eMachines H3120 Mouse, Networks

CHAPTER 14: Troubleshooting www.emachines.com
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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 page98.
■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 kno w is work ing to m ake sure that the mouse p ort wor ks.
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 page49.
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.