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Re: Gateway laptop screen blank
If your laptop does not display a POST (power on start test)information your RAM could be faulty or the RAM is not making proper electrical connection.
Try reseating your RAM (memory), remove and reinsert the memory module a few times. Then reboot your laptop.
If it still does not work, then the memory may be faulty. You could test your memory in another laptop or try memory from another laptop in your laptop, to determine whether your memory is OK or not before you commit to buy new RAM.
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Test it with an external monitor. If it does not work with an external monitor, then your motherboard is defective. If your laptop works good with an external monitor, then your screen need to be replaced.
Please test it:
1. Remove the hard drive and turn on the laptop. If the laptop display BIOS, then replace the hard drive with a good working hard drive,
If it the laptop screen does not display anything, then:
2. Test it using an external monitor.
- If the external monitor blank too, then there is something wrong with your laptop's GPU and or motherboard (you need to replace the motherboard)
It's likely that your screen is "fried" (faulty) ... try to connect your laptop to an external VGA monitor, and see if the screen shows up (on the external monitor) properly. You may have to toggle the output display (device) from computer screen to external monitor ..using Fn+F3.
If it displays on your external monitor properly, it means your laptop screen is no good. You can replace the laptop screen, or just continue to use the external monitor.
If it does the same (blurry & different color, etc.) on your external monitor, then, your video card/module on your laptop is bad. This usually happens less often.
remove battery, unplug ac adapter and hold power button for about 30-40 seconds this will clean your video memory if this will not help try to connect your laptop to external monitor or tv then turn it on check if you can hear Windows starting sounds. If on external monitor will be ok then ist LCD issue if you cant hear any sound and on external monitor is same issue then its video card issue and you need to replace motherboard
Try plugging the laptop into an external monitor to make sure the laptop is booting up properly. If it is unplug the monitor from the laptop; or if you know the laptop boots up fine and you get the windows audio when it boots and the initial starting beeps then forget the monitor. Shine a torch or light source on the screen and if you see a faint picture then the inverter on the screen has developed a fault.
unplug everything from your laptop unplug the power from the laptop close it and turn it over remover the battery open and hold the on button(battery is still removed) for a 10 count, replace the battery
turn on you can plug the power cord if needed the prob. should be fixed