I've been using my Lenovo Legion Slim 5 for over a year without any major issues, but ever since I installed Windows Update KB5077181 last Thursday, my laptop has been a mess. It keeps crashing and I'm getting constant BSODs (blue screens of death). Sometimes it randomly powers off, prompts me to reset my Windows Hello PIN, and there are times when the BIOS doesn't even start correctly, forcing me to reboot multiple times. I've experienced at least 15 BSODs in just the last 48 hours.
I've tried a lot of things to fix it myself, including disabling Bitlocker for easier recovery, attempting to update drivers, uninstalling the problematic Windows update, and switching my Windows account type, but nothing seems to work. The crashes are really inconsistent; they come in different forms, and the error codes vary a lot. I'm considering resetting Windows or even reinstalling it completely, but I want to avoid additional costs or inconveniences. I'm looking for effective strategies to deal with this situation and tips to ensure that update KB5077181 doesn't reappear and cause more issues. Any advice would be greatly appreciated!
3 Answers
I faced a similar issue after a recent Windows update, and I managed to fix it by doing a clean install using a fresh USB drive. I also used the Microsoft tool to hide the problematic update so it wouldn’t reinstall automatically. If you're opting for a clean install, make sure you have a valid Windows key before proceeding!
Checking your minidump files is crucial since they can provide insight into the crashes. From what I've heard, update KB5077181 has been mainly causing network issues and boot loops, but your crashes might be unrelated. If you want to completely eliminate any software as a cause, consider doing a clean installation of Windows. Make sure to back up your important data before doing that, as it will involve deleting your system partition.
To get to the root of those BSODs, you should gather the dump files from your crashes. If you can boot into Windows normally or at least get into Safe Mode, navigate to C:WindowsMinidump and see if there’s any dump file there. You can zip and upload those files to a file-sharing service like MediaFire or Catbox, as there's usually a lot of helpful info in those logs that can point to what’s going wrong.

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