Model A1369, 1.6, 1.7, or 1.8 GHz Processor, 64, 128 or 256GB Flash Storage

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Will a new battery fix my mac air?

Model A1466

4years ago it was spilled coffe on the table the computer was laying on.

I opened and cleand the computer.

It worked ok for 3years, only noticable issue was Screen became dark/dim if connected to charger.

And the battery charged to 100% fast, and drained fast.

For 1year i just left it, and now started it again.

Now the battery says X.

No %.

Tryed taking out the battery and plugging it in again.

(Nothing wrong with charger)

I tryed removing the Battary, and switching on the comuter only with charger plugged in: then the computer powered on, but the screen was verry dimmed - like no backlight. (Original issue)

Does anyone think replacing the battery would help

Or the pcb where the carger is connected on the left-hand side. (I/O board)

Or maby the I/O board cable,?

as that is the only place the 'liquid'-marker has become red.

NB: might there be any connection to the screen damaged ? Cus the screen 'is on' when the Power adapter is on, only the screen will be so dark i cant se whats on it.

If i drag out Power adapter screen lights up straight away.

EDIT:I run the HW test, and it did not find any issues, even wit the battery showing X, and the caharger not showig the green/orange light.

I could start the test with only on battery, and it does look like the Computer is working, although the screen is black/dark.

Since when i unplug it, its has the same window open, and I se the HW test has run for ca 44min...

- i find it strange it dosent find any faults. When Mac is fauly.

Ive don Pram reset and the other reset as well. Battery still says X. And no sign of charging.

Answered! View the answer I have this problem too

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Is the X red or black?

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The X for the battery is black.

I could imagen the battery might be drained/damaged after laying unused 1 year ?

Also some times my Charger shows the green light, and i become excited, but the Mac still shows X = no battery connected / battery s

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You have only the cost of a new battery to lose and that is your choice. Does the unit work without the battery and power plugged into the wall? If so I would get a new battery, if not then it will really be a waste to get a new battery.

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Thank you for your reply.

When i remove battery and only use charger i do randomly experience screen becomind dark/dimmed.

But that happens when battery is in as well.

my normal way of fixing it, is by removing charger. :/ then the screen allways lights up.

Yes as you say, dosent hurt trying

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You might want to get a new charging unit as well. Especially if that is an old one.

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Ingrid will be eternally grateful.
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