Aspire V5-471G operating system not found

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Distorted21
Distorted21 Member Posts: 4 New User
edited March 2023 in 2017 Archives

I have an Aspire V5-471G that got wet. So I made it sure to get it dry before turning it on. After several days I decided to turn it on but I now get the error "operating system not found". I disassemble it, clean the ram, test the hdd to make sure it is working (and yes it is) remove the cmos battery. But it did not fix the problem.

 

Now I tried to go to bios setting and enabled the "legacy BIOS" instead of "UEFI", this temporarily fixed the problem. The laptop works fine and booted to windows 8.1, everything works fine.

 

But here's the problem, whenever I unplugged the charger and turns on the laptop it gives me the previous problem and says "operating system not found" again. 

 

When I checked the BIOS settings the boot mode reverted to "UEFI" again.

 

So here's the thing whenever I unplugged the charger its boot mode reverted to UEFI. But if I did not unplug the charger and just turns off the device, legacy bios is kept and windows boots normally.

 

Is there any way I can fix this?

 

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