Hey all,

I noticed on my monitor there are scrolling diagonal lines at various locations, depending on the colors being displayed. They seem to show up around shades of gray, or dark hues of other colors.

System specs:
System: Dell XPS 420
Processor: Intel Core 2 Duo E8400
Video: ATI Radeon 3870
Monitor: Acer AL2216W bd

If any other information is required to diagnose the problem, please let me know.

Thanks a lot for any help.

It would be helpful if you could take a picture?

If theres a refresh button on your monitor then that would be a good place to start.

Also, does this happen when your running windows as well?

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Mac OS X 10.5.5 • Voodoo 9.5.0 • 2.7 GHz AMD Athlon(tm) 64 X2 Dual Core Processor 5200+ • 2 GB 1334 MHz DDR2 • NVIDIA GeForce 9500M-M MB • Maxtor 75 GB IDE

I don't think a picture would pick up the lines, they're very subtle and small. I don't think it has a refresh button.

This only happens in Mac -- I haven't seen this in Windows or Linux. I just don't want to be damaging my monitor.

After many hours working I've noticed thoes lines too, but not only on leopard also on windows. Solved it temporarely unpluging and replugging from the video card. (let it rest a while)

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CPU: AMD Athlon 64 3000+ @2.3Ghz - Motherboard: ASUS A8N-SLI nForce4 SLI - nForceLAN by eno - SuperNForceATA by Medevil - RAM:2 GB DDR 333Mhz Audio: ALC850 Video: XFX nVidia GeForce 8400GS 256Mb (0x06e4) QE & CI from Chameleon 2 RC4Ethernet: Realtek RTL 8139 Series (working out of the box) OS: Snow Leopard 10.6.4 (aryajuanda's guide) + Windows XP 64bits

I'll give that shot eMatoS. For me though, the lines appear only in Leopard, and start immediately on bootup, even if the machine has been off the whole night.

Could it be artifacts?

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Mac OS X Leopard 10.5.7 (Retail)
Motherboard: MSI P6N Diamond
Processor: Intel Core 2 Quad Q6600 2.4GHz
Video Card: MSI NX 6600 TD256E (CI QE Dual Displays)
Memory: Corsair TWIN2X4096-6400C5DHX 4GB DDR2

Nope, they're moving. They're scrolling very consistently, all in the same direction, but they're very dull. On my wallpaper, for example -- the lines exist only in the darker areas, and once I drag a different colored window over the region, the lines go away.