Just like the description in the Subject, my Laptop PC automatically update KB4549951 this morning. After reboot, the system cannot find the external monitor connected through HDMI. It was normal before the update. I have tried another monitor with a new HDMI cable, still no show. Please help!!!!!
Hi,ThisisWil,oneoftheindependentadvisor,anexpertwithWindows10andafellowWindows10userlikeyou.Iunderstandyourconcernaboutconnectingyourcomputertoanexternalmonitor.Thereareacoupleofreasonswhyyourlaptopcannotdisplayonthe2ndmonitor.Let'strytocheckacoupleofthings.1.Kindlyconnectyourlaptoptotheexternalmonitor.2.Onyourcomputer,clickontheStartbuttonandclickonSettings.3.ClickontheSystemandclickonDisplayontheleftpanel.4.Thedisplayshoulddetect2displaysnow.Ifnot,kindlychecktheconnections.5.Ifyourcomputerdetects2displays,makesurethatMultipledisplaysissettoeitherExtendorDuplicate.YoumayalsopressWindowsbutton PtoopentheprojectionsettingandselecteitherExtendorDuplicateIhopetheinformationIprovidedwillhelpyou.ButIfyouneedfurtherassistance,pleasedoreplybackandIwillresearchmoreonthisissueandwillrespondasquicklyaspossiblewithadditionaloptionsfortroubleshooting.Haveaniceday.Thanks,WilfredP.IndependentAdvisor此是否有帮助？是否抱歉，这没有帮助。太棒了！感谢你的反馈。你对此的满意度如何?感谢你的反馈，它能帮助改进网站。你对此的满意度如何?感谢你的反馈。
HiWil,thanksforyourreply.Iknowthismethod,buttheproblemisafterthiswindowsupdate,thesystemcannotdetectthe2ndmonitor,andIdoubttheHDMIportisnotworkingaftertheupdate.IhavecheckedthedevicemanagerunderControlPanel;can'tfindthesecondmonitororanythingrelatedtoHDMI.Alsotriedscanningfornewdevicebutcan'tfindittoo.IdoubtitwasaproblemcausedbytheKB4549951update,asitwasworkingwellbeforetheupdate.Bestregards,Bern此是否有帮助？是否抱歉，这没有帮助。太棒了！感谢你的反馈。你对此的满意度如何?感谢你的反馈，它能帮助改进网站。你对此的满意度如何?感谢你的反馈。
HiBern.IfthisissuehappenedaftertheinstallationofupdateKB4549951,youmayrestoreyoursystemtoadatepriortotheinstallationoftheupdate.Youmayfollowthe"Restorefromasystemrestorepoint"instructiononthislinkhttps://support.microsoft.com/en-us/help/12415/.Afterthat,youmayhidetheupdateuntilanextupdateiscarriedout.https://support.microsoft.com/en-us/help/318392.此是否有帮助？是否抱歉，这没有帮助。太棒了！感谢你的反馈。你对此的满意度如何?感谢你的反馈，它能帮助改进网站。你对此的满意度如何?感谢你的反馈。
Thanksagain,Wil.Ifigureitoutalready.NeedtoupdatedriversfromLenovo(forThinkPad)tomakeitwork.Bestregards,Bern此是否有帮助？是否抱歉，这没有帮助。太棒了！感谢你的反馈。你对此的满意度如何?感谢你的反馈，它能帮助改进网站。你对此的满意度如何?感谢你的反馈。
Gladthatyouwereabletoresolveit.ThatwasalsooneofthetroubleshootingstepsthatIsawawhileagothoughwasn'tabletoconfirmiftheirissuewasresolvedby.Anyway,I'mjustgladthatitgotresolved.Ifyouneedfurtherassistancefeelfreetoreplybackorpostanewthreadforanotherissue.Byefornowandstaysafe.此是否有帮助？是否抱歉，这没有帮助。太棒了！感谢你的反馈。你对此的满意度如何?感谢你的反馈，它能帮助改进网站。你对此的满意度如何?感谢你的反馈。
