Test all leads that attach to your hard drive including electrical extensions IDE,SATA
the leads from your "((motherboard to your hard drive))" make sure they have a secure connection and are not faulty or just replace them they might be faulty
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they could be faulty a computer needs its connections to continue its cycle and have an end so any faulty leads will end up with a computer error If your computer came with a motherboard disc the drivers could be on it or you might have a dirty graphics card remove the graphics card and clean the socket click start control panel display desktop you can select a different desktop from the drop down list or a browse button where you can select different pictures this may vary depending on your operating system
also settings you can change the settings for more or less pixels or from the drop down list pick the appropriate level of color range or troubleshoot also select advanced then general dpi normal size larger size or custom settingsalways click APPLY after making any changesalso
Click start control panel administrive tools computer management device manager scroll to display adapters + to expand you might see a yellow question mark ? or exclamation mark ! or a red x right click select reinstall drivers if your computer came with a motherboard disc the drivers could be on it or you might need to update or download new drivers for your graphics card http://download.cnet.com/intel-graphics-media-accelerator/3000-2108_4-10300119.html?tag=api if you still want/need a new video/graphics card Ebay you can buy these and even get them home delivered if you feel you do need one post a reply i can provide a link hope this helps
click start control panel administrive tools computer management device manager scroll down universal serial bus controllers you could see a yellow question mark?
right click to reinstall drivers
if you can see your usb drive but its not working
ports(com&lpt)right click update driver if this fails to fix the problem
check the USB leads that attach to the motherboard usually red white green black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems for a computer and its parts
click start control panel administrive tools ,computer management ,device manager look through all of your devices if you see a yellow question mark?or exclamation mark ! or red x
right click to reinstall drivers
hope this helps
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