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Could be a hardware issue, If the screen has a power light, does it change coulor (often green to orange) when the problem happens. If so its the screen inst getting any signal. It could be a connector or cable.
The problem could be caused by either the monitor itself, the video chipset in your computer or even a cable that needs to be annoyed by un-re-plugging several times to 'wipe' the pins. Try that latter one first.
Then try this:
- Disconnect the video cable from your computer and see if the monitor will give you an on-screen warning about having no input.
If it does, then it should also do this if the video is not coming in from the computer.
This means the computer video chipset or card is trying to fail, possibly from heat; check for airflow at the rear of your system box to make sure the power supply fan is running.
If it doesn't give you some kind of display when the video cable is disconnected, reconnect it and set a portable fan aimed at the rear slits of the monitor housing.
If this prevents the dropout of the monitor, then a component (probably in the monitor's power supply) is failing.
Well If the monitor is brand new and you just purchased I would take it back and get another one as it appears to be defective. Most stores will allow you to exchange a defective item without a problem as long as you have the receipt. Any attemot to make repairs yourself could void the warranty. If it is used it may still be under warranty...I would get the model/serial number and contact Asus to have repairs made. Most monitors have at least a one year warranty.
I think there is a problem in Monitor's Power Supply unit which integrated in the base board of Monitor. If u expertise with the service then carry on. else Pl contact a Local Service professional to solve the problem
Hi, There could be a problem with your display card settings or the display card itself. If you are using Windows operating system, make sure that you have the monitor driver installed for that specific monitor. This is to ensure that Windows only allows settings for which your particular monitor was designed. Let me know if I can assist you any further regarding this. Best wishes, Graemevm
If you're working on the computer when that happens, it's not probably a power setting. Try to update your BIOS to the most current version at the toshiba support website (support.toshiba.com) & see what happens. Fixes the issue most of the time