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No message display on screen

Ram and video card is working but still no message in screen, I change the cord, I check the pin, I test the monitor is ok...why still no message in the screen?

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2 Answers

How do I see if Video card is not working on a Latitude D630 lab top


Plug an external display in. Laptops don't have video cards, it is all on the mother board.

Dec 04, 2014 | Dell Latitude D630 Notebook

Tip

Fix colored vertical lines on LCD display.


If your LCD monitor is displaying vertical lines whether they be green, blue,
black, red, yellow, etc then the following info is for you.
slasher_x_69.jpg
When it comes to vertical lines being displayed on the LCD screen it could mean two things; either the monitor itself is faulty or the video card is faulty. In the case that the video card is faulty it could be due to old/outdated/incorrect drivers being installed. For each of these options it's best to have your monitor's or laptop's user manual handy.

slasher_x_70.jpg
Adjusting the resolution
The first thing you'll need to try is adjusting the screen resolution. If you're
unsure on how to do this or want more info about it then see my tip here.
Try setting the resolution lower. If you're using a 4:3(square LCD panel) then your optimal resolutions are: 800x600, 1024x768, 1152x864, 1280x960, 1280x1024, 1400x1050, 1440x1024, 1600x1200. There are some other higher 4:3 resolutions but 4:3 ratio monitors that can support these resolutions are rare.
If you're using a 16:9 or 16:10(wide-screen LCD panel) then your optimal
resolutions are: 1024x640, 1152x720, 1280x720, 1280x720, 7280x800, 1366x768, 1440x900, 1600x900, 1680x1050, 1920x1080, 1920x1200, 2048x1152, 2048x1280, 2560x1440, 2560x1600. There are higher resolutions but they need faster graphics cards and larger LCD panels.

Start at a lower resolution and work your way up until the vertical lines appear. This will help you to find the most stable resolution for your setup. If they are still present even at a lower resolution then we will now try to adjust the refresh rate.

Changing the refresh rate
The next thing we're going to do is try a different refresh rate. Normally the
LCD panel manufacturer specifies the optimal refresh rate for the panel, this information should be printed on the packaging and displayed in the monitor's user manual. If you're unsure on how to do this or want more info about it then see my tip here.

If you've ever used a CRT monitor, you know that fine-tuning your refresh rate is essential. The refresh rate of a display is measured in Hertz (abbreviated Hz) and specifies the number of times per second that a display is illuminated. Setting the refresh rate to 60 Hz - a common default value - tells the monitor to redraw itself 60 times per second. For most people, that setting on a CRT monitor is too slow, resulting in an annoying flicker that can cause headaches, eyestrain, and fatigue. Bumping the refresh rate to a higher number can reduce that flicker, as long as the monitor itself can handle the faster rate. If you're using an LCD monitor then a safe refresh rate lies in the 60Hz-75Hz range. A greater refresh rate when it comes to LCD's means greater performance.

If changing the refresh rate doesn't affect the vertical lines then it may be time to update those video drivers. If you have a graphics card installed in your system then you can go to the various websites to get the latest drivers for them:

If you have an Nvidia card: http://www.nvidia.com/Download/index.aspx?lang=en-us
If you have a ATI/AMD Radeon card: http://support.amd.com/us/gpudownload/Pages/index.aspx

If you aren't using a graphics card and are using onboard graphics or have a laptop then you will need to go to the Pc's motherboard manufacturer's website or laptop manufacturer's download support website. A quick Google search can help you there.

Once you have downloaded and installed the appropriate drivers restart your system and see if the vertical lines are gone. If they are then well done!!! If not then we'll need to diagnose this problem on a physical level.

Try resetting the monitor to factory settings
Most monitors have an on-screen menu that you can use to reset the settings to default. You will have to follow the monitor's user manual procedure to do this.

Check the cabling (For Pc's not applicable to laptops)
Unplug the video cable between the computer and the monitor and check the ends for bent or broken pins. If any pins are damaged, replace the cable. Otherwise make sure the cable is securely connected at both ends namely the computer's graphics card or onboard graphics, and the monitor.

If the monitor has more than one type of connection available such as VGA, DVI, or HDMI, try a different type of connection.

Test out the monitor on another PC
If possible, connect the monitor to another computer. If the lines appear when the monitor is connected to the second computer, the monitor might be damaged or defective. If the lines disappear when the monitor is connected to another computer, connect the monitor to the original computer and check the step again where we updated the video drivers.

Test out another monitor on the system
If you can, try out another monitor on the PC. If there are no lines on the second monitor then it is indeed the first monitor that is faulty. If there are lines on the second monitor then review the section where we updated video drivers.

Where to from here?
If updating the drivers does not correct the problem, the graphics adapter might be damaged. Typically, video cards are damaged by too much heat caused by an accumulation of dust around fan areas. Cleaning the components inside the computer, especially the graphics card area, might correct this problem. You could also swop out the graphics card for one that you know works and see if the problem changes. Faulty or corrupt memory RAM modules can also cause vertical lines and interference; you'd better give these a clean. External intereference can be caused by magnets, check to see if there are maybe magnets nearby your PC (This only affects CRT monitors).

