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Serial connector problems

Problem

Solution

The serial connector cannot be accessed.

•  Connect the serial cable from the serial connector on the computer 

to the serial device. If the serial device has its own power cord, 
connect the power cord to a grounded electrical outlet.

•  Turn on the serial device and keep the device online.

•  Install any programs supplied with the serial device. Refer to the 

documentation that comes with the serial device for more 
information.

•  If you added one serial-connector adapter, ensure that the adapter 

is installed correctly.

USB device problems

Problem

Solution

A USB device cannot be accessed.

•  Connect the USB cable from the USB connector to the USB 

device. If the USB device has its own power cord, connect the 
power cord to a grounded electrical outlet.

•  Turn on the USB device and keep the device online.

•  Install any device drivers or programs supplied with the USB 

device. 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.

Software problems

Problem

Solution

Some programs do not work as expected.

1.  Check whether the problem is caused by a program. 

a.  Ensure that the software is compatible with the computer. 

Refer to the information supplied with the software for more 
information.

b.  Verify that other software works correctly on the computer.

c.  Verify that the software you are using works on another 

computer.

2.  If the problem is caused by a program: 

•  Refer to the printed documentation that comes with the 

program or the help system of the program.

•  Update the program.

•  Uninstall the program and then reinstall it. To download a 

program that is preinstalled on your computer, go to 

https:// 

pcsupport.lenovo.com

and follow the on-screen instructions.

Lenovo diagnostic tools

For information about Lenovo diagnostic tools, go to: 

Chapter 6

.

Troubleshooting, diagnostics, and recovery

23

Summary of Contents for ThinkCentre neo 50s Gen 3

Page 1: ...neo 50s Gen 3 User Guide ...

Page 2: ...Warranty Guide Generic Safety and Compliance Notices Setup Guide First Edition November 2021 Copyright Lenovo 2021 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 35F 05925 ...

Page 3: ...the system date and time 14 Change the boot priority order 14 Enable or disable the configuration change detection feature 14 Enable or disable the automatic power on feature 15 Enable or disable the smart power on feature for selected models 15 Enable or disable the ErP LPS compliance mode 15 Change the ITS performance mode 16 Change BIOS settings before installing a new operating system 16 Updat...

Page 4: ...port Center 44 Purchase additional services 45 Appendix A Supplemental information about the Ubuntu operating system 47 Appendix B Compliance information 49 Appendix C Notices and trademarks 51 ii neo 50s Gen 3 User Guide ...

Page 5: ...formation Illustrations in this documentation might look different from your product Depending on the model some optional accessories features software programs and user interface instructions might not be applicable to your computer Documentation content is subject to change without notice To get the latest documentation go to https pcsupport lenovo com Copyright Lenovo 2021 iii ...

Page 6: ...iv neo 50s Gen 3 User Guide ...

Page 7: ...ity indicator 6 Microphone connector 7 Headset connector 8 SD card slot 9 USB C 3 2 Gen 1 connector 10 USB 3 2 connectors Gen 1 11 Internal speaker for selected models Power indicator Show the system status of your computer On The computer is starting up or working Off The computer is off or in hibernation mode Blinking The computer is in sleep mode Copyright Lenovo 2021 1 ...

Page 8: ...er on feature 7 USB 3 2 connector Gen 1 8 PCI Express card area 9 Power cord connector 10 Padlock loop 11 Security lock slot 12 Serial connector 13 Ethernet connector 14 Smart cable clip slots 15 Serial connector for selected models Serial connector Connect an external modem a serial printer or other devices that use a serial connector 2 neo 50s Gen 3 User Guide ...

Page 9: ...er enter Settings and click About Memory Up to two double data rate 4 DDR4 non error correction code non ECC unbuffered dual in line memory modules UDIMMs Maximum memory capacity 64 GB Storage device Hard disk drive M 2 solid state drive To view the storage drive capacity of your computer use the Disks application Note The storage drive capacity indicated by the system is less than the nominal cap...

Page 10: ...elp expand your computer functionality To purchase USB C accessories go to https www lenovo com accessories 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 ...

