Question about Gateway FPD2185W 21 in. LCD Television

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Hello, I have a 21 inch hdtft lcd gateway monitor with a vga connection, and when I turn on the monitor the screen will turn on for a split second and then turn off? Can you help me?

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AOC 2036S won't connect to laptop


Is the cable working? try reducing your laptop screen resolution and connect to your monitor. Your monitor may not support full hd resolutions....

Jan 09, 2014 | AOC 2036S 20 INCH BLK LCD MONITOR

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Third monitor not showing


right click on desktop click screen resolution and press Detect button. Also try updating your video driver. also try swapping out the cables with each other and try using a hdmi cable for the TV connection.

Jan 18, 2013 | ASUS EAH5450 SILENTDI512MD3 RADEON HD 5450...

1 Answer

No video at power up


See if the problem is the graphics chipset before going any further.

If it isn't then the problem lies with the Video Cable, (Gateway = LCD Cable), or the Display Assembly.

The heading states Gateway LT2104u Netbook PC. This is what I'll be basing the solution on. However the main part of the solution, will apply to all laptops/netbooks.

1) Laptop OFF, monitor OFF, connect a VGA monitor to the VGA port (Connector) on the Left side of the netbook.

[ External VGA display port.
This is an example of a VGA connector, (Port), and a VGA Cable,

http://en.wikipedia.org/wiki/VGA_connector ]

The external VGA monitor can be a CRT type, (Cathode Ray Tube. Looks like a small TV), or a flat LCD screen monitor that has a VGA cable.

2) Turn the monitor on. If a CRT type allow it to warm up.
Turn the netbook on.

By default the display should be shown on the external monitor.
IF not;

A) Press, and hold down on the Fn key, and at the same time tap once on the F5 key.
(The Fn key is at the Bottom/Left of the Keyboard. The F5 key is at the Top of the Keyboard)

No display still?
There are at least 3 display options;

1) Internal monitor of the laptop ONLY
2) Internal monitor of the laptop AND external VGA monitor
3) External VGA monitor ONLY

You may have to hold down on the Fn key, and tap the F5 key more than once.

IF, NO display shows up on the external monitor, you have a bad graphics chipset.

[ Chip and Chipset are slang terms for I.C.
Integrated Circuit,

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

The GPU is the graphics chipset,

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

The GPU for a Gateway LT2104u Netbook PC is an Intel GMA950 ]

IF, display does show up on the external VGA monitor, you have either problems with the Video Cable, (LCD Cable), or the Display Assembly.

LCD Cable:

1) Connections;
The LCD Cable connects TO the motherboard, and TO the back of the LCD screen, in the Display Assembly.

IF, either connection is loose, you will have display problems.

Check both connections.
This requires partial disassembly of the netbook to access the motherboard side of the LCD Cable.

Also requires partial disassembly of the Display Assembly (Gateway = LCD Module) to access the connection at the back of the LCD screen.

2) Damage;
Observe the LCD Cable on the motherboard side. See if there are any obvious signs of damage to the LCD Cable's sheath.
The most susceptible area to damage is the area under the left Hinge.

However, the LCD Cable should be removed, and a continuity check of the cable should be performed with a multimeter, set to Ohms.

(By checking the connections, you are at a point anyway, that removing the LCD Cable should be no problem)

LCD Cable checks out OK?
LCD Module problem; (Display Assembly)

The LCD Module consists of the;
1) LCD Bezel,
2) Camera Module,
3) LCD Module Brackets, (Includes Hinges)
4) Microphone Module,
5) Wireless 3G Antenna,
6) WLAN Antenna cables, (Wires),
7) LCD Screen Assembly,
8) LCD Module Cover.

Primer:
An LCD screen does not produce light. It needs an additional light source.
A Backlight is the additional light source.

A Backlight can be a CCFL, or a series of LED lights.
(CCFL = Cold Cathode Fluorescent Lamp. Similar to Fluorescent lighting used in homes, and businesses)

The Backlight for the Gateway LT21 series of Netbook PC's, is a series of LED lights.

There is no screen Inverter that is replaceable by the consumer.
The repair is to replace the entire LCD Module.

http://support.gateway.com/s/notebook/2009/gateway/lt/lt21/LT21sp4.shtml

To conclude:
If the problem isn't the graphics chipset, (Motherboard replacement), and it isn't the LCD Cable, the problem is the LCD Module.

