Moze si tam spustit nejaku dell diagnostiku, ak to jeho notebook ma, to je ten dalsi link ktory vedie z toho tvojho v sekcii dell: http://en.community.dell.com/support-forums/deskto p/w/desktop/3624.beep-codes-and-psa-diagnostic-cha rt
Ale je to zvycajne tiez len take placebo.