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Depending on the type of computer you have, when rebooting keep hitting the F1 key or F2 key or the F10 and when the options come up select the main hard drive (c:\ )and hit enter.should boot up to main drive. If it a Mac, take out battery and plug in power adaptor and hold start up key until machine starts up. once booted plug battery back in.
If you see the boot screen, then it is a problem with your operating system (windows)
If you do not see the boot screen, then it is the power supply or the motherboard isn't working.
If it turns green but you never see the screen come on, then it may be the video or the monitor.
If it does go directly to blinking amber, it is probabbly the power supply. It should only take a little while for a computer person to plug in another power supply and test it.
You can actually take a power supply out of someone elses computer and plug it in (don't even have to mount it in the computer)
Plug in the motherboard plug(s) and the hard drive only, then attempt to start.
If it does work, it is your power supply, if not then it is your motherboard.
You should first try to find out if it is a screen problem. Turn the machine down, and plug a monitor to it. Turn monitor on, power up the computer and see if you get anything on the monitor. If you get something (like the boot screen) on the monitor then it is not your screen. You will be able to troubleshoot further by going into Bios Setting.
Sounds like there maybe bad caps on the power board in the LCD.
Try a different monitor on your computer and if the known working monitor comes on with the computer and behaves properly then you know its a problem with your original monitor. If the known working monitor acts strange as well then you know its a problem with the video card.
Let me know what happens.
if the screen was fryed the fuse would of blew which means there would be no lights at all.. the best thing you can do is plug your screen into another pc to see if anything happens.. if nothing happens then yeah your screen must of messed up somewhere.. but if your screen works on another computer then your graphics card config cant be right somewhere along the line
Fmiliair proble, check not the plugs on the screen but the ones on the back of the PC, when the screws are not used the plug sometimes get a little loose and when the monitor gets no signal it will go blanc. However, power lights on monitor should still be visible.
Most monitors will say "Power save mode" when they can tell through residual voltage that the signal lead is plugged into a machine, but there's no picture being transmitted. The four states of a monitor are:
* Off entirely. * Switched on, plugged into a computer but no video signal being received - usually displays "analog power save mode" or "digital power save mode" for a few seconds, then blanks. Comes back to life the moment a video signal is received. This state is the default in full power saving mode. * Switched on, not plugged into a computer. Some monitors don't display anything, some go into power saving mode, some fly "CHECK SIGNAL CABLE" or a similar message around the screen. Picture is restored when the signal cable is plugged back into the computer * On fully, receiving an image, and displaying.