The Config - MoBo - Asus A8N SLI Deluxe - 939 Soccket. BIOS - Asus A8N SLI Deluxe ACPI BIOS Revision 1006 - Release - 03/03/05 800 Mhz - FSB. AMD Athlon 64 - 3200+ - 939 Pin. 512 * 2 DDR RAM - Dual Channel Hynix - 400 Mhz. 160 GB - Seagate SATA HDD. Win XP with SP2. I have these monitoring software installed on my PC - these software came with the MoBo Asus Probe 2 Asus AI Booster The Problem - I got a warning on ASUS Probe saying that the chipset fan speed is below minimum threshold. I also heard creaking sounds in the CPU. Then, After a few minutes, the fan was at 10,000 RPMs. And the noise was gone. When I checked - both the softwares were showing the same fan speed. When I booted up the next day I got this Message - "Warning - ChipSet Fan has stopped or is too slow. Press F1 to Continue" How do I solve this? Plz Help ThanX in Adv.