Lenovo IdeaPad U530 Touch Notebook Manuel d'utilisateur télécharger pdf (Page 31)

Chapter 4. Troubleshooting

Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Display problems

When I turn on the

computer, nothing appears

on the screen.

• Ifthescreenisblank,makesurethat:

‐ TheACpoweradapterisconnectedtothe

computer,andthepowercordispluggedintoa

workingelectricaloutlet.

‐ Thecomputerpowerison.(Pressthepowerbutton

againforconfirmation.)

‐ IfyouareusingtheACpower

adapterorthe

battery,andthebatterystatusindicatorison,press

F12()tomakethescreenbrighter.

• Iftheseitemsareproperlyset,andthescreenremains

blank,takethecomputerforrepair.

When I turn on the

computer, only a white

cursor appears on a blank

screen.

• Restorebacked‐upfilestoyourWindows

environmentortheentirecontentofyourharddisk

toitsoriginalfactorycontentusingtheLenovo

OneKeyRecoverysystem.Ifyoustillcanonlyseethe

cursoronthescreen,takethecomputerforrepair.

My screen goes blank while

the computer is on.

• Yourscreensaverorpowe rmanagementmaybe

enabled.Dooneofthefollowingto

exitthescreen

saverortoresumefromsleepmode:

‐ Touchthetouchpad.

‐ Pressanykeyonthekeyboard.

‐ Pressthepowerbutton.

‐ PressF9()toconfirmwhetherthebacklightfor

theLCDscreenhasbeenturnedoff.

‐ Iftheproblempersists,followthesolutionbelowin

“Thescreenis

unreadableordistorted.”

The screen is unreadable or

distorted.

• Makesurethat:

‐ Thedisplaydevicedriverisinstalledcorrectly.

‐ Thescreenresolutionandcolorqualityarecorrectly

set.

‐ Themonitortypeiscorrect.

Incorrect characters appear

on the screen.

• Aretheoperatingsystemorprogramsinstalled

correctly?Iftheyareinstalledandconfigured

correctly,takethecomputerforrepair.

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Lenovo IdeaPad U530 Touch Notebook Manuel d'utilisateur Page 31

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