Manual

•Problem:Missing,discolored,orbrightdotsappearonthescreeneverytimeyouturnonyourcomputer.
Solution:ThisisanintrinsiccharacteristicoftheTFTtechnology.Yourcomputerdisplaycontains
multiplethin-filmtransistors(TFTs).Asmallnumberofmissing,discolored,orbrightdotsonthescreen
mightexistallthetime.
Externalmonitorproblems
•Problem:Theexternalmonitorisblank.
Solution:Tobringuptheimage,pressthedisplay-modeswitchingkey
andselectthedesired
monitor.Iftheproblempersists,dothefollowing:
1.Connecttheexternalmonitortoanothercomputertomakesurethatitworks.
2.Reconnecttheexternalmonitortoyourcomputer.
3.Refertothemanualshippedwiththeexternalmonitortochecktheresolutionsandrefreshratesthat
aresupported.
–Iftheexternalmonitorsupportsthesameresolutionasthecomputerdisplayorahigherresolution,
viewoutputontheexternalmonitororonboththeexternalmonitorandthecomputerdisplay.
–Iftheexternalmonitorsupportsalowerresolutionthanthecomputerdisplay,viewoutputonthe
externalmonitoronly.(Ifyouviewoutputonboththecomputerdisplayandtheexternalmonitor,
theexternalmonitorscreenwillbeblankordistorted.)
•Problem:Youcannotsetahigherresolutionthanthepresentoneonyourexternalmonitor.
Solution:Makesurethatthemonitorinformationiscorrect.Ifnecessary,updatethemonitordriver.
•Problem:Thescreenisunreadableordistorted.
Solution:Makesurethat:
–Themonitorinformationiscorrectandtheappropriatemonitortypeisselected.Refertothesolution
totheaboveproblem.
–Makesurethatanappropriaterefreshrateisselectedbydoingthefollowing:
1.Connecttheexternalmonitortothemonitorconnector,andthenconnectthemonitortoan
electricaloutlet.
2.Turnontheexternalmonitorandthecomputer.
3.Right-clickonthedesktop,anddothefollowing:
–ForWindows7:ClickScreenresolution.
–ForWindows10:ClickDisplaysettings➙Advanceddisplaysettings.
Note:Ifyourcomputercannotdetecttheexternalmonitor,clickDetect.
4.Clicktheiconforthedesiredmonitor(theMonitor-2iconisfortheexternalmonitor).
5.Dothefollowing:
–ForWindows7:ClickAdvancedSettings.
–ForWindows10:ClickDisplayadapterproperties.
6.ClicktheMonitortab.
7.Selectthecorrectscreenrefreshrate.
•Problem:Wrongcharactersaredisplayedonthescreen.
Solution:Didyoufollowthecorrectprocedurewheninstallingtheoperatingsystemorprogram?Ifyou
did,havetheexternalmonitorserviced.
100ThinkPadP70UserGuide