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Re: white screen on veiwsonic vg700b
Usually a completely white screen is an indication that there is no video signal being fed to the panel from the controller. For instance, if you take a working LCD monitor and just disconnect the video cable that goes to the LCD panel from the mainboard, it will turn on and off just fine, but it will light up bright white.
So, there seems to be an issue getting the video signal from your logic board to the panel. This can be caused by a bad cable, a loose connection, a bent and/or shorted pin (from plugging it in wrong), a bad logic controller chip, or a blown fuse/component on the LCD's circuit panel (PCB that runs across the top of the back of the LCD panel.)
Hope this help!
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its possibly a software issue, babe theres some corrupt data with the os, if it still has a warranty i would recommend sending it in for repair. im pretty sure they only charge 40-50usd for repair otherwise and it would give you a chance to purchase/renew your warranty through them
First make sure that you are using the mini stereo male phome jacks on both ends, one end is connected to the Green audio line in of the monitor, the other end should be connected to the Green audio line out of the PC, also need to set the volume controls at the PC and the monitor, starting at 1/2 level. You can also verify that the monitor amplifier is wprking or not by feeding it with an MP3 player or some kind of audio source to see if you do get the sound OK.
There is a defect in the video output circuit which feeds the signals to the picture tube. Unless you are technically inclined and adept at desoldering and part replacement this is a job for a technician. Often the video output i.c. fails and on some brands a resistor can open and cause this symptom also. One other possibility, with some TVs however, is that someone turned up the screen control. This control is accessible on some units through the back cover and is a service adjustment. Some units even had the control shaft projecting through the cover. If the screen control is there it usually is labeled along with the focus control. Adjust it until you get normal brightness. If this is not an option or it does not help you will need that technician.
The Viewsonic VX2235WM has a known issue with the power supply going
out. The flashing power light or not turning on is the classic symptoms
of this issue. Check out our web site at: www.ccl-la.com. We have a
step by step repair guide posted that will guide to doing the repair
yourself. It involves changing a few capacitors on the power supply. If
you can solder then you should be able to do the repair yourself. If
you don't want to do the repair we do offer a repair service for $35
plus return shipping. If you have any additional questions just let us
know at: email@example.com
I hope this helps, if so please rate our solution.
If they are still sticking after blowing the keyboard out you may have spill some form of liquid on it that is causing your problems.
If you are pretty adept you could carefully remove all the key caps and clean it out a little better.
If not you may want to consider taking it to a local repair shop.
Again if you are confident enough then laptop keyboards are not that expensive to replace (probably cheaper than a repair) It is usually a pretty simple task that would take anyone with some common sense about 15 -30 minutes to do.
In the mean time you could always buy a cheap USB or PS2 keyboard and use that (check which type you need)
Most likely your screen has either received water/moisture damage, or the screen got bumped pretty hard on something. The LCD is pretty much dead, and can possibly be repaired by your provider. But I would reccomend getting a new phone if possible either via upgrade or purchasing a used one on ebay.
there's an internal hardware problem in your lcd monitor - cold soldered / defective electronic part/s. I suggest to bring the unit to an authorized service center for proper diagnosis & fix the problem. best regards