Want to know if it's safe to clear the TPM? The answer is yes. Keep reading to learn how to clear it properly and when it’s not necessary to do so.
Generally, users may need to clear the TPM (Trusted Platform Module) when resetting, reinstalling, or selling a computer—especially if BitLocker encryption was used. Clearing TPM removes all stored security data like encryption keys, PINs, and certificates. This ensures the new user can set up the system securely from scratch and helps prevent privacy leaks. It’s especially important when handing over a used PC to someone else.
But is it safe to clear the TPM? The answer depends on your situation. When you clear the TPM, all the data stored in it will be permanently erased. If you don’t save these items beforehand, you could lose access to your files or system. So yes, it is safe to clear the TPM, but only if you take the right precautions. Before doing it:
In summary, clearing TPM is safe if you prepare carefully. It’s often a good idea when resetting or selling a computer, but always back up important data first.
Now, you know it is safe to clear the TPM in Windows in general cases. There are 2 ways you can to do this.
Step 1. Type "Windows Security" in the search bar and click the top result to open it. In the left menu, choose Device Security, then on the right side, click Security processor details.
Step 2. Click Security processor troubleshooting.
Step 3. Click Clear TPM. When prompted, select Clear and restart, then follow the on-screen instructions to complete the process.
After the computer restarts, Windows will automatically reinitialize the TPM and take ownership again.
Step 1. Press Win + R to open the Run dialog, then type tpm.msc and press Enter to launch the Trusted Platform Module Management window.
Step 2. In the Actions section, click Clear TPM, choose Restart, and then follow the instructions shown on the screen to finish the process.
If you want to turn off BitLocker without clearing the TPM, AOMEI Partition Assistant is a great choice. This user-friendly tool makes it easy to manage BitLocker, even on Windows Home editions where BitLocker isn’t normally available.
With this software, you can disable BitLocker in just a few clicks—no need to run complex commands in Command Prompt, PowerShell, or even clear TPM. It also lets you back up BitLocker recovery key, change the password, lock or unlock the drive, and fully turn off BitLocker when needed. It’s a safe and simple way to manage BitLocker without affecting the TPM.
The Best Windows Disk Partition Manager and PC Optimizer
Step 1. Locate the encrypted drive you want to decrypt, then click the option "Turn off BitLocker".
Step 2. You have two options for decrypting the drive: Use password to decrypt the drive or Use recovery key to decrypt the drive. Choose the method that suits your needs. And then begin the closing process.
If you don't intend to decrypt the BitLocker drive by clearing TPM but still need to reset or reinstall your Windows PC, AOMEI Partition Assistant can help you with that as well.
Before reinstalling Windows, you may need to delete or reformat old partitions to make space for a clean installation. AOMEI Partition Assistant allows you to do this easily after backing up your data, helping prevent leftover files or conflicts during setup.
The Best Windows Disk Partition Manager and PC Optimizer
Step 1. Open AOMEI Partition Assistant. Then, all disks and partitions will be displayed on the main interface. Right-click on the partition you want to format and select “Format Partition”.
Step 2. Preset a partition label and a file system and click on “OK” to proceed.
Step 3. After returning to the main window, hit “Apply” on the upper left and click on “Proceed” to finish the task.
Within several seconds, the operation will be finished.
Some systems require a specific disk type like GPT or MBR for installation, especially when switching between BIOS and UEFI boot modes. AOMEI Partition Assistant can convert between these formats without losing data, making your drive ready for reinstallation without complex manual steps. Here we take converting MBR to GPT as an example. If you need to convert GPT to MBR, please refer to this guide.
The Best Windows Disk Partition Manager and PC Optimizer
Step 1. Install and launch the software, right-click the MBR disk you want to change, and then choose Convert to GPT or click the disk and choose Convert to GPT from the right column.
Step 2. In the pop-up windows, click OK to continue.
Step 3. Click Apply > Proceed to operate, and then your disk will be changed into GPT disk style.
With the help of the AOMEI Partition Assistant, it is quite easy to change a disk from MBR to GPT, or GPT to MBR without losing any data, and vice versa. To convert MBR to GPT without losing data on Server 2012/2016/2019/2022, you need to turn to the AOMEI Partition Assistant Server Edition, which is designed for both Server and Windows OS.
Clearing the TPM on Windows 10 is safe as long as you prepare properly. It's especially useful when resetting, reinstalling, or selling a PC, helping to protect your privacy by removing sensitive data like encryption keys and login credentials. However, since this action permanently deletes TPM-stored data, it's important to back up recovery keys, decrypt BitLocker drives if necessary, and follow the correct steps.
If you want to manage BitLocker or prepare your disk without clearing TPM, AOMEI Partition Assistant offers an easier and safer solution. Whether you're disabling BitLocker, formatting partitions, or converting disk types, it helps you handle the process smoothly—no need for complex tools or risk of data loss.