HP Cp-Aw250n Users Manual

							101
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continue\
d)
PhenomenonCases not involving a machine defectReference 
page
Sound does not  come out. The signal cables are not correctly connected.
Correctly connect the audio cables.
9 ~ 13
The MUTE function is working.
Restore the sound pressing  MUTE or VOLUME +/- button 
on the remote control. 20
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function 
or the remote control. 20, 45, 
46
The AUDIO SOURCE/SPEAKER setting is not correct.
Correctly set the AUDIO SOURCE/SPEAKER in AUDIO menu.45
The mode selected for HDMI AUDIO is not suitable.  
Check each of the two modes provided and select the suit-
able one for your HDMI audio device. 46
No pictures are displayed. The signal cables are not correctly connected.
Correctly connect the connection cables.
9 ~ 13
The brightness is adjusted to an extremely low level.
Adjust BRIGHTNESS to a higher level using the menu function.32
The computer cannot detect the projector as a plug and play monitor.
Make sure that the computer can detect a plug and play 
monitor using another plug and play monitor. 10
The BLANK screen is displayed.
Press BLANK button on the remote control. 27
The USB TYPE B port is selected as the picture input 
source even if MOUSE is selected for USB TYPE B.  
Select USB DISPLAY for USB TYPE B in OPTION menu to 
project the picture input to the port. Otherwise select other 
port for picture input. 54
The projector does not recognize the USB storage 
device inserted into USB TYPE A port. 
Use the REMOVE USB function first, remove the USB 
storage device, and then insert it into the port again. 
Before removing the USB storage device, be sure to use 
the REMOVE USB function on the thumbnail screen, which 
appears when the USB TYPE A port is selected as the input 
source. 12
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							102
PhenomenonCases not involving a machine defectReference 
page
Video screen
display freezes. The FREEZE function is working.
Press FREEZE button to restore the screen to normal.
27
Colors have a faded- out
appearance, or Color tone is  poor. Color settings are not correctly adjusted.
Perform picture adjustments by changing the COLOR TEMP, COLOR, 
TINT and/or COLOR SPACE settings, using the menu functions.33, 38
COLOR SPACE setting is not suitable.
Change the COLOR SPACE setting to AUTO, RGB, 
SMPTE240, REC709 or REC601.  38
Pictures appear  dark. The brightness and/or contrast are adjusted to an 
extremely low level.
Adjust BRIGHTNESS and/or CONTRAST settings to a 
higher level using the menu function.
32
The projector is operating in Eco mode.
Set ECO MODE to NORMAL, and set AUTO ECO MODE to 
OFF, in the SETUP menu. 43, 44
The lamp is approaching the end of its product lifetime.
Replace the lamp. 89, 90
Pictures appear  blurry. Either the focus and/or horizontal phase settings are 
not properly adjusted.
Adjust the focus using the focus ring, and/or H PHASE 
using the menu function.
24, 37
The lens is dirty or misty.
Clean the lens referring to the section “Caring for the lens”. 94
Some kind  of image 
degradation  such as 
flickering or 
stripes appear  on screen.  When the projector is operating in Eco mode, flickering 
may appear on screen.
Set ECO MODE to NORMAL, and set AUTO ECO MODE to 
OFF, in the SETUP menu.
43, 44
The OVER SCAN ratio is too big.
Adjust OVER SCAN in the IMAGE menu smaller. 35
Excessive VIDEO NR.
Change the setting of VIDEO NR in the INPUT menu. 38
The FRAME LOCK function cannot work on the current 
input signal.
Set FRAME LOCK in the INPUT menu to OFF. 40
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continue\
d)
(continued on next page) 
						

							103
PhenomenonCases not involving a machine defectReference 
page
The computer 
connected to the 
USB TYPE B port  of the projector 
does not start up.The computer cannot start up in the current hardware 
configuration.
Disconnect the USB cable from the computer, then 
reconnect it after starting up the computer. 10
RS-232C does  not work. The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP menu.44
The COMMUNICATION TYPE for the CONTROL port is 
set to NETWORK BRIDGE.
Select OFF for COMMUNICATION TYPE item in the 
OPTION - SERVICE - COMMUNICATION menu. 61
Network does  not work
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP menu.44
NETWORK  BRIDGE 
function does  not work
The NETWORK BRIDGE function is turned off.
Select NETWORK BRIDGE for COMMUNICATION TYPE 
item in the OPTION - SERVICE - COMMUNICATION menu.61
Schedule function  
does not workThe SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP menu.44
When the 
projector is 
connected to the 
network, it powers  off and on as 
described below.
Powers off
POWER indicator  blinks in orange a  few times
Goes into  
standby mode
Disconnect the LAN cable and check that the projector 
is working properly.
If this phenomenon occurs after connecting to the network, 
there may be a loop between two Ethernet switching hubs 
within the network, as explained below.
- There are two or more Ethernet switching hubs in a network.
- Two of the hubs are doubly connected by LAN cables.
-  
This double connection forms a loop between the two hubs.
Such a loop may have an adverse effect on the projector 
as well as the other network devices.
Check the network connection and remove the loop by 
disconnecting the LAN cables such that there is only one 
connecting cable between two hubs.
–
Video files cannot 
be played properly  on a computer on which the 
"LiveViewer" was  run.The "LiveViewer" has been intentionally or accidentally 
forced to shut down.
DirectDraw® or Direct3D® has been disabled on your Windows®. 
Please refer to the Microsoft® Help and Support home 
page on how to enable DirectDraw® or Direct3D®.
–
Troubleshooting
• Although bright spots or dark spots may appear on the screen, this 
is a unique characteristic of liquid crystal displays, and it does not constitute or 
imply a machine defect. NOTE
Phenomena that may be easy to be mistaken for machine defects (continue\
d) 
						

							104
Specifications
Specifications
End User License Agreement for the Projector Software
• Software in the projector consists of the plural number of independent software 
modules and there exist our copyright or/and third party copyrights for each of 
such software modules.
• Be sure to read “End User License Agreement for the Projector Software” which 
is separated document. (in the CD)
Please see the Specifications in the User’s Manual (concise) which is a book.