Lenovo thinkcentre x1 - Screen problems; My screen goes blank while the computer is on; Networking problems

•EnsurethatthestoragedriveyourcomputerstartsupfromislistedasthefirststartupdeviceintheSetup
Utilityprogram.Referto“Changingthestartupdevicesequencepermanently”onpage32
.
Note:Inrarecases,thestoragedrivewiththeoperatingsystemmightgetcorruptedordamaged.Insuch
cases,youmightneedtoreplacethestoragedrive.RefertoChapter7“Installingorreplacinghardware”
onpage47
.
Screenproblems
Thissectionprovidessolutionstoscreen-relatedproblems.
Myscreengoesblankwhilethecomputerison
Solutions:
•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletforyourcountryorregion.
•Pressakeytoexitthescreensaver.
•Pressthepowerbuttontoresumethecomputerfromsleeporhibernationmode.
•Thebrightnessandcontrastissetcorrectly.
•IfthescreengoesblankwhenIstartsomeapplicationprograms,installthedevicedriversforthe
applicationprograms.Refertothedocumentationfortheaffectedapplicationprogramtocheckwhether
anydevicedriversarerequired.
Theimageappearstobeflickering
Solutions:
•Thescreenmightbeaffectedbyinterferencefromnearbyequipment.Magneticfieldsaroundother
devices,suchastransformers,appliances,fluorescentlights,andothermonitorsmightbecausingthe
problem.Movefluorescentdesklightingoranyequipmentthatproducesmagneticfieldsfartheraway
fromthescreen.Ifthisdoesnotcorrecttheproblem,turnoffthecomputer.Then,adjusttheplacementof
thecomputerandotherdevicessothattheyareatleast305mm(12inches)apart.Turnonthecomputer.
•Resettherefreshratesupportedbyyourcomputer.
1.Right-clickablankareaonthedesktop.
2.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClickScreenresolution➙Advancedsettings.
–ForWindows10:ClickDisplaysettings.OntheDisplaytab,clickAdvanceddisplaysettings➙
Displayadapterproperties.
3.ClicktheMonitortab,andthenresettherefreshratetobethehighestandnoninterlaced.
Theimageisdiscolored
Solution:Thescreenmightbeaffectedbyinterferencefromnearbyequipment.Movefluorescentdesk
lightingoranyequipmentthatproducesmagneticfieldsfurtherawayfromthescreen.Iftheproblem
persists,dothefollowing:
1.Turnoffthecomputer.
2.Adjusttheplacementofthecomputerandotherdevicessothattheyareatleast305mm(12inches)
apart.
3.Turnonthecomputer.
Networkingproblems
Thissectionprovidessolutionstonetworking-relatedproblems.
Chapter6.Troubleshooting,diagnostics,andrecovery39