Epson Powerlite 821p Multimedia Projector Users Guide

Solving Problems81
Solving Problems with the Image or 
Sound
Power does not turn on.
■Make sure the power cable is connected. Also, connect a lamp to 
your power outlet to make sure it’s working.
■If the projector lights turn off and on when you touch the power 
cable, the cable may be defective. Contact Epson as described on 
page 91.
No image appears on the screen.
■Check that the Power light is green, not flashing, and the lens 
cap is off. 
■Make sure that the projector is securely connected to your...

82Solving Problems
■The attached computer may be in sleep mode or displaying a 
black screen saver. Try pressing a key on the computer.
■If you’re projecting from a video source, press the Play button on 
your video equipment.
Nothing appears on the external monitor.
■Make sure the VGA computer cable is connected to your 
computer’s video port and the projector’s 
Computer1/Component Video1 port. It will not work if you 
connected the computer cable to the projector’s 
Computer2/Component Video2 port....

Solving Problems83
If you’re using a PC notebook:
■Hold down the Fn key and press the function key that lets you 
display on an external monitor. It may have an icon such as 
, or it may be labelled 
CRT/LCD. Allow a few seconds for 
the projector to sync up after pressing it. Check your notebook’s 
manual or online help for details. 
On most systems, the   or 
CRT/LCD key lets you toggle 
between the LCD screen and the projector, or display on both at 
the same time. 
■Depending on your computer’s video...

84Solving Problems
The message Not Supported is displayed.
■Make sure your computer’s resolution and frequency are 
supported by the projector. See page 97. If necessary, change 
your computer’s resolution setting as described below. 
■If you’re projecting from a composite or S-video source, make 
sure the correct 
Video Signal is selected in the Signal menu. See 
page 57. It should be set to 
Auto unless you are projecting from a 
60 Hz PAL video source, in which case it should be set to 
PAL60.
Only...

Solving Problems85
■Macintosh OS 9.x:
On the Apple menu, choose 
Control Panels, then click 
Monitors or Monitors and Sound. Select a different 
resolution. 
If this option isn’t available, select one of the other compatible 
video formats listed on page 96.
■You may also need to modify existing presentation files if you 
created them for a different resolution. See your software 
documentation for specific information.
■If you’ve set up your projector and computer to display the same 
image...

86Solving Problems
■If you’re projecting from a composite or S-video source, check the 
Video Signal setting in the Signal menu. In most cases, leave it 
set at 
Auto. If you’re using a 60-Hz PAL video source, change this 
setting to 
PAL60. See page 57 for details.
■Make sure the cables are securely connected at both ends.
■If you’re projecting from a computer, select the correct resolution; 
see “Compatible Computer Display Formats” on page 97.
■If you’re projecting from a computer, press the Auto...

Solving Problems87
You see vertical stripes, flickering, 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 one or more vertical 
stripes or bands, or some of the characters may look heavy or 
blurred. Press the 
Auto button on the remote control. This resets 
the projector’s tracking and sync settings.
■If further adjustment is needed, you can fine-tune the...

88Solving Problems
■Try adjusting the Color Adjustment setting on the Image menu. 
See page 54.
■Check your computer display settings to correct the color balance.
■If the image seems dark, the lamp may be nearing time for 
replacement. Check the lamp hours as described on page 61 and 
replace it, if necessary, as described on page 72.
There is no sound.
■Press the   button on the remote control or projector to turn up 
the volume.
■If you’ve turned off the picture and sound, press the A/V Mute 
button...

Solving Problems89
Solving Password Problems 
You have forgotten the password.
■Write down the request code that appears in the Password Protect 
Release screen and contact Epson. See “Where To Get Help” on 
page 91.
■If you turned on the password protect feature before setting the 
password and no password was set before, try using the default 
password: 
0000.
The remote control is not available.
You must have the remote control to enter the password. If necessary, 
you can purchase a replacement...

90Solving Problems
You have lost the remote control.
You need the remote control to access many projector features. If you 
have lost it, you can order another from Epson. See page 91 for details 
about ordering.
You can’t control the mouse pointer with the remote 
control.
■Make sure the USB mouse cable is securely connected to both 
your computer’s USB port and the projector’s USB port. For 
details, see page 19.
■To use the USB mouse connection on a PC, your system must 
have a “clean” installation of...