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I'm trying to troubleshoot a display problem on my Lenovo Thinkpad L512. The desktop is shifted off center to the left and down. This leaves about a 1" strip on the right side of the display that can't be used. The bottom of the screen is also about 1" below the visible area, such that the taskbar is inaccessible.
I've been through all the display and graphics settings and there's nothing that makes any difference. Interestingly, about once in every 20 or so times I restart the laptop is comes up normal. And sometimes the blank strip on the right shows up as multi-colored vertical stripes rather than black.
The graphics processor is on-board Intel GMA x4500mhd. Other than the shifting, the display looks fine.
Does anyone have any thoughts about what could be going on, or things to try to fix it? It's an older, secondary laptop so I really don't want to spend too much fixing it. Obviously if the graphics chip is bad, I probably won't bother with it.
Is it shifted or is that part of the screen just dead? Does your mouse cursor stop at the edge of the usable part of the screen or just disappear basically? Latter would suggest it's a dead screen or possibly dead video cable to the screen which maybe you could splice but it'd be easier to just replace the screen.
Do you get the same problems hooked up to an external monitor? That would more likely be software. Try reinstalling drivers and if that doesn't work factory reset. If neither of those work then you're pretty much SOL. Not worth replacing the motherboard on an old laptop.
I'm pretty sure it's shifted. The cursor stops at the usable edge and it goes off the screen at the bottom. Oddly, the top and left edges are where they would normally be.
The display looks normal on an external monitor.
Some additional info - I was running Win7 when it started doing this. I recently updated to Win10 hoping that might help, but it didn't make any difference. I mention this because it's now using the Windows drivers, since Intel and Lenovo stopped supporting this and neither offers Win10 specific drivers.
If I can find a cheap mobo I might try replacing it, mainly just for fun. I really liked this laptop. Otherwise, it's worth more parted out than whole so I might try doing that.
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