Question about BFG Technologies GeForce 8800GTS OC2 320MB: Specifications: GPU: NVIDIA GeForce 8800 GTS Bus Type: PCI Express Memor... Graphic Card

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Graphics problem: vertical lines at starup, scrambled resolution

Hello, I've been having difficulties with my PC.

My computer displays coloured vertical lines immediately at startup and upon booting into XP the entire screen becomes scrambled. Under safe mode I uninstalled my nVidia graphics drivers and I was able to reboot back into XP, but the coloured lines still appear.

I have been sending e-mails back and forth with nVidia tech support but I won't hear anything back from them for a few days and I'm looking for some extra help. My system specifications are as follows:

OS Name Microsoft Windows XP Professional
Version 5.1.2600 Service Pack 2 Build 2600
OS Manufacturer Microsoft Corporation
Graphics nVidia GeForce 8800 GTS
System Type X86-based PC
Processor x86 Family 15 Model 75 Stepping 2 AuthenticAMD ~2412 Mhz
Processor x86 Family 15 Model 75 Stepping 2 AuthenticAMD ~2412 Mhz
BIOS Version/Date Phoenix Technologies, LTD ASUS M2N4-SLI ACPI BIOS Revision 0301, 7/14/2006
SMBIOS Version 2.3
Locale United States
Hardware Abstraction Layer Version = "5.1.2600.2765 (xpsp.050928-1517)"
Total Physical Memory 2,048.00 MB
Available Physical Memory 1.76 GB
Total Virtual Memory 2.00 GB
Available Virtual Memory 1.96 GB
Page File Space 3.85 GB

Any help is greatly appreciated but I am primarily looking for cost effective solutions. Thank you in advance.

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  • Master
  • 837 Answers

You need to replace your video card

Posted on Feb 07, 2009

  • Jay Glendenning
    Jay Glendenning Feb 08, 2009

    That problem is most likely due to the processor on the video card overheating ...

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Graphics


THOUGHT OF UPDATE THE DRIVERS.
ADJUST THE MONITORS CONTROL ? .

Jun 11, 2013 | Dell OptiPlex GX620 PC Desktop

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 In the case that the video card is faulty it could be due to old/outdated/incorrect drivers being installed.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 | Computers & Internet

1 Answer

Hello, I am using VAIO VGN-C13G series laptop with 13.3" screen size. Recently I've got a black thick stripe vertical line on the right side of my LCD screen. And the whole display shrinked into...


Right click on the Desktop, and then click on Properties. Click on the Settings tab, and then change the resolution to the highest setting available.
If that doesn't work, I would try reinstalling your graphics drivers.

Aug 18, 2011 | Computers & Internet

1 Answer

I have an HP dv9040us with nvidia GeForce Go 7600. My issue is regarding the display. The screen either goes black or goes black and draws vertical lines. I can run the computer in safe mode and after...


Hi

It seems that you need to use the latest driver for the graphic card.

You can do that through visiting the manufacture's website, choose your laptop model, OS, look for video (vga) driver, and download it.
Please tell us your results
Good Luck

May 15, 2011 | HP Pavilion dv9040us Notebook

2 Answers

Laptop screen displays vertical lines of various colours


Have you tried to connect your laptop to external monitor?
If you get normal picture on external monitor, then you need to replace LCD screen, but if you get same picture on external screen, then unfortunately you will need new motherboard, because graphics card is integrated to motherboard.

Aug 13, 2009 | IBM ThinkPad R52 Notebook

1 Answer

LCD monitor have Vertical lines and black colour become greenish


normally the 19" resolution can support up to 1280*1024, but if it comes with vertical lines in full screen, it might indicate the panel is no longer to work and probably it's time to replace new one.

Aug 12, 2009 | Neovo S 19 19 in. Flat Panel LCD Monitor

2 Answers

Black colour displaying become greenish and narrow vertical lines


Most LCD monitors have a default refresh rate of 60 Hz. Older monitors also have limited resolution. Please check your display settings and ensure you're not using a refresh rate higher than 60, or a resolution higher than what it supports. If either one is the case, you're lucky the LCD still works.

Aug 12, 2009 | Computers & Internet

2 Answers

LIGHT BLUE VERTICAL LINE ON MONITOR


The vertical line is a bad pixel sensor at the edge of the screen, your screen has hundreds of vertical and horizonal pixel sensors. This is an indicator that the screen is going out and need replacing.

Jul 03, 2008 | Sony VAIO VGN-NR220E/S Notebook PC

1 Answer

My screen has gone massive and the colours have gone negative. help me?.................. x


Hi,

That sounds like your video card has gone back into VGA mode, 16 colours and a screen resolution of 640 x 480.

Go into the display settings and try setting the resolution to something like 1024 x 768 and the colour to 32 bit (16 million colours).

If the adjustment cannot be made, it is likely you have a graphics card driver issue. Find out what graphics card or chip you have and download a new driver from the manufacturers website.

Hope this helps.

Andy

Jun 26, 2008 | Computers & Internet

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