Question about Proview PL713S 17" Flat Panel LCD Monitor

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Broken LCD Monitor

I accidentally lay the screen down on top of a ream of paper rather than flat, and now I just get a white screen. Is this definitely broken? Turning on and off and adjusting brightness has no effect. This is actually a Proview 758 - it's 5 years old, but was working beautifully until this morning.

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Tv problem troubleshooting screen all white no picture


If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Take it to a repair shop.

Apr 08, 2014 | LG Televison & Video

1 Answer

White screen on laptop


Long read ahead Naveen.

Check to see if the problem is the;

A) Graphics chipset,

Or;
B) Video Cable,

http://www.ebay.com/itm/Compaq-Presario-1700-Laptop-LCD-Ribbon-Cable-251352-001-/310601465049?pt=LH_DefaultDomain_0&hash=item48514a3cd9

Or;
C) Screen Inverter,

http://www.ebay.com/itm/Compaq-Presario-1700-LCD-Inverter-KUBNKM011A-/280971500392?pt=US_Laptop_Screens_LCD_Panels&hash=item416b34db68

Or;
LCD screen,

http://www.ebay.com/itm/Compaq-Presario-1700-Laptop-14-1-Inch-Screen-251352-001-/310601464998?pt=US_Laptop_Screens_LCD_Panels&hash=item48514a3ca6

(Not advertising, but on another note; you can buy the whole laptop for $50 USD,

http://www.ebay.com/itm/Compaq-Presario-1700-14-1-Laptop-Pentium-lll-1GHz-256MB-CD-RW-DVD-Rom-20GB-HDD-/390534574226?pt=Laptops_Nov05&hash=item5aedacb092 )

A) Graphics chipset:

Laptop OFF, monitor OFF, connect a VGA monitor to the VGA port on the back of the laptop.
This is an example of a VGA connector (port), and VGA cable,

http://en.wikipedia.org/wiki/VGA_Connector

Scroll down a little for VGA cable example.
You can use a CRT type monitor (Looks like a small TV), or a flat LCD screen monitor of it has a VGA cable.

Turn the monitor on. If a CRT type allow it to warm up.
Turn the laptop on.
By factory default settings, the display should show on the external VGA monitor.
IF not:

There are at least 3 display options;
1) Internal monitor of laptop ONLY
2) Internal monitor of laptop AND external VGA monitor
3) External VGA monitor ONLY

Press, and hold the Fn key down, and at the same time tap once on the F3 key. The F3 key is the Display Toggle-Over key.
Still no?
Hold the Fn key down again, tap once more on the F3 key.

A good display on the external VGA monitor means the graphics chipset is OK.
A white screen on the external VGA monitor, means a problem with the graphics chipset. More than likely the Mounting to motherboard, of the graphics chipset. (BGA surface mount)
If this is the problem post back in a Comment.

A good display on the external VGA monitor, means the problem is the Video Cable; or inside the Display Assembly.
(Screen Inverter or LCD screen)

B) Video Cable:

The Video Cable plugs into the motherboard, in an area under the LED Button Bezel, and right next to the Left HINGE.

[LED Button Bezel is the strip of plastic below the LCD screen, and above the Keyboard. Has LED indicator lights in it, etc ]

It then leads up into the Display Assembly, where a small separate cable connects to one side of the screen Inverter, and the rest of the cable connects to the Back of the LCD screen.

Just due to normal repeated opening, and closing of the laptop; the Video Cable may become pinched.
This allows it to be pulled on, and/or damaged.
(Stretched/broken wires)

ALL power removed, AC adapter (Charger), and Battery; the connections for the Video Cable should be checked.
Motherboard side, screen Inverter connection, and LCD screen side.

Motherboard side connection:
1) Remove the LED Button Bezel.

Two screws (Philips) are removed from the bottom of the laptop, and the LED Button Bezel is CAREFULLY pried up, and off.

Details are in Page 91 in the Service Manual, which I will include at the last of this solution.
I will refer to the page number from now on, for the specific component removal.

2) Remove the Keyboard. Page 93.

I state remove, but do NOT unplug the Keyboard Cable from motherboard connector. Just unfasten the Keyboard, roll LCD screen side towards you, and lay upside down on the Palm Rest Cover.

