Dell XPS One 20 XPS One Setup Guide - Page 41

short beeps. This beep code tells you that the computer encountered a possible motherboard failure. If your computer beeps during start-up: 1. Write down the beep code and Contact Dell, see "Contacting Dell" on page 53. 2. Run the Dell Diagnostics to identify a more serious cause, see "Dell Diagnostics" on page 41. Code (repetitive short beeps) 1 2 3 Description BIOS ROM checksum in progress or failure; BIOS chip failure No RAM detected Chipset Error (North and South Bridge Chipset, DMA/ IMR/Timer Error for Intel platform); Chipset Error Using Support Tools Code (repetitive Description short beeps) 3 (continued) Time-Of-Day Clock test failure Gate A20 failure Super I/O chip failure Keyboard controller test failure 4 RAM Read/Write failure 5 Real-time clock power failure 6 Video BIOS Test failure System Messages If your computer has an issue or error, it may display a system message that will help you identify the cause and action needed to resolve the issue. 39