Service manual

4.Troubleshooting
#5.external/Internalmicrophonedoesnotworknormally.
1
Checktheaudiodriversettingsandchangethemif
necessary.
2
ChecktheconnectionstatusoftheMICconnectorand
checkifthespeakerisoutoforder.
*Checkifitisoutoforder.
3
ChecktheMicjack.
4ReplaceMainBoard.*Checkifitisoutoforder.
#6.HDMIportdoesnotworknormally.
1
Systemmanagerconrmation.
(Video/Sound/Controllerconrmation)
→HDMIdriverRe-install.
2
ChecktheDisplayManagerworknormally.
→DisplayManagerprogramRe-install.
3
ChecktheControlpanel.
→CheckHDMIsectionenable.
4ReplaceMainBoard.*Checkifitisoutoforder.
#7.TheHDDisnotrecognized.
1
ChecktheconnectionstatusoftheHDDconnector.Fix
HDD,checkwhetherthesystemcanbefound.ifnot,
changetheconnectoronthemotherboardandcheck
again.
FormattheHDDandreinstalltheoperatingSystem.
2
Ifthe'Operatingsystemnotfound'messageappears
duringthebootingprocesseventhoughtheHDDis
recognizedbyCMOS,theoperatingsystemoftheHDD
maybecorruptedortheSSDisoutoforder.
ReplacetheHDDwithanewone.
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