You MUST physically check the connection for tightness. Try to plug it in tighter.

LCD screen side connection:

Disassembly of the Display Assembly, is not shown in the Service Manual. (At least I couldn't find it)
REMOVAL of Display Assembly is.
So I will guide you step by step. I do not believe the Display Assembly has to be removed, in order to remove the Display Bezel.

The plastic frame in front of the LCD screen is the Display Bezel.
Looks like this removed,

http://www.ebay.com/itm/COMPAQ-PRESARIO-1700-14-1-LCD-FRONT-COVER-BEZEL-/320720203233?pt=US_Laptop_Screens_LCD_Panels&hash=item4aac69ede1

From what I can see, there are four Philips head screws to remove, from the Display Bezel.
There is a Screw Cover at the Top Left, and Top Right to remove.
The is a Screw Cover at the Bottom Left, and Bottom Right to remove also.

The Screw Covers are made of synthetic rubber, or plastic.
I use a computer pick, and lift up at the base of the Screw Cover, where it meets the Display Bezel.

The Screw Covers are held in place by a type of rubber cement.
If you are careful you may be able to reuse them. If they don't stick again, apply a TINY dab of rubber cement with a toothpick.
I LIGHTLY stick them to the Display Bezel for safekeeping.

Remove the 4 Philips head screws. (No.1 Philips screwdriver, or No.1 Jewelers Philips screwdriver)

The Display Bezel has TABS going around the exterior perimeter, of the inside edges.
The Display Cover has matching LATCHES that the Tabs snap into.

I suggest cut a piece of thick construction paper, to JUST FIT the inside edges of the Display Bezel, and lay on LCD screen.
(Display Assembly laid as far back as possible)
This will protect the LCD screen from your fingernails.

The bezel is flexible. Come to the inside edge (LCD screen side), of the right side of the Display Bezel.
Lift the edge up with a fingernail, until you can slide a fingertip underneath.
Can't get in? Move over. You are at a Tab/Latch.

Bezel lifted up with one fingertip slid under, move over with the other hand, and slide a fingertip under. Flex the bezel up a little, and move towards the Top.
By now you should hear a Tab/Latch snap loose.
Sounds like you are breaking something.

(Do use CARE! The bezel can be broken, but not if you are gentle, and go slow)
Keep popping the Tabs/Latches loose, going around the Top, then Left side. By the time you come around the Left side, the entire Display Bezel should pop loose.

(At the TOP. You may have to slide the Latch over to the open side, to get the slot in the Display Bezel to clear, if a Latch is used)

Not your laptop, and uses more screws. Just a basic 'hands-on' guide I thought may help,

http://www.insidemylaptop.com/how-to-replace-screen-on-asus-u56e-laptop/

More to follow in added Comment.

Free Service Manual,

http://h10025.www1.hp.com/ewfrf-JAVA/Doc/pdf/c00000630.pdf

http://www.overclockers.com/more-laptop-musings/

Regards,
joecoolvette

Feb 21, 2013 | Compaq Presario 1700 Notebook

1 Answer

Hp g72-227wm has a broken lcd screen i have a hp compaq le1711 vga flat screen hooked to my lap top it was doing fine i log off out of windows and shut down the pc when i turn it back on the flat screen...


Check monitor is set to correct input (VGA, DVI, HDMI) if it goes to sleep instantly.


Otherwise screen resolution is set too high. Boot into safe mode by pressing F8 during boot. Login and lower screen resolution.

Oct 03, 2012 | Computers & Internet

1 Answer

How to remove stand from dell monitor + fp1800


First, find a sturdy flat surface. You will be laying the monitor on it's face - face down so get a towel, blanket or something soft to cushion the monitor on the flat surface.
Lay the monitor face down on the whatever cushion you chose.
There are two black machine screws on the back on the plate that is part of the stand. Remove these screws and the stand will slide free.

May 04, 2012 | Dell UltraSharp 1800FP 18.1" LCD Flat...

