In response to the "Guest" post on 12/21/07, first, thanks for your reply. Yes, I agree that it's potentially a thermal issue, given that the longer it's on, the more often it happens. However, I have never gotten temperature warning lights to come on in relation to this issue. (Maybe the temperature sensor is broken.) I have a new bulb coming tomorrow, so I can see if that fixes things. If not, the next thing will be for me to pull off the back panel and vaccuum everything out to see if the heat sinks have gotten dirty (and therefore, less effective).
HP said they would allow me to return the bulb within 21 days, so it doesn't cost me anything to try the new bulb.
Stating the obvious, I suppose, but it may be possible that the TV is simply overheating. These giant TVs create a LOT of heat. Perhaps removing it from your current TV cabinet and setting it on a stand outside will help. You may even want to try a small fan to blow air to the back of the machine to see if this fixes the issue.
If so, and it's under warranty, I'd have a tech look at it. May be replacement parts that won't run as hot.
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When you shut down Windows, if you have any programs running you'll get a message box warning you that a program is still running. You then have to close the program and tell XP again to shut down. It's a fairly pointless warning—better yet would be if XP automatically killed the programs without issuing the warning. That way, you wouldn't get error messages and wouldn't have to close each individual application before shutting down your computer. To have XP automatically close programs at shutdown, run the Registry Editor and go to HKEY_CURRENT_USER\Control Panel\Desktop. Edit the AutoEndTasks key so that is has a value of 1. If the key doesn't exist, create it as a DWORD value and give it the value of 1. To disable it, either delete the key, or set the value to 0.
radadtoo, My wd 62525 was acting the same way. Then after a couple days, started flickering and scrambling the picture. I found neals solution # 2 at this link and replaced a few capacitors and 4 hours later, its all fixed!
Here is the link, scroll down to solution # 2 to get an idea of what the caps and boards look like.
using the button to shut it down is not recomended, but if you do not have programs running that is loading/saving data, it should be ok, in some cases it could damage the computer, you should see if it is under worrenty and get it looked at or call tech support and see if they can help
Just a quick couple of notes about your projector. It is a DLP projector (not LCD) and as such the machine as no air filters to clean. It does have air intake and air exhaust grilles, but no air filters to clean. This next part comes directly from the owner' manual for your projector:
When the lamp operation time exceeds 2000 hours*1 *2, the projector automatically shuts off and can’t be used until the lamp is replaced and the lamp operation time is reset.
Your machine is designed to give visual warning messages at 1500 hours used, and 1900 hours used. Did you see any visual warning about lamp life over the past few months?
If you were experiencing an overheating problem, a "TEMPERATURE!!" message would flash up on the screen just before the unit shuts down. If there is no warning, you don't have a heat problem.
If you have a replacement lamp available, install it and reset the lmap hours according to your user manual. If you don't have the manual, google it on the web (it available).
The lamp may be starting to go, the symptoms you describe are classic warning signs. You could unplug tv let it cool down and check lamp most likely the glass will not look clear maybe a little milky or smoky in areas..dead give away.
Sounds like you have a bad green picture tube that has failed. To check this out; remove front speaker grill, remove small panel, you will see three CRT's (pictue tubes) sticking down, remove the little board on the middle tube then restore power. If TV stays on more then likely the CRT is bad but not always the driver on board could also be bad, check voltages.