2. Download the proper diagnostic app and install it on your smartphone. 3. Run the diagnostic app and place the smartphone near the computer. 4. Press the Fn key on your computer to emit the beep again. The diagnostic app decodes the beep error and shows possible solutions on the smartphone. The following section describes some beep errors and the corresponding solutions. Note: Do not attempt to service a product yourself unless instructed to do so by the Customer Support Center or product documentation. Only use a Lenovo-authorized service provider to repair your product. Error codes Solutions 0001: Reset error (platform reset not de-asserted) 1. Remove all power resources (the ac power adapter, removable battery, and coin-cell battery). If your computer has a built-in battery, reset the computer by inserting a straightened paper clip into the emergency-reset hole. Wait for one minute. Then reconnect all power resources. 2. Replace the system board (service provider only). 0002: Internal bus error Replace the system board (service provider only). 0281: General embedded controller error Replace the system board (service provider only). 0282: Memory module error 1. Reinstall or replace the memory module. 2. Replace the system board (service provider only). 0283: PCI resource error 1. Remove PCIe devices (the M.2 card, PCIe card, and so on) (service provider only). 2. Replace the system board (service provider only). 0284: TCG-compliant functionality-related error (might be Replace the system board (service provider only). the BIOS code validation failure) 0285: TCG-compliant functionality-related error (might be Replace the system board (service provider only). the TPM initialization failure) 0286: Integrated graphics error Replace the system board (service provider only). Chapter 4. Related service information 39