I have a t450s with i5 5200U, an 8GB Crucial stick (and the 4GB soldered), a 480GB Sandisk Extreme Pro SSD, 7265ac wifi, the 6-cell 72Wh battery, 1080p non-touch, fingerprint reader (disabled in BIOS), and Windows 10 pro x64. I added the RAM/SSD.
-Updating the video driver (from Windows Update, Lenovo's site, and Intel's site).
-Upping the video ram allotment from 256MB to 512MB in the BIOS.
-Disabling panel self-refresh, extended battery life for gaming, and display power saving tech in the Intel graphics panel.
-Increasing the timeout detection and recovery interval (https://support.microsoft.com/en-us/hel ... in-windows)
-Updating the BIOS
-Reinstalling Windows 10
-Setting the SSD to never sleep, and setting a fixed pagefile size (have no idea why this would help, but people on forums claim it did for them?).
-I replaced the external battery at one point (for unrelated reasons, that suddenly lost half its capacity).
The machine passes all of the hardware tests in the BIOS with flying colors, and continues to have the video driver crash occasionally. The system is otherwise perfectly stable. I've seen this with 20 days of uptime; I've also seen it with barely 10 hours uptime. Seems like it'll usually do it 2-3 times within the hour, then not again for a few weeks. I've only ever seen this on battery. Usually I only have Chrome and Spotify open.
The laptop is unfortunately out of warranty, however when it was I had the motherboard replaced once because of some major visual artifacts (that showed up on a screencap). That solved that, but the occasional crashes persisted - and Lenovo claimed it was an Intel/Windows bug outside of their control. It's been a year since then, so are they really still putting out buggy drivers/software (which I wouldn't put past either of them unfortunately), or is my hardware just faulty?
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