If the mouse cursor shows up fine when you put it on the vertical line, then it's you're video card. green lines are artifacts caused by VRAM or GPU overheating. Try using compressed air to clean your video card to the best of your ability. If by any chance you are using an integrated video solution, clean the northbridge heatsink.

If all these tweaks and troubleshooters fail to change the situation then it may be the fact that your monitor has reached the end of its life span. If it's still in warranty then have it sent back, if not then it may be time to upgrade.

on May 31, 2011 | PC Laptops

1 Answer

Not getting video (blank screen) on my Sony Viao E series laptop.


Hi,
Your friend is wright, this is a graphic card problem.
most laptop have the graphic card integrated and cannot be changed.
in your case check this link http://community.sony.com/t5/VAIO-Hardware-Networking/CAN-I-REPLACE-GRAPHICS-CARD-OF-MY-VAIO-LAPTOP-E-SERIES/td-p/164377

Thanks.

Nov 02, 2014 | Sony VAIO E Series Notebook VPCEB1GGXBI

1 Answer

Packardbell imedia


Hi paul,

1. check signal cable from pc into monitor and try to use other signal cable also do try into other monitor if prob cant solve.
2. your imedia include with graphic card? If has a graphic card try use other good graphic card to test the display run or not. If cannot.
3. Try make some cleaning into your ram, Test your ram one by one because sometime no display appear because of broken ram.

Try check this 2 site to other solutions..

Thanks..
1. How To Test Computer Monitor That Won Display Or Is Not Working
2. Fix Your Computer Monitor When the light is yellow or amber not green (try this one)

Good Luck.

Jan 19, 2014 | AMD PC Laptops

3 Answers

Screen is blank. Computer is switched on.


This is probably due to a video card failure. It could also be a ribbon that connects to the motherboard for the LCD monitor. You can remove the keyboard and find the strip that connects the lcd screen to the motherboard. Not too much info but thats a start...

Jan 28, 2011 | Toshiba NB205-N210 Netbook

1 Answer

My acer KAV 60 screen is not working. the hard drive boots and it charges but nothing happens on the screen. It just remains black. I did't drop it or spill liquid on and it's only a year old.


In order to check what is really not functioning. Your laptop have a video port for external monitor which is color blue often at the lower back of your lcd screen or at the side. Plug the CRT or LCD monitor to your vga(video graphics adapter) port to check if your laptop is still functioning. If there is a display on your external monitor that means you have to replace your lcd monitor. If there is no display with external monitor check your memory or ram by unplugging your memory then clean it with a hard eraser the memory pin and then put it back again and turn on your computer to test if already functioning. If the above procedure didn't work you have to bring it in a computer repair shop. Have a good day!

Dec 20, 2010 | Acer Aspire One PC Notebook

1 Answer

My acer aspire 9300 turning on but no display i alredy do i do unplug battrey and hold the power button 30 seccnd but no work i chang laptop memory ram but no work plz help me what i do i m in very troublr


If you turn on the laptop and the screen still off and also you put new memory. I guess you will have to get a new screen. But first test the video card, connect an external monitor to the vga connector (is the blue one). if you see all through the monitor then the problem is on the screen.

Oct 26, 2010 | Acer Aspire 9300 Notebook

3 Answers

You can hear my computer is running but my screen is black. What could it be?


Computer is running but the computer is giving no display. try the bios . still no go . do you hear any beeps from the computer . try a ram and harddrive reseat . try the power drain . and then try replacing the ram and trying . if you do not have another ram also try using another ram slot if there and try booting up . it should either be a ram problem or the system board .

Oct 19, 2009 | PC Laptops

1 Answer

Acer Aspire One 10.1" vertical line down the center of the screen


To determine if you have a faulty LCD screen or a faulty video card, connect an external monitor to the laptop's video port, power up the external monitor first the the laptop. The video output should automatically switch to the external monitor. If you get a normal image then the video card is OK, and the fault is with the LCD screen.
If you still get a bad image, then the fault could be a faulty video card or video RAM. Most laptops use part of the main RAM module for video RAM, try reseating the RAM modules and or test the RAM modules. If the RAM is OK then the fault is the video card.

Apr 19, 2009 | Acer Aspire One PC Notebook

1 Answer

Dell Inspriron 700M- DvD drive plays audio on the dvd but not pic


To determine if you have a faulty LCD screen or a faulty video card, connect an external monitor to the laptop's video port, power up the external monitor first the the laptop. The video output should automatically switch to the external monitor. If you get a normal image then the video card is OK, and the fault is with the LCD screen.
If you still get a bad image, then the fault could be a faulty video card or video RAM. Most laptops use part of the main RAM module for video RAM, try reseating the RAM modules and or test the RAM modules. If the RAM is OK then the fault is the video card.
If you can determine the fault then I can possibly offer a solution.

Apr 19, 2009 | Dell Inspiron 700M-2YC1.6G Notebook

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