I have a very weird monitor problem that I don't no if it is a driver problem or and hardware problem. But for a few weeks now I have not been able to use my Acer 5920G laptop, with out an exteral monitor / HD TV. The reason being it if I do I soon get weird interfearance like a badly tune TV set on the 15" LCD screen.
As I said I don't know if it's a hardware or software problem and I am just wondering if anyone can give me some surgestons before I go mad with rage..lol
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It is not your computer that needs drivers, it is the hardware you need to connect to the operating system that needs a driver. From Windows 7 and up, Microsoft only allows drivers, if the manufacturer asked for certification and the hardware and driver and they work conform Microsofts demands. If the hardware and driver is certified the driver is also on the Microsoft website. Most of the time if you use new hardware the operating system goes to Microsoft to see if there is a correct driver and then installs the driver.
For older hardware, only few manufactures make drivers and ask certification. Most only develop drivers for their new hardware. So for older hardware there are only a few drivers. If Microsoft can't deliver drivers, or the manufacturer from the hardware can't, you are lost. The devices won't work with the new operating system. Nobody told you that before upgrading. Since I upgraded to win 7 I could not use several expensive things I was used to, like a great Logitec webcam in a sphere, a great sound card from Creative labs, with break out box and so on.
Try booting in VGA mode to disable the Nvidia drivers, see if this works ( also try safe mode) Try connecting to an external monitor, see if lines vanish
If the problem goes away in vga mode, Nvidia drivers are the problem If the problem remains on the external montor, the issue is with the graphics chip If it vanishes using an external, issue is with the screen being damaged or vga cable damaged
Try opening system prefrences, you can access this from the apple menu top left or from the dock. Go to displays and se if you are using the best profile for the montor. This is odd, usually like you said this is a crt timing problem. Work in prefrence and change the size and brightness.
To determine if he video card is faulty, connect an external monitor to the laptop's external video port, then power up the external monitor and then the laptop. The video info should automaticall switch to the external monitor. If you see anormal Windows image on the monitor then the video card is OK and the fault is with the LCD screen, could be the video cable/connector. Try reseating the video cable/connector to the motherboard.
If the video card is faulty and because it is part of the motherboard it is extremely dificult to repair, usually a replacement motherboard is required. This may not be a cost effective solution depending the age of the laptop. You could remove the hard drive from this laptop and insert it into an USB hard drive adapter case and use it as an external USB drive.
Those are dead pixels if you want to get rid of them you will probably need to replace the monitor. They will probably charge you an arm and a leg to replace it so you might get a second quote from Computer repair shop.