HP Workstation x4000 hp workstation x4000 - Technical Reference manual - Windo - Page 220

Troubleshooting Understanding the Diag LEDs Table 11-1 Diag LED Patterns (R = Red, Y = Yellow, G = Green, q = Off) Pattern Description qRqq The BIOS cannot load. Possible Solutionsa 1. Try using a known good keyboard in place of the current keyboard. Replace the keyboard if the error goes away. 2. Try removing the floppy disk drive, the optical drives, and any other IDE devices one at a time, restarting the Workstation each time. If it appears that one device is causing the error, replace it. 3. Try removing the I/O cards one at a time, restarting the Workstation each time. If it appears that one card is causing the error, replace it. 4. Reseat the RIMMs. 5. Remove the RIMMs. If the error goes away or changes, replace the RIMMs as described in "System Memory" on page 159. 6. If a second processor was just added, remove the second processor and restart the Workstation. If the error goes away, replace the second processor with one that is identical to the first processor as described in "Processor" on page 177. 7. Replace the system board as described in "System Board" on page 186. 220 Chapter 11