Chapter 6. Troubleshooting, Diagnostics, And Recovery; Basic Procedure For Resolving Problems; Troubleshooting; Startup And Shutdown Problems - Lenovo ThinkSmart Core Hardware Maintenance Manual

Chapter 6. Troubleshooting, diagnostics, and recovery

Basic procedure for resolving problems

Use the basic procedure as a starting point for resolving problems.
Prerequisite
Before you start, read "Read this first" on page i and print the following instructions.
1. Check that:
a. The cables for all connected devices are connected correctly and securely.
b. All components have been reassembled correctly.
c. All connected devices that require ac power are connected to properly grounded and working
electrical outlets.
d. All connected devices are enabled in UEFI BIOS.
2. See Chapter 6 "Troubleshooting, diagnostics, and recovery" on page 25 to resolve the problem you are
experiencing, run the diagnostic program, and recover your operating system.
3. If the problem persists, contact Lenovo. See Chapter 7 "Help and support" on page 35.

Troubleshooting

Use the troubleshooting information to find solutions to problems that have definite symptoms.

Startup and shutdown problems

Problem
The ThinkSmart Core does not start up after
the power button is pressed.
The ThinkSmart Core cannot be shut down
from the operating system.
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Solution
• Ensure that ThinkSmart Core is correctly connected to power
through the accompanying power adapter and power cord.
• Ensure that the ThinkSmart Core voltage matches the voltage
available at the electrical outlet for your country or region.
Press and hold the power button on the ThinkSmart Core for at least
four seconds to turn it off.
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