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**Dzomlija** · 12-03-2007

Quote: Originally Posted by Nancy

Hi,

I have a monitor that keeps flickering in the past few weeks. Is there any
driver that would cause this? How can I tell if it's the monitor itself or
if it's some software or hardware or driver causing it? I did install a new
HP Officejet J5780 All-in-One. I can't recall if the flickering started at
that exact time or not. Could this be the case?

Thanks in advance,
Nancy

There are a number of factors that can cause "flickering", some of which you can do something about with little or no cost, while other involve spending money.

I doubt that the installtion of a new printer driver would cause the flickering on the monitor, but perhaps the printer itself? Working on the assumption that all your devices (Computer, Monitor and Printer) are plugged into the same mains outlet, it's possible that you where borderline on power draw to begin with, and the addition of the printer has resulted in not enough power being provided to the monitor.
There may be some form of electrical interference that is being picked up by the monitor. I've seen this sometimes when a mains power line is crossing the signal cable of the monitor. Re-positioning the running of the cables may help. Are there any appliances such as refridgerators or air conditioners nearby?
Flickering can also be caused when you are using 2 monitors connected to the same mains outlet, but you didn't mention whether you have a dual monitor setup or not, so this may not be the cause.
You display driver may be using a low refresh rate. Right-click an empty area of your desktop, selct "Personalize". Click on "Display Settings". Click "Advanced Settings". Click the "Monitor" tab. Make sure that the "Hide modes that this monitor cannot display" is checked, and then under "Screen refresh rate", selct the next highest value available, if any. CAUTION: Improperly setting the refresh rate can damage you monitor. Consult with your monitor documentation for the range of safe supported refresh rates.
The monitor itself may be failing. The quickest and easiest method of checking this is to plug it into another computer and see if the problem persists. If the flickering goes away, then any of the above could be causing the flicker. If it remains, then it's possible that the monitor may be failing and will need to be replaced.

Please respond back with details on whether any of this has worked for you.

12-03-2007	#2 (permalink)
Dzomlija Windows Vista x64 Ultimate 2,217 posts	Re: flickering monitor Quote: Originally Posted by Nancy Hi, I have a monitor that keeps flickering in the past few weeks. Is there any driver that would cause this? How can I tell if it's the monitor itself or if it's some software or hardware or driver causing it? I did install a new HP Officejet J5780 All-in-One. I can't recall if the flickering started at that exact time or not. Could this be the case? Thanks in advance, Nancy There are a number of factors that can cause "flickering", some of which you can do something about with little or no cost, while other involve spending money. I doubt that the installtion of a new printer driver would cause the flickering on the monitor, but perhaps the printer itself? Working on the assumption that all your devices (Computer, Monitor and Printer) are plugged into the same mains outlet, it's possible that you where borderline on power draw to begin with, and the addition of the printer has resulted in not enough power being provided to the monitor. There may be some form of electrical interference that is being picked up by the monitor. I've seen this sometimes when a mains power line is crossing the signal cable of the monitor. Re-positioning the running of the cables may help. Are there any appliances such as refridgerators or air conditioners nearby? Flickering can also be caused when you are using 2 monitors connected to the same mains outlet, but you didn't mention whether you have a dual monitor setup or not, so this may not be the cause. You display driver may be using a low refresh rate. Right-click an empty area of your desktop, selct "Personalize". Click on "Display Settings". Click "Advanced Settings". Click the "Monitor" tab. Make sure that the "Hide modes that this monitor cannot display" is checked, and then under "Screen refresh rate", selct the next highest value available, if any. CAUTION: Improperly setting the refresh rate can damage you monitor. Consult with your monitor documentation for the range of safe supported refresh rates. The monitor itself may be failing. The quickest and easiest method of checking this is to plug it into another computer and see if the problem persists. If the flickering goes away, then any of the above could be causing the flicker. If it remains, then it's possible that the monitor may be failing and will need to be replaced. Please respond back with details on whether any of this has worked for you.
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