1 Answer

Can I clean my ViewSonic LCD Monitor (VE510b) with water (using cloth)? Please tell me easy procedure of cleaning my ViewSonic LCD Monitor screen. email: amdesh1@gmail.com


Hi


Time Required:
Cleaning a flat screen (LCD) monitor usually takes less than 5 minutes Here's How:
  1. Turn off the monitor. If the screen is dark, it will be easier to see the areas that are dirty or oily.
  2. Use a dry, soft cloth and very gently wipe the screen. A great choice would be the microfiber type of cloth used to clean eyeglasses.
    See Tip #1 below for kinds of cloths to avoid.
  3. If the dry cloth did not completely remove the dirt or oil, do not press harder in an attempt to scrub it off.
    Pushing directly on the LCD screen can often cause pixels to burn out.
  4. If necessary, dampen the cloth with distilled water or with an equal ratio of distilled water to white vinegar.
    Many companies also sell small spray bottles of special cleaner for flat screen monitors but the vinegar mixture is usually just as effective.
    See Tip #2 below for products to avoid.
  5. The plastic edge that surrounds the screen can be cleaned with any multipurpose cleaner but take care to avoid contact with the screen itself.
Tips:
  1. Avoid using paper towels, toilet paper, tissue paper, or something like your shirt to wipe the LCD screen. These non-ultrasoft materials can scratch the screen.
  2. Avoid cleaning products that contain ammonia, ethyl alcohol, acetone, toluene, ethyl acid, or methyl chloride. These chemicals can react with the materials that the LCD screen is made of which could yellow the screen or cause other kinds of damage.
  3. Never spray liquid directly on the LCD screen or it could run inside the monitor and cause damage.

May 20, 2011 | ViewSonic VE510b (Black) 15" LCD Monitor

1 Answer

How do I open a Samsung L1942S LCD monitor?


You need to remove the base, and the 3 screws on the bottom...after that use a flat head screw driver to pry the edges up, it may take something to hold the corner sections elevated so you can get around the entire frame of the monitor. Doing this will bring out the screen and the power board/processor areas of the monitor. Make sure you lay the screen flat with nothing under it so that it will not be damaged in the process...LCD screens do respond well to being placed on your knee or having excess screwdrivers laying under them :)

Dec 15, 2009 | LG L1942S-BF 19 inch LCD Monitor

1 Answer

Dell monitor white screen


Some people have disassembled the LCDs, and resoldered all cracked or corroded solder joints to get them to work again.

Oct 12, 2009 | Dell E151FP 15" Flat Panel LCD Monitor

1 Answer

Fine white vertical line down the left side of the screen. It is always there I can't adjust out.


Does this white line show if the monitor is plugged into a different computer? If not, the graphics card in the computer might be bad or MAYBE the cable. If the line is still there on another machine, the monitor is broken. This likely means a fragile ribbon cable has been torn or damaged inside the monitor. It can rarely be fixed and is so fragile that most people further damage the cable when attempting to adjust it. Sorry about your luck.

Sep 14, 2009 | ViewSonic Optiquest Q9b 19" Flat Panel LCD...

1 Answer

AOC lm929 monitor


AOC LM929 or Envision EN-7100 removal instructions:

DANGER!!! UNPLUG and allow the monitor to discharge before servicing.

with a small flat head screwdriver, insert into the edge and pop open the small plastic

pieces that surround where the stand connects to the monitor. put plastic pieces aside.

lay monitor on soft flat surface front side DOWN. with a phillips head screwdriver,

remove 4 screws in the center that hold on the stand. put stand and screws aside.

lay monitor on soft flat surface front side UP. insert flat head screwdriver into the

side edge of the grey plastic and turn screw driver so the plastic surrounding the

screen edge pops up exposing an area surrounding the screen. put plastic rectangle

piece aside.

slide out plastic buttons piece from the side and put aside.

with a phillips head screwdriver, remove 8 screws (4 on top and 4 on bottom) that hold

the screen assembly to the back housing. now lift screen assembly out of the plastic

housing. put back plastic housing and screws aside AND lay the monitor screen with the

FRONT side down on a flat soft surface.

with a phillips head screwdriver, remove 2 screws that hold on the metal electronics

cover. slide the cover down and remove. put the cover and screws aside.

USE CAUTION!!! Some components may still contain a charge.

check fuse... whatever...

Aug 29, 2008 | Computers & Internet

1 Answer

Envision LCD


That mean your logic board of the LCD need repaired or replaced.

Apr 06, 2008 | Envision EN-7100e 17" Flat Panel LCD...

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