However, if you try to start up after that and land back on Automatic Repair, rather than your usual Windows desktop, then click Advanced options > Startup Settings. Here, choose Restart, and you'll see a list of boot up options. Hit 4 or F4 on your keyboard to choose Enable Safe Mode. This launches a stripped-down version of Windows, with only the essential applications and utilities enabled. You may be able to launch Windows in this minimal state. If so, try uninstalling any programs or devices you've recently added, as they could be interfering with system startup.