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.. Computer won't boot, black screen, no beeps, etc. solved my computer boots up but the screen is black and keyboard wont work computer wont boot and is showing a black screen with a blinking underscore.
Laptop won't boot up. after flashing cursor on black screen, i get windows 8.1 icon then blue screen with message, "your pc ran into some problems and needs to restart. we're just collecting some info for you and then we'll restart for you." the screen then goes blank and starts over with the same. Yesterday the laptop was working perfectly fine, but this morning i tried to turn it on and all i get is a black screen. the power light turns on, and the screen appears to be on (the screen backlight is on), but the screen is black and it won't boot into windows 10. nothing happens. what. This is a pictorial on how to get a toshiba laptop to boot again. the fault was, shows the toshiba logo, then a white cursor on a black screen. this unit is an l300, though the fault is common on.