Page 11: ...ws logo or open the Activities menu on the top left and type in the name of the application you want to launch Click the Show Applications button on the lower left and select the application you want to launch Launch settings Open the system menu from the top right corner and click Settings Access networks This section helps you access networks through connecting to a wired or wireless network Con...

Page 12: ... a monitor to your computer to give presentations or expand your workspace Change display settings Right click a blank area on the desktop and select Display settings Then you can change display settings as you prefer Manage cables with a smart cable clip Note You can purchase a smart cable clip from Lenovo To manage cables of devices such as the keyboard and the mouse with a smart cable clip 1 Pu...

Page 13: ...customize a power plan of your preference Transfer data Quickly share your files using the built in Bluetooth technology among devices with the same features You also can install a disc or media card to transfer data Connect to a Bluetooth enabled device for selected models You can connect all types of Bluetooth enabled devices to your computer such as a keyboard a mouse a smartphone or speakers P...

Page 14: ... of the screen select Open with CD DVD Creator 3 Follow the on screen instructions Use a media card for selected models If your computer has an SD card slot read the following information Install a media card 1 Locate the SD card slot 2 Ensure that the metal contacts on the card are facing the ones in the SD card slot Insert the card firmly into the SD card slot until it is secured in place Remove...

Page 15: ...rformance of the locking device and security feature You can purchase computer locks from Lenovo Padlock Locking the computer cover through a padlock prevents unauthorized access to the inside of your computer Kensington style cable lock Lock your computer to a desk table or other fixtures through a Kensington style cable lock Copyright Lenovo 2021 9 ...

Page 16: ...cess 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 Note After you set a hard disk password your data on the storage drive is protected even if the storage drive is removed from one computer and installed in another System management password for selected models You can enable the system man...

Page 17: ...r Fn F12 5 Select App Menu secure wipe and press Enter 6 Select the storage drive you will wipe and click NEXT 7 Select the entire storage drive or partition to wipe as desired 8 Select the method as desired and click NEXT 9 Click Yes to confirm your option when the prompting window is displayed 10 If you have set a hard disk password for the storage drive enter the password Otherwise set a tempor...

Page 18: ... that helps prevent data from being copied from the computer to USB storage devices connected to the computer You can set the Smart USB Protection function to one of the following modes Disabled default setting You can use the USB storage devices without limitation Read Only You cannot copy data from the computer to the USB storage devices However you can access or modify data on the USB storage d...

Page 19: ...d enter the BIOS menu However you cannot change the system configurations that are protected by passwords Navigate in the BIOS interface Attention The default configurations are already optimized for you in boldface Improper change of the configurations might cause unexpected results Depending on your keyboard you can navigate in the BIOS interface by pressing the following keys or combinations of...

Page 20: ...ot Device and then follow the on screen instructions to select the first boot device within this group Your computer will boot from the first boot device before trying the boot priority order you set in the previous step 5 Press F10 or Fn F10 to save the changes and exit Select a temporary boot device Note Not all discs and storage drives are bootable 1 Depending on the type of the storage device ...

Page 21: ...cted to a USB connector supporting the smart power on feature With the smart power on feature enabled you can start up or wake up the computer from the hibernation mode by pressing Alt P To enable or disable the smart power on feature 1 Restart the computer When the logo screen is displayed press F1 or Fn F1 2 Select Power Smart Power On and press Enter 3 Enable or disable the feature as desired 4...

Page 22: ...the performance mode as desired 5 Press F10 or Fn F10 to save the changes and exit Change BIOS settings before installing a new operating system BIOS settings vary by operating system Change the BIOS settings before installing a new operating system To change the BIOS settings 1 Restart the computer When the logo screen is displayed press F1 or Fn F1 2 From the main interface select Security Secur...

Page 23: ...n 10 Reinstall all the parts that have been removed Then reconnect the power cords for the computer and the monitor to electrical outlets 11 Turn on the computer and the monitor When the logo screen is displayed press F1 or Fn F1 12 To prevent data loss ensure that BIOS settings are restored to an earlier point For BIOS configurations see Chapter 5 UEFI BIOS on page 13 Clear CMOS 1 Remove all medi...

