Lenovo Laptop Suddenly Restarts After a While


If your Lenovo laptop suddenly restarts, you may be experiencing issues with your computer settings or software. If you’re unable to identify the problem, here are some steps that you can take to discover and resolve the cause.

Download Diagnostic

You’re just 3 steps away from automatically fixing this problem….

  1. Download and install Diagnostic
  2. Perform driver update.
  3. Restart your computer.

Estimated Download Time: 10 Seconds

Search for Updates

Random system reboots are very common on older lappies. Make sure you updated Windows with latest available updates from techno-giant Microsoft.

1. Click Start, type Windows Update in the Search Box.


2. Open Windows Update from the Search Results.

Update PC to fix Lenovo laptop suddenly restarts

3. Click Check for Updates button.

Update Checkup in Lenovo laptop

Recognize Faulty Startups

Windows 10 shouldn’t restart as frequently as it’s previous counterpart Windows 95. However some third party applications may be conflicting with the functioning of Windows, and causing it to restart automatically. By identifying and turning off such startup items, you can fix your issue.

1. Press Windows Key + X; select Task Manager.

2. Click More details.


3. Click the Startup tab.


4. Disable each Non-Microsoft startup application. (Right click > Disable)

disable startup in laptop

Create a Self Bootable USB Flash Drive

The following command-lines delete everything stored on your USB Flash Drive and create a Bootable primary partition. Remember, this operation cannot be undone. Backup any files stored on USB Flash Drive to another storage drive to ensure no data loss.

1. Connect your USB Flash Drive to the Lenovo laptop.

2. Press Windows Key + X; select Command Prompt (Admin).

3. Execute below commands in given sequence:


4. After successful completion, copy the contents of Windows installation disc to your USB Flash Drive, and reboot.

diskpart command in Lenovo

5. When you’re prompted to press any key, go ahead and boot from your USB Stick.

Reset BIOS Configs To Fix Lenovo Laptop Suddenly Restarts

A recent change to your BIOS settings may have caused unexpected reboots. Enter the BIOS Setup. Reset your BIOS settings, including SATA and IDE configurations, to factory defaults.

1. Click Start, select Settings.

Lenovo laptop Settings icon

2. Click Update & Security | Recovery.


3. Click Restart now under Advanced Startup category.


4. Your laptop screen will dim off and on again after a while.

5. After the page is open, click the Troubleshoot option.

6. Click Advanced Options.

7. Click UEFI Firmware Settings.

8. Click Restart button.

9. Once you’re loaded into the BIOS Setup, move and select Exit | Restore default settings.

10. Again, select Exit | Save changes & exit.