text: computer keeps restarting? yesterday my other computer just shut down, as if there was a power failure (but there wasn't). when it restarted, it said "windows did not start successfully. a recent hardware or software change might have caused this." then it asks me to choose how to start it (normally, safe mode, last known good config, etc). no matter what option i select, it restarts and the same thing happens. there's no way to end the cycle.  