: HP Pavilion (e.g., dv6, dv7), Envy, and several ProBook or EliteBook models from the Ivy Bridge/Sandy Bridge hardware generations. Common Fixes
sp64144.exe is an official HP SoftPaq update containing the IDT High-Definition (HD) Audio Driver sp64144.exe
: Resolves issues where audio is missing, "red X" icons appear on the speaker taskbar, or internal microphones stop working after a Windows update. Performance & Reliability : HP Pavilion (e