137Before placing an repair orderPlease make sure of the following:Symptom Please check:The computer doesnot recognize the SDcard.Writing cannot beperformed.The image from thePC is not displayed.The PC does notrecognize thewireless card.Transfer rate hasbecome lower."Projector search" ofthe Wireless Manager2.0 does not detectthe projector.• Is the PC card adapter inserted into the PC card slot of the PC until itreaches the end?• Is the SD card inserted into the SD card slot of the PC card adapteruntil it reaches the end?• Is the driver installed?• Are there sufficient IRQ (interrupting signal) numbers? (Refer to theonline help of Windows.)• Is the write-protect switch of the SD card set to "LOCK"?• Is the external video output of the notebook computer properlyselected? (In some cases, the setting of the output is changed if Fnand F3 buttons are pressed simultaneously. Since this depends onthe model, refer to the instruction manual supplied with your PC.)• Is the wireless card inserted into the PC card slot of the PC until itreaches the end?• Is the driver installed?• Are there sufficient IRQ (interrupting signal) numbers? (Refer to theonline help of Windows.)• If WEP is enabled, transfer operation takes a longer time becausethe image data needs to be converted.• If another wireless device uses the same channel, the transfer ratemay become lower. Select other channel for setting.• Immediately after the projector is turned on, it is on the way to establishthe network communication. Perform the search again after a while.• Check whether the distance is too far between the PC and the projector,or if any obstacle between is making the radio waves unstable.• Make sure that the IP address and the subnet mask are correctlyassigned.• Is TCP/IP installed in your personal computer?• Does the WEP setting correspond with that of the projector?Communication with the projector cannot be established if the WEPfunction was enabled when a third-party wireless card was used orthe access point was used. Disable the WEP function.• In the Ad Hoc mode, use the same channel setting for the projectorand the PC.• In the Infrastructure mode, use the same setting for the projector andthe PC as the access point "SSID". Alphanumeric characters (casesensitive) can be used for an SSID. Make sure that the user is notusing the function for controlling PCs that can communicate with theaccess point.• In the PEER-TO-PEER mode, use the same setting for channel andSSID of the projector and the PC.• Is any network device other than the wireless card enabled? Checkwith the device manager of Windows.• Is any proxy-client software operating? Disable it whencommunicating with the projector.• When a projector LAN card is used, ensure that the projector and thePC are directly connected with a cross cable.If connection is made between the projector and the PC through ahub or other relaying device, follow the connection method of theprojector.