My monitor turns itself on and off with no prompting
I have an IBM P96 model monitor. Every few minutes, it will rapidly turn itself on and off. i have tried resetting the refresh rate to different levels, but it still does the same thing. It seems to be happening when I leave my mouse idle for around 15 to 20 seconds. This is highly irritating and I really don't want to have to buy a new monitor. Any ideas as to what this is?
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Re: my monitor turns itself on and off with no prompting
Go into the control panel and check the system settings. You might have it set to turn the monitor off after a low number of seconds of use. If you have it set for 30 seconds, if you don't use the keyboard or mouse for 30 seconds, the monitor will shut off. When you start to use it again, it will come back on.
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If you have a menu button, press it, then find controls and press exit. If this does not work, unplug and let sit for a few minutes. If it returns when you turn the monitor on, there is a problem with the monitor software inside the unit.
The same thing happened to me today. I was just sitting in my room then i hear a click and the cpu is on it stays on for a while then cuts off. It then cuts on and off with few seconds in between. It then stays in that way cutting and off for about a minite or two and then cuts off completely. A few minutes later it starts again. Also in the time it its off it will not turn on by pressing the power button. Sometimes it completly boots up by itself and then shuts itself down. If I shut it down manually while its on it'll turn itself on immeditaly after. What's going on! Will the warranty cover it? Do I need a new computer?
The backlight is the light bult that illuminates the screen. Before it finally goes out completely it will turn your screen a pink color on startup (and then usually become brighter and the pink fades). It is also possible that the backlight, also called a Cold Cathode Flourescent Light, CCFL, died an immediate death. But usually they take a while and signal with the "PINKNESS" first. If you found that your computer is working just fine connected to an external monitor (and you moved the base of your laptop around while connected to the monitor to be sure and left the computer on for a long time) then you have verified that the screen is the problem. It is usually two things: (1) the inverter, a circuit board that increases the voltage to supply the LCD which eats around 700 volts (yeah baby); or (2) the backlight itself. The first problem is a relatively easy and inexpensive fix. You can find how to replace an inverter by downloading the Hardware Maintenance Manual for the T40, T41, etc., from IBM/Lenovo's site. Replacing the backlight itself, a bulb that is like a strand of speghetti and even more delicate, is a tougher job. I would suggest purchasing a replacement screen in that event rather than replacing the backlight yourself. (The HMM probably does not show you how to replace the backlight/CCFL as it is a potentially dangerous job.) That suggestion assumes you can find a cost-effective replacement screen and do not mind opening the TP and putting the new screen in. At least look at the HMM to see what is involved. Good luck.
did the monitor turn off when it is in idle mode? it might be the monitor power options (it might have been set that when it is idle for an X minutes it will turn off). check the monitor power settings.
Even my monitor HPM704 does the same thing from 12Mar08. I bought this monitor an year before. It looks like this batch of monitors have issues from factory itself. Plan to get support from customer care.