User Guide

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).
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
the BIOS code validation failure)
Replace the system board (service provider only).
0285: TCG-compliant functionality-related error (might be
the TPM initialization failure)
Replace the system board (service provider only).
0286: Integrated graphics error
Replace the system board (service provider only).
0287: Discrete graphics error
1. Reinstall or replace the discrete graphics card
(service provider only).
2. Replace the system board (service provider only).
0288: Computer display error
1. Reconnect the display cable on both the system
board side and the computer display side (service
provider only).
2. Replace the system board (service provider only).
Chapter 8. Troubleshooting computer problems 83