HP mp3222 HP mp3220 series digital projector - User's Guide - Page 62
Remote control problems, If the lamp shuts off during a presentation
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Fixing Problems If the lamp shuts off during a presentation: ❏ A minor power surge might cause the lamp to shut off. Wait a few minutes, then power on the projector. ❏ If the lamp indicator is on or blinking, unplug the projector after it cools down. Remove and reinstall the lamp module. If this does not fix the problem, install a new lamp. If the lamp burns out or makes a popping sound: ❏ If the lamp burns out and makes a popping sound, the projector will not turn back on until the lamp module has been replaced. ❏ If the lamp breaks, contact HP about repairs that might be required. Remote control problems If the remote control does not operate: ❏ Be sure nothing is blocking the remote control receiver on the front or back of the projector. Move to within 9 m (30 ft) of the projector. ❏ Open the on-screen menu and select Help > Diagnostics. Run remote control test. ❏ Replace the battery in the remote control. If only the mouse and page-up and page-down buttons do not work: ❏ Be sure you have a USB connection between the projector and the computer. ❏ Open the on-screen menu and select Help > Diagnostics. Run remote control test and USB test. 62 User's Guide