There's a technote on it here. <BR><BR>The only "fix" is to update the BIOS. IF the vendor has addressed it. Most have, at least for their newer boards. ••• ...

If you cannot clear TPM in BIOS and see error 0x80290300, enable RESET of TPM from OS & OS Management of TPM, Clear TPM & Update BIOS, etc.

This BIOS message has popped up after I installed a PCI Matrox G450 Video card. I already have an existing video card, an AGP Geforce3. Now whenever I boot ...