guide...
The LLW also is preinstalled on the computer. To access the LLW, go to the following directory: /usr/share/doc/lenovo-doc If you cannot view the LLW either from the Web site or from your computer, contact your local Lenovo office or reseller to obtain a printed version of the LLW.
Lenovo cannot accept responsibility for any failure to satisfy the protection requirements resulting from a non-recommended modification of the product, including the installation of option cards from other manufacturers. This product has been tested and found to comply with the limits for Class B equipment according to European Standards harmonized in the Directives in compliance.
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Lenovo encourages owners of information technology (IT) equipment to responsibly recycle their equipment when it is no longer needed. Lenovo offers a variety of programs and services to assist equipment owners in recycling their IT products. For information about recycling Lenovo products, go to: https://www.lenovo.com/us/en/compliance/recycling...
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Collect and recycle a disused Lenovo computer or monitor If you are a company employee and need to dispose of a Lenovo computer or monitor that is the property of the company, you must do so in accordance with the Law for Promotion of Effective Utilization of Resources.
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If the battery needs to be replaced, contact your place of purchase or contact Lenovo for service. If you need to dispose of a lithium battery, insulate it with vinyl tape, contact your place of purchase or a waste-disposal operator, and follow their instructions.
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Disposing of battery packs from Lenovo products Your Lenovo device might contain a lithium-ion battery pack or a nickel metal hydride battery pack. You can find details on the battery pack in the product documentation. If you need to dispose of a battery pack, insulate it with vinyl tape, contact Lenovo sales, service, or your place of purchase, or a waste-disposal operator, and follow their instructions.
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Ukraine RoHS India RoHS RoHS compliant as per E-Waste (Management) Rules. Mainland China RoHS Lenovo V55t-15API User Guide...
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Federal Communications Commission (FCC) Supplier’s Declaration of Conformity The following information refers to Lenovo V55t-15API, machine types: 11CB and 11CC. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
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• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult an authorized dealer or service representative for help. Lenovo is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment. Unauthorized changes or modifications could void the user’s authority to operate the equipment.
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Klasse B. Dieses Gerät ist berechtigt, in Übereinstimmung mit dem Deutschen EMVG das EG-Konformitätszeichen - CE - zu führen. Verantwortlich für die Konformitätserklärung nach Paragraf 5 des EMVG ist die Lenovo (Deutschland) GmbH, Meitnerstr. 9, D-70563 Stuttgart. Japan VCCI Class B compliance statement...
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Energy aimed at saving money and protecting the environment through energy efficient products and practices. Lenovo is proud to offer products with the ENERGY STAR certified designation. Lenovo computers, if carry an ENERGY STAR mark, have been designed and tested to conform to the ENERGY STAR program requirements for computers as prescribed by the U.S.
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Lenovo encourages you to make efficient use of energy an integral part of your day-to-day operations. To help in this endeavor, Lenovo has preset a default power plan. To change the power plan, see “Set the power plan” on page 13.
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.
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Actual results may vary. Users of this document should verify the applicable data for their specific environment. This document is copyrighted by Lenovo and is not covered by any open source license, including any Linux agreement(s) which may accompany software included with this product. Lenovo may update this document at any time without notice.