Toshiba PROL550 manual 17ButtonTroubleshooting, Procedure1 Diagnostictest

2￿Troubleshooting￿Procedures￿

Procedure￿1:￿ Diagnostic￿test￿

Procedure￿2:￿ Connector￿and￿replacement￿check￿

Procedure￿1￿ Diagnostic￿test￿

Run￿the￿functioning￿Program￿on￿Windows￿model,￿which￿will￿display￿the￿MIC￿test￿result.￿

If￿tests￿and￿diagnostics￿result￿abnormal￿go￿to￿Procedure￿2.￿If￿an￿error￿is￿not￿located,￿the￿MIC￿ module￿functioning￿is￿properly.￿

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Procedure￿2￿ Connector￿and￿replacement￿check￿

The￿MIC￿line￿or￿system￿board￿may￿be￿disconnected￿or￿damaged.￿￿Disassemble￿the￿computer￿ following￿the￿steps￿described￿in￿Chapter￿4,￿Replacement￿Procedures,￿and￿perform￿the￿ following￿checks.￿

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Check￿1￿ Make￿sure￿that￿the￿MIC￿line￿is￿securely￿slotted￿into￿the￿system￿board.￿If￿the￿ problem￿remains,￿go￿to￿Check￿2.￿

Check￿2￿ The￿MIC￿line￿may￿be￿damaged.￿Replace￿it￿with￿a￿new￿one￿following￿the￿ instructions￿in￿Chapter￿4.￿If￿the￿problem￿still￿exists,￿perform￿Check￿3.￿

Check￿3￿ The￿system￿board￿may￿be￿damaged.￿￿Replace￿it￿with￿a￿new￿one￿following￿the￿ instructions￿in￿Chapter￿4.￿

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2.17￿￿￿￿Button￿Troubleshooting￿

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SATELLITE￿L550￿/￿SATELLITE￿L555￿/￿SATELLITE￿L557￿/￿SATELLITE￿PRO￿L550￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿41￿