The "computer won't start" troubleshooting guides below apply to all pc devices. in other words, they'll help if your desktop or laptop won't turn on, or even if your tablet won't turn on. we'll call out any important differences along the way.. When your computer has a black screen on startup from doing this and you realize this is the problem and remove the usb, the computer just continues to boot normally..this sometimes happens because a computer sometimes recognizes a usb as a cd drive and tries to boot to it.. Solved black screen of death : laptop won't boot solved laptop won't boot - blue screen or black screen solved laptop won't boot, no beep codes, black screen, all leds on, capslock light stays on..
Hello, my laptop won't boot up right after i reset the cmos battery. it went black ever since, the power is on & caps lock on keyboard blinks but no sign of a video signal.. Hi, my dell laptop won't boot. no beep codes, and i have 2 different led post codes when charger is plugged in the code is. dell latitude e5450 won't boot - only black screen. unfortunately, i tried another hdd also, but still the same issue. maybe it's the motherboard. 0 kudos share. dell-rishi. moderator. The most common way that a computer "won't turn on" is when the pc actually does power on but doesn't display anything on the monitor. you see lights on the computer case , probably hear fans running from inside, and may even hear sounds, but nothing at all shows up on your screen..