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Page 25: ...and support on page 43 Troubleshooting Use the troubleshooting information to find solutions to problems that have definite symptoms Startup problems Problem Solution The computer does not start up when you press the power button Ensure that the power cord is correctly connected to the rear of the computer and to a working electrical outlet If the computer has a secondary power switch on the rear ...

Page 26: ... with your LAN administrator for the necessary networking software Set the same duplex for the switch port and the adapter If you configured the adapter for full duplex ensure that the switch port is also configured for full duplex Setting a wrong duplex mode might degrade performance cause data loss or result in lost connections When a Gigabit Ethernet model computer is used at a speed of 1000 Mb...

Page 27: ...ect the drive to analyze 3 Use the results to track down where your space is being used and clean up appropriately The free memory space is insufficient Launch the System Monitor application Use the Memory column to determine which processes are using memory and can be ended Storage drive problems Problem Solution Some or all storage drives are missing from the BIOS menu Ensure that the signal cab...

Page 28: ...changed A black screen is displayed instead of the DVD video Restart the DVD player program Try a lower screen resolution or color depth Close any open files and then restart the computer A DVD movie does not play Ensure that the disc surface is clean and not scratched Check the disc or packaging for regional coding You might need to purchase a disc with coding for the region where you are using t...

Page 29: ...h the USB device 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 Software problems Problem Solution Some programs do not work as expected 1 Check whether the problem is caused by a program a Ensure that the software is compatible w...

Page 30: ...https pcsupport lenovo com lenovodiagnosticsolutions 24 neo 50s Gen 3 User Guide ...

Page 31: ...able from Lenovo at any time upon request You might be required to return the defective part that is replaced by the CRU When return is required 1 return instructions a prepaid shipping label and a container will be included with the replacement CRU and 2 you might be charged for the replacement CRU if Lenovo does not receive the defective CRU within thirty 30 days of your receipt of the replaceme...

Page 32: ... off all connected devices and the computer 2 Disconnect all power cords from electrical outlets and disconnect all cables from the computer Removal step Computer cover Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions Before you open the computer cover turn off the computer and wait several minutes until the computer is cool For access d...

Page 33: ... the computer cover 4 Remove the vertical stand if any See Vertical Stand on page 26 Removal steps Front bezel Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access remove the computer cover See Computer cover on page 26 Replacement procedure Chapter 7 CRU replacement 27 ...

Page 34: ...d print the following instructions For access do the following 1 Remove the computer cover See Computer cover on page 26 2 Remove the front bezel See Front bezel on page 27 3 Disconnect the signal cable and power cable from the optical drive Replacement procedure 28 neo 50s Gen 3 User Guide ...

Page 35: ...ernal 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 Chapter 7 CRU replacement 29 ...

Page 36: ...rive subject to physical shocks or vibration Put the internal storage drive on a soft material such as cloth to absorb physical shocks For access do the following 1 Remove the computer cover See Computer cover on page 26 2 Remove the front bezel See Front bezel on page 27 3 Remove the optical drive if any See Optical drive on page 28 4 Disconnect the signal cable and the power cable from the hard ...

Page 37: ...Chapter 7 CRU replacement 31 ...

Page 38: ...Replacement procedure of the 3 5 inch hard disk drive and bracket 32 neo 50s Gen 3 User Guide ...

Page 39: ...Chapter 7 CRU replacement 33 ...

Page 40: ...nt the following instructions Ensure that you follow the installation order for memory modules shown in the following illustration For access do the following 1 Remove the computer cover See Computer cover on page 26 2 Remove the front bezel See Front bezel on page 27 34 neo 50s Gen 3 User Guide ...

Page 41: ...ing 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 Before replacing the internal storage drive make a backup copy of all the data that you want to keep Do not touch the contact edge of the internal storage drive Otherwise the internal storage dri...

Page 42: ...k drive on page 29 Removal steps Remove the M 2 solid state drive depending on the computer model Type 1 Type 2 Note Remove the film that covers the thermal pad if any when installing the M 2 solid state drive Coin cell battery Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions 36 neo 50s Gen 3 User Guide ...

Page 43: ...following 1 Remove the computer cover See Computer cover on page 26 2 Remove the front bezel See Front bezel on page 27 3 Remove the optical drive if any See Optical drive on page 28 4 Remove the hard disk drive if any See Hard disk drive on page 29 Removal steps Note After installing a new coin cell battery reset the system date and time in the UEFI BIOS menu Heat sink and fan assembly Prerequisi...