Gateway LT21 series of Notebook PC's, Service Manual, (Free),

http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-gateway

Go to where it states Gateway 400. Drop down to the second line, (EC54), and scroll across to LT21 in blue.
Left-click on LT21.

This is a PDF file. The computer you are using now has Adobe Reader on it, which uses PDF files.
After you click on the file name (LT21) it may take up to 30 seconds, before the first page comes up.

{ You can save this Service Manual to your computer. This way you can burn it off to a CD disk, AND remove it from the computer to save harddrive space, and not have to temporarily download it again }

For additional questions please post in a Comment.

Regards,
joecoolvette

Jan 28, 2012 | Gateway LT2104u Netbook

1 Answer

Gateway M275 display scambles


I suspect it may be a problem with the video cable coming from the convertible tablet, up through the hinged support for the LCD screen, AND/OR the screen Inverter.

I would like you to connect a VGA monitor, to the VGA port on the back of the convertible tablet. The VGA monitor will now be an External Monitor.

[ Looking at the rear of the convertible tablet, start at the Left side.
Vent, USB port, Monitor port. The Monitor port is the VGA port ]

The VGA monitor can be a CRT type, (Looks like a small TV), or a flat LCD screen monitor with a VGA cable.

Notebook OFF, monitor OFF, connect the VGA monitor to the M275's VGA connector. (Port)
Turn the monitor on. If a CRT type, allow it to warm up.

Turn the notebook on.
By the factory default settings, whatever is shown on the convertible tablet's internal monitor, should now be shown on the external monitor.
(VGA monitor)

If not, press, and hold down on the Fn key (On the bottom row of the Keyboard, all the way to the Left), and tap once on the F3 key.
(Top row of Function keys. The F3 key is the Display Toggle-Over Key )

No graphics shown on the external monitor? Hold down on the Fn key again, and tap the F3 key again.
There are at least three options available;

1) Convertible tablet's internal monitor - ONLY
2) Convertible tablet, AND external monitor
3) External monitor - ONLY

If graphics are fine on the external monitor, you have a problem with the video cable, and/or the screen Inverter. At this time we will bypass the LCD screen, and come back to it.

At the bottom/middle of the tablet's LCD screen, is the Hinge. The Hinge Cover is 'T shaped', and has one single Philips screw holding it on.
If you remove the screw, and the Hinge Cover, you will see two wire harnesses.
One Black, the other White.

See that these two cables are plugged in tightly to the connector.

After checking this step come back in a Comment, and state your findings.

Regards,
joecoolvette

[ Additionally;
Here is the Service Manual (Free) for the Gateway M275 Convertible Tablet,

http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-gateway

Where it states - Gateway 400, go down to the second line, and across to M275. Left-click on M275.
This is a PDF file. It may take up to 30 seconds before the first page comes up.

Dec 11, 2011 | Gateway M275 Tablet PC

1 Answer

I have a compaq presario computer using a compaq monitor. I have a Gateway HX2000 LCD flat screen monitor (year 2009) that I want to us instead of my compaq monitor. I have disconnected the compaq monitor...


I'm guessing the different monitors are different sizes? The only thing a driver for a monitor will do will tell the computer the max resolution that the monitor will be able to go up to. However most 90% of monitors can use the built in windows driver without issues. Your best bet is going to be to change the resolution on the monitor. To do this you can either hook up the old monitor, lower the resolution, and then plug in the other monitor. Or you can boot the computer into VGA low resolution mode by pressing F8 as the computer starts up and selecting that option. From there you can lower the resolution, and then put it at something more desirable with the new monitor.
The other possibility being your Gateway monitor is actually malfunctioning and you just happened to hook up a bad monitor.

Mar 27, 2011 | Computers & Internet

1 Answer

My Gateway HD2201 turns on and off


change the resolution of vga to 1024x768

Mar 17, 2010 | Gateway HD2201 22" LCD Monitor

1 Answer

LCD monitor goes blank


It appears that the display resolution set in your display properties is out of the range that the LCD can display.

Try this.

Boot to the ENABLE VGA MODE by pressing F8 to get the Windows Boot Menu. If you can get to the desktop, then go to display properties, and see if you can change the resolution to higher settings and maintain video. (If the video blanks out, then it should revert to the previous setting in 15 seconds)

Aug 03, 2008 | Gateway FPD2275W LCD Monitor

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