41￿Troubleshooting￿Procedures￿

Replace￿with￿a￿new￿antenna￿following￿the￿steps￿in￿Chapter￿4,￿Replacement￿ Procedures.￿If￿the￿problem￿persists,￿or￿if￿the￿wireless￿LAN￿LED￿is￿not￿light￿when￿ the￿wireless￿communication￿switch￿is￿turned￿to￿“On”,￿go￿to￿Check￿3.￿

Check￿3￿ The￿wireless￿LAN￿unit￿may￿be￿damaged.￿Replace￿it￿with￿a￿new￿one￿following￿the￿

instructions￿in￿Chapter￿4.￿If￿the￿problem￿still￿exists,￿perform￿Check￿4.￿

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

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QOSMIO￿F50-￿QOSMIO￿F55-￿DYNABOOK￿QOSMIO￿F50￿Series￿Maintenance￿Manual￿ ￿

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41￿

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Toshiba Qosmio F50 manual 41TroubleshootingProcedures