Page 44: ...embly to free it from the microprocessor Do not touch the thermal grease while handling the heat sink and fan assembly 2 Position the heat sink and fan assembly on the system board Ensure that the four screws are aligned with the holes in the system board Follow the following sequence to tighten the four screws to secure the new heat sink and fan assembly Do not over tighten the screws Partially t...

Page 45: ...ng 1 Remove the computer cover See Computer cover on page 26 2 Disconnect the PCI Express connector cable from the system board Removal steps PCI Express card Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access remove the computer cover See Computer cover on page 26 Chapter 7 CRU replacement 39 ...

Page 46: ...ety and Compliance Notices and print the following instructions Although there are no moving parts in the computer after the power cord has been disconnected the following warnings are required for your safety Keep fingers and other parts of your body away from hazardous moving parts If you suffer an injury seek medical care immediately Never remove the cover on a power supply or any part that has...

Page 47: ...s contact a service technician For access do the following 1 Remove the computer cover See Computer cover on page 26 2 Remove the front bezel See Front bezel on page 27 3 Remove the optical drive if any See Optical drive on page 28 4 Remove the hard disk drive if any See Hard disk drive on page 29 5 Disconnect the power supply assembly cables from the system board Removal steps Chapter 7 CRU repla...

Page 48: ...42 neo 50s Gen 3 User Guide ...

Page 49: ...ide Regulatory Notice Go to https pcsupport lenovo com Then follow the on screen instructions to filter out the documentation you want Lenovo Support Web site with the latest support information of the following Drivers and software Diagnostic solutions Product and service warranty Product and parts details Knowledge base and frequently asked questions https pcsupport lenovo com Ubuntu help inform...

Page 50: ...em be reproduced If so how 2 Record the system information Product name Machine type and serial number The following illustration shows where to find the machine type and serial number of your computer Lenovo Customer Support Center During the warranty period you can call Lenovo Customer Support Center for help Telephone numbers For a list of the Lenovo Support phone numbers for your country or re...

Page 51: ...to your hardware available Services not covered Replacement or use of parts not manufactured for or by Lenovo or nonwarranted parts Identification of software problem sources Configuration of UEFI BIOS as part of an installation or upgrade Changes modifications or upgrades to device drivers Installation and maintenance of network operating systems NOS Installation and maintenance of programs For t...

Page 52: ...46 neo 50s Gen 3 User Guide ...

Page 53: ...ot find the Help icon from the Launch bar click the Search icon on the bottom left and type Help to search it To learn more about the Ubuntu operating system go to https www ubuntu com Get support information If you need help service technical assistance or more information about the Ubuntu operating system or other applications contact the provider of the Ubuntu operating system or the provider o...

Page 54: ...est Be sure to provide a return address The open source software is distributed in hope it will be useful but WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE See for example the GNU General Public License and or the Lesser General Public License for more information To view additional information regarding licenses acknowledgments and r...

Page 55: ...urther compliance information related to your product is available at https www lenovo com compliance Operating environment Maximum altitude without pressurization Operating From 0 m 0 ft to 3048 m 10 000 ft Storage From 0 m 0 ft to 12192 m 40 000 ft Temperature Operating From 5 C 41 F to 35 C 95 F Storage For common desktop computers From 40 C 40 F to 60 C 140 F For all in one desktop computers F...

Page 56: ...50 neo 50s Gen 3 User Guide ...

Page 57: ...ht to improve and or modify the products and software programs described in the manuals included with your computer and the content of the manual at any time without additional notice The software interface and function and hardware configuration described in the manuals included with your computer might not match exactly the actual configuration of the computer that you purchase For the configura...

Page 58: ...y update this document at any time without notice For the latest information or any questions or comments contact or visit the Lenovo Web site https pcsupport lenovo com Trademarks LENOVO LENOVO logo THINKCENTRE and THINKCENTRE logo are trademarks of Lenovo Intel and Thunderbolt are trademarks of Intel Corporation or its subsidiaries in the U S and or other countries Microsoft Windows and Cortana ...

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