Users Manual

26
Chapter 4. Troubleshooting
Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Display problems
When I turn on the
computer, nothing appears
on
the screen.
•Ifthesc
reenisblank,makesurethat:
‐ TheACpow
eradapterisconnectedtothe
computer,andthepowercordispluggedintoa
workingelectricaloutlet.
‐ Thecom
puter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the
seitemsaresetcorrectly,andthescreen
remainsblank,havethecomputerserviced.
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contentsofyourharddisk
toitsoriginalfactorycontentsusingtherecovery
system.Ifyoustillseeonlythecursoronthescreen,
havethecomputerserviced.
My screen goes blank while
the computer is on.
•Yourscreensav
erorpowermanagementmightbe
enabled.Dooneofthefollowingtoexitfromthe
screensaverortoresumefromsleepmode:
‐ Touchthetouchpad.
‐ Pres
sanykeyonthekeyboard.
‐ Pres
sthepowerbutton.
‐ Pres
sF9( )toconfirmwhetherthebacklightfor
theLCDscreenhasbeenturnedoff.
‐ Iftheprob
lempersists,fo llowthesolutioninthenext
problem“Thescreenisunreadableordistorted.”
The screen is unreadable or
distorted.
• Makesurethat:
‐ Thedi
splaydevicedriverisinstalledcorrectly.
‐ Thesc
reenresolutionandcolorqualityareset
correctly.
‐ Themo
nitortypeiscorrect.
Incorrect characters appear
on the screen.
•Aretheoperatingsystemorprogramsinstalled
correctly?Iftheyareinstalledandconfigured
correctly,havethecomputerserviced.