CHAPTER 14: Troubleshooting
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The text on the display is dim or difficult to read
■
Adjust the brightness and contrast controls.
■
Use the monitor degauss feature (see your monitor documentation) or
turn off your computer and monitor, leave them off for at least a half hour,
then restart your computer.
■
Change the display settings.
Tips & Tricks
For more information, see
“Adjusting the screen and
desktop settings” on page 98
.
■
Move the monitor away from sources of electrical interference, such as
televisions, unshielded speakers, microwaves, fluorescent lights, and
metal beams or shelves.
For more information about display types, see your monitor and video card
documentation.
Mouse
The mouse does not work
■
Make sure that the mouse cable is plugged in correctly.
■
Shut down and restart your computer.
■
Remove all extension cables and switch boxes.
■
Try a mouse you know is working to make sure that the mouse port works.
The mouse works erratically
If the mouse pointer begins moving erratically across the computer display or
becomes difficult to control precisely, cleaning the mouse will likely improve its
accuracy.
Clean the mouse by wiping the bottom with a clean, damp cloth. Make sure that
the optical sensor is clean and free of debris.
Networks
You cannot connect to your company network
Every network is unique. Contact your company computer department or
network administrator for help. For more information about setting up a
network in your home, see
“Networking Your Computer” on page 49
.
You cannot see the other computers on your network
Help and Support
For more information about
troubleshooting, click
Start
, then click
Help and Support
. Type the keyword
network troubleshooting
in the Search
box, then click the arrow.
■
Make sure that your Ethernet cable is plugged into the Ethernet jack on
your computer. Make sure that the other end is plugged into a router.
■
Make sure that all computers are plugged into a powered electrical outlet
and turned on.
■
Make sure that the router is plugged into a powered electrical outlet and
turned on. Most routers have lights that indicate they are working. For
more information, see
the documentation that came with your router.
■
Make sure that all computers on your network have the same workgroup
name.
Summary of Contents for H3120
Page 21: ...CHAPTER 2 Getting to Know Your Computer www emachines com 14 ...
Page 31: ...CHAPTER 3 Using Your Computer www emachines com 24 ...
Page 47: ...CHAPTER 4 Using Windows XP www emachines com 40 ...
Page 55: ...CHAPTER 5 Using the Internet www emachines com 48 ...
Page 116: ...CHAPTER 10 Protecting Your Computer Hardware security Data security Security updates ...
Page 149: ...CHAPTER 12 Maintaining Your Computer www emachines com 142 ...
Page 172: ...CHAPTER 14 Troubleshooting Safety guidelines First steps Troubleshooting Telephone support ...
Page 203: ...Index www emachines com 196 ...
Page 223: ...CHAPITRE 2 Faites connaissance avec votre ordinateur www emachines com 14 ...
Page 233: ...CHAPITRE 3 Utilisation de votre ordinateur www emachines com 24 ...
Page 257: ...CHAPITRE 5 Utilisation d Internet www emachines com 48 ...
Page 374: ...CHAPITRE 14 Dépannage Directives de sécurité Premières étapes Dépannage Support par téléphone ...
Page 405: ...Index www emachines com 196 ...
Page 406: ...8511128 MAN EM HW REF GDE FRCA R0 ...