Epson Projector Powerlite 4100 User Manual

Solving Problems91
If you’re using a PC notebook: 
■Press the function key on your keyboard that lets you display on 
an external monitor. It may be labeled 
CRT/LCD or have an icon 
such as  . You may have to hold down the 
Fn key while 
pressing it. Allow a few seconds for the projector to sync up after 
changing the setting. Check your notebook’s manual or online 
help for details. 
On most systems, the   key lets you toggle between the LCD 
screen and the projector, or display on both at the same...

92Solving Problems
The projector and notebook don’t display the same image
If you’re using a PC notebook:
■On most systems, there’s a function key that lets you toggle 
between the LCD screen and the projector, or display on both at 
the same time. It may be labeled 
CRT/LCD or have an icon such as 
. You may have to hold down the 
Fn key while pressing it. 
Allow a few seconds for the projector to sync up after changing 
the setting.
■If the function key doesn’t permit you to display simultaneously 
on...

Solving Problems93
Only part of the computer image is displayed.
■Press the Auto button on the remote control or the Enter button 
on the projector.
■Make sure the image Position setting is correct in the Signal 
menu. See page 59 for more information.
■Press the Aspect button on the remote control.
■Press the Esc button on the remote control to cancel the E-Zoom 
function.
■Make sure your computer’s resolution setting is correct. See the 
compatible video formats listed on page 109.
■You also may need...

94Solving Problems
■Make sure the correct input signal is selected in the Signal menu 
(see page 59).
■If you’ve used the Quick Corner or Keystone adjustment, you 
may need to decrease the 
Sharpness setting in the Image menu 
(see page 57).
■If you’re projecting from a computer, make sure its signal is 
compatible with the projector. See page 109.
■Press the Auto button on the remote control or the Enter button 
on the projector to reset the projector’s Tracking, Sync, and 
Position settings. If further...

Solving Problems95
You see vertical bands or the image still looks blurry after 
trying the solutions in the previous section.
■If you’re projecting from a computer and displaying an image that 
contains a lot of fine detail, you may notice vertical bands or some 
of the characters may look heavy or blurred. Press the 
Auto 
button on the remote control or the 
Enter button on the 
projector to reset the projector’s Tracking, Sync, and Position 
settings.
■If further adjustment is needed, you can...

96Solving Problems
■Try adjusting the Brightness and Contrast settings on the Image 
menu.
■Try adjusting the Power Consumption setting (see page 60).
■Check your computer display settings to correct the color balance.
■The projector’s lamp may need to be replaced. See page 78 for 
instructions.
■Make sure the correct input signal is selected in the Signal menu 
(see page 59).
■Make sure that all cables are connected to the proper ports and 
connected securely.
Solving Network Problems
The projector does...

Solving Problems97
Solving Problems With the Remote 
Control
The projector doesn’t respond to remote control commands.
■Point the remote control towards the receiver.
■Make sure the projector and remote control IDs match. To 
operate all projectors by remote control regardless of ID settings, 
set the ID switch on the side of the remote control to 
Off.
■The remote control’s batteries may not be installed correctly or 
may be low on power. To change the batteries, see page 82. 
■Make sure you are within...

98Solving Problems
Internet Support
Visit Epson’s support website at www.epson.com/support for 
solutions to common problems. You can download utilities and 
documentation, get FAQs and troubleshooting advice, or e-mail 
Epson with your questions.
Speak to a Support Representative
To use the Epson PrivateLine Support service, call (800) 637-7661 
and enter the PIN on the included Epson PrivateLine Support card. 
This is the fastest way of speaking to a live representative, and it’s free. 
This service is...

Solving Problems99
Purchase Supplies and Accessories
You can purchase screens and other accessories from an Epson 
authorized reseller. To find the nearest reseller, call 800-GO-EPSON 
(800-463-7766). Or you can purchase online at www.epsonstore.com
 
(U.S. sales) or www.epson.ca
 (Canadian sales). 

100Solving Problems