As an addition to what Jholland mentioned, is there a pattern to when these lines are appearing or correlation between running any programs and the lines appearing? If so it might be a conflict with the running program in question or at least an isolated issue in a similar fashion.
If you have not updated your drivers or made any changes to this system then I wonder why the lines appear now if it was indeed the driver? Main suspects would be a service pack or system update or another device driver you might have recently installed or updated.
To find the culprit on a system that appeared seemingly out-of-the-blue, I always follow Columbo's crime scene logic:
- What is there that wasn't there before? Newly installed programs, device, system update or service pack, etc.
- What isn't there that was there before? Uninstalled program, device drivers, deleted folder, file, registry key, etc.
- What has/was changed? Modified or moved registry, file or folder meaning system or application setting, BIOS configuration, system service, etc.
I guarantee you will find the culprit if you can answer each one of those questions.
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but before then I would defrag and optimize my system every month on the first, then I would do a data back up and then a disk image. I am totally lost here.
