Screen display turned white after turning on the laptop.

Hi @jimroep

Turn off the laptop if it is on and then open it and disconnect the battery from the motherboard. You don't have to remove it, just disconnect it. This will allow you to safely inspect the board for any damage and also to clean away any remaining ants etc. Use a brush to gently clean inside the laptop.

Here's the ifixit Acer Aspire 5 A515-56T-7242 repair guide that will help to disassemble the laptop.

If there's no apparent damage e.g. burnt out or corroded components etc, and once you're satisfied that it is clear of all ants (and any debris left by them), reassemble the laptop and check what happens when you turn it on.

If you do see any damage, post an image of the board showing the problem back here in your question. Also provide the motherboard's model number (printed on the board itself e.g. LA-K091P perhaps), to make it easier to find the correct schematics for the board in case components do need to be replaced. Here's how to add images to your question in ifixit iFixitでの質問に画像を追加する方法

Last time I had similar stuff happen, mine was screens of death, the graphics card died. Try hooking it up to an outside monitor, tv, screen to see if it'll display on other mediums. I would take it apart to see the condition of the cards and then go from there.

Displays on another screen - Replace the screen

Tries to boot but gives you screens of death - most likely graphics card

Goes straight to flashlight mode - may be motherboard type stuff.