Check here, http://www.bleepingcomputer.com/startups/jqs.exe-23422.html
Java Quick Starter (JQS) improves the initial startup time of Java applets and applications.
Maybe it is not related, just co-incident.
you can just uninstall your Java Machine, restart your computer, see it the HD come back.
Check the cable connected to the HD, remove and plug again.
Attached the HD to an external enclosure, check if the HD is dead.
Process: jqs.exe [Java(TM) Quick Starter Service] -
路徑：C:\Program Files\Java\jre6\bin\jqs.exe
屬於：java資動啟動背景服務
敘述：Java 6+版本以上安安裝時的一個自動啟動背景服務
安全.
iThome鐵人賽
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