When my laptop powers on i feel that it is trying to boot but my lcd screen remain black and nothing happens. But after a while all the lights are off except the power light. I am not sure it the problem is with the lcd inverter or the system board. Can anyone help me with repairing the problem
That seems to be the motherboard... But, memory can be stuck too. Try to disconnect the hard drive, and the ram memory... than try to connect the computer... connect them again, and try to turn on your computer... (Remember, to remove the parts, remove the battery and power cable first!)
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Re: problem black screen for acer aspire 5050
Probably the video card. Check in Device manager to ensure the drivers are not corrupt. If they are there will be a yellow, red or black sign next to the video device. Right click, uninstall the driver then reboot. The plug and play will load the correct driver. If that does not work then replacing the video card is needed.
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If you have a VGA cable and a monitor, attempt to plug this into a monitor to verify that the laptop will not boot into your OS (Windows generally). If it does end up booting into your OS, then it sounds like your LCD has died or become unplugged inside the laptop.
If the light stays on for longer than about 20 seconds, try moving the lid back and forth, try positioning it in every possible way. If you get an image, even for a second, you need a new LCD cable. If nothing happens, try to get your hands on an external monitor. Plug that bad boy in, if you get the image, you need either a new LCD cable or a new LCD screen. If still nothing happens, then you probably need a new motherboard.
Before you go buying a new MB/LCD/LCD cable, which can be rather costly, open up the back and make sure the RAM is seated properly, sometimes something can jar RAM sticks loose.
If you dont see any green lights and you dont hear any boot up sounds ( hd, fans, etc) try to take out battery and just plug in the AC adapter to a known good power outlet. Make sure your power plug is good too. If you hear boot-up sounds, see green lights but no display then toggle on the "fn" key and or try on an external monitor.
first try to locate the memory of your laptop, get it and insert it back to the socket. then, turn back on your laptop again.note please remove the power adapter and the battery before doing anything to your laptop for security reasons only.if it doesn't work just contact an expert technician to check your laptop, maybe there are some components that are not functioning.