If you prefer not to open the chassis, Dell has a built-in recovery sequence to reset the system state. Shut down the laptop and unplug the power cable. Step 2: Press and hold Ctrl + Esc on the keyboard.
If the device is detected but "not ready," you may need to manually flash the firmware using the Dell TPM 2.0 Firmware Update Utility . Solved: Dell Vostro 5568 - Alert! TPM device not detected. dell vostro 5568 tpm device not detected repack
Reconnect everything and power on. Check the BIOS (F2) under Security to see if the TPM 2.0 option has reappeared. 2. BIOS/CMOS Recovery Shortcut If you prefer not to open the chassis,