By Ailsa / Last Updated February 26, 2020

Low Disk Space in Lenovo Q Drive Problem

For Lenovo users, you are likely to encounter this error message “Low disk space you’re running out of on Lenovo_Recovery (Q:). Click here to see if you can free space on this drive”, this error message will pop up constantly, it’s quite annoying.

Why this Lenovo low disk space error on Q drive appears? The recovery Q partition on Lenovo computer around 10GB designed for system rescue and recovery to restore your Lenovo computer like ThinkPad, ThinkCentre, ThinkStation to factory settings. In other words, the Lenovo recovery Q drive contains the recovery image and has enough extra space to avoid “low disk” warning. If you got this low disk error message, it might indicate that some other data or your personal files like your backups have been written to the Q drive.

Quick Solution

If you select the Lenovo Recovery Q partition to save the backups unintentionally, Check your backup location and change another destination to save the backup image file. And move your backups to safe place, this Lenovo Q drive low disk space warning should be gone.

Disable Low Disk Space Alert

If you don’t want to know why it happened and don’t want to see this error message again, just disable the low disk space notification. Here is how.

  • Enter “regedit” in Windows search box, hit “Enter” to Registry Editor.

  • Locate the location:


  • Right click “Explorer” and create a new DWORD, named it as “NoLowDiskSpaceChecks” and set value to 1.


No Low Disk Space Checks

Set Value 1

  • Locate another location:


  • And do the same thing.

Create Recovery Media and Delete Q Drive

If you have recovery media for your Lenovo computer, there is no reason to have this Q partition. If else, create a rescue recovery media before deleting.

To make it easy, double click the Q drive and follow the prompts to create recovery drive. After creating, you have to delete the Q drive to free up space. The Lenovo Q drive low disk space will never bother you again.

There are two ways to delete Lenovo recovery Q drive: Disk Management and AOMEI Partition Assistant Professional.

Delete with Disk Management

  • Right click on "This PC" > Manage > Storage >Disk Management.

  • Right click the Lenovo Recovery Q drive and select “Delete Volume”.

Delete Volume

Delete With AOMEI Partition Assistant

In addition, you can use the disk partitioning software-AOMEI Partition Assistant Professional to delete Lenovo Q drive after creating recovery media.

Step 1. Download AOMEI Partition Assistant Professional, install and launch it. On the main console, right click Lenovo Q drive and choose “Delete Partition”.

Delete Partition

Step 2. Select a way to delete Q drive. “Delete partition quickly” or “Delete partition and prevent data recovery, it will take more time”, then hit “OK”.

Delete Method

Step 3. Click “Apply” to make the Q drive as an unallocated space.


If you want to make full use of the unallocated space in your computer, you can use AOMEI Partition Assistant Professional to merge it to system drive. Or create partition on it to save other data.


This software also allows you to restore Lenovo Recovery Q drive as long as it’s not overwritten after deletion. Besides, you can use the professional software to migrate OS to SSD drive, Allocate free space from one to another drive, and many more.

With the detailed instructions, the Lenovo recovery partition almost full problem will be fixed effortlessly.