Lenovo Y500 does not start

Hello

I've had my y500 ideapad for a few years now. One day, my computer froze completely in normal operation. I had to hold the power button to do a manual stop. After that, my computer will not turn back. When I try to start it, I see a black screen, not even the Lenovo Logo. After 30 seconds, there is a single issue of the computer. Thirty seconds later, the fan turns as if under load, then a bit later, the fan to calm down and the computer will beep again. At this point, I can adjust the brightness of the backlight keyboard, activate the backlight of the screen in and out and the lock LEDs Num Lock shift on the job before, but I can't do anything else.

I tried to connect an external monitor to see if it's just a screen problem, but it doesn't produce any signal on the screen. Important, the same thing happens also when I try to boot in the BIOS using the Novo or F2 button.

I discovered that by leaving the computer unplugged with the battery for a long time, I can sometimes get it to display the lenovo logo and then start to boot windows. However, he gets as far as the windows 10 logo then goes black and finally beeps, as shown above. It will not fully start in the operating system. The time it takes between the work is around 5 minutes unplugged for a few hours.

I tried the stock bios flashing (using a USB bootable BACK player) and eventually managed to Flash the bios, but the problem persists. In the rare cases where the computer starts up, I can get to the bios, but as soon as I reboot, it goes back to the black screen.

I also tried holding down the power button while up to a minute while the computer is disconnected without battery. This seems to have no effect on the amount of time it takes between two attempts to start succesfull.

So is - anyone help me? From what I've seen, the problem seems to be deeper than the bios (as evidenced by no change after the flash bios). What I can do about it, or I'm on a laptop?

I finally diagnosed it as the video card. After I reinstalled windows, the computer starts normally and work, but the video card is turned. No video, blue lines outside the screen. I ordered a replacement motherboard, which is about the only way to fix it if you encounter the same problem that I am. Do not know what started the error if. Could have gotten just old.

Tags: Lenovo Notebooks

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