20 Most Recent ViewSonic VA721 17" LCD Monitor - Page 4 Questions & Answers

Actually the button for setting the contrast is a bit loose thats why whenever their is a **** os little movement in the moniter opf ur PC then the contrast button get pressed automatically and the pop up comes up

are you asking a question?

I'm assuming you already tried the brightness adjustment.

From your description, the LCD screen itself seems to be intact. The problem seems to be backlighting which could very well have been damaged by a perimeter impact.

If it's still under warranty, contact the manufacturer. Tell them it just stopped working. Don't elaborate on the details.

If not, find an accredited computer repair shop. It's not a big deal to fix as long as the fix is performed by a trained professional.

Sorry, I wish there was a magic button to push.

Best regards,
Mike

it may be due to stuck setting button on lcd monitor or due to faulty circuit ... try to see if buttons are stuck ..nudge them a little to see if that makes a difference otherwise call the company technician.

sometimes, but usually not. Most power cords are universal


Don't forget to rate the advice!

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check your sound cables speaker power button and speaker icon on computer is it enabled some dell pc have sound option in biose which needs to be enabled

Chances are it's not the actual CFL back-light bulbs themselves, but the back-light inverter board. If it was the bulbs you would have not had the "warm up and it get bright" issue. The board IS replaceable, (as well as the bulbs) ViewSonic charges about $36.00 USD for the board when they have them in stock. (out of stock as of yesterday 11/14/2006) It should be covered under warranty if you got longer than one year. (I know the warranty was only one year on MY VA800 but I have seen longer offered since i got mine) Good Luck I hope this helps! El Duderino

replace the button swicth or tack swicth

go into control panel and set your screen resoloution to the correct amount. you will know when it's correct because it will look perfect.

Sounds like its going to sllep too soon make sure you do not have it set in your video card settings. also try it on a diffrent computer. if that does not shore it up replace the acpi board Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620

YOUR MONITOR IS FINE, YOU WILL NEED TO INSTALL THE DRIVERS THAT GOES TO YOUR AUDIO CARD, OR THE PC GUY REMOVE YOUR AUDIO CARD... GO THE THE MANUFACTURER'S WEBSITE OF YOUR PC AND DOWNLOAD THE DRIVER

Check the cable who comes from the CPU maybe are damaged

sounds like the operating mode is at a frequency or refresh rate that is outside the viewsonic operating specifications when in normal mode. possible solution: in safe mode access control panel, system, devices (hardware) and look for display. do a right click and uninstall. repeat right click and "scan for hardware changes". That might reset the monitor operating modes but it also gives you a chance to reinstall drivers. If this does not work, try other monitor crt/lcd to see what happens.

I'm assuming turns black and blue then turns off? First make sure your connectors to your monitor and back of pc are secure. But it sounds like your video card needs to be reseated.

Good morning! what is the part description / number / specifications? Or you can try to look for www.ebay.com for possible supplier/s of the part you need. best regards

It sounds like the computer is trying to use a resolution that the monitor cannot handle. Boot into safe mode by pressing the f8 key during boot up and select safe mode. Once booted, right click on the desktop and select properties. In settings lower the resolution by moving the bar to the left and reboot.

I would move it all the way down, you can then move it up a step at a time once you are in normal mode again.

Hope this helps

this is only an educated guess based on my years of computer and electrinics experiance. I believe the problem is the AC inverter that supplies current to the monitors back light,it powers up and fails. the monitor is working but without the back light you get a blank screen.The problem is fixable, but the delema is that for a technician to troubleshoot and repair the problem may cost as much as replacing the monitor since the prices have dropped so much in the last few years.

Check for board and other parts on eBay.