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September 18th, 2023 17:20
Inspiron 5400 AIO, 3 Amber lights and 1 white light
Hoping someone can help. For a couple of weeks now as soon as the all-in-one is plugged in the power lights flash 3 times Amber and 1 time white.
PC still starts up and occasionally taken to a blue screen and the system date seems to be wrong, but this is not every time.
I'm able to use the PC for work but aware something is up with the machine and keen to resolve before it does stop working.
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RoHe
10 Elder
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45.2K Posts
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September 18th, 2023 19:38
Error code: 3 amber, 1 white = CMOS battery failure
It's a CR2032 coin cell battery, ~$2-$3. Read/follow instructions here.
Be sure to put a soft/clean cloth down under the screen when you turn PC over to start the procedure, so you don't scratch the LCD.
JamesMcCaw
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December 6th, 2024 13:21
Hi - I have the same problem but still persists even after changing the CMOS battery for a new one (white light blink, pause, amber light blinks three times in quick succession, pause and repeat). Any ideas? Thanks.
RoHe
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45.2K Posts
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December 6th, 2024 20:47
@JamesMcCaw - Exactly what PC model??
Sure the new battery is fresh?
Did you press/hold PC's power button for ~30 sec after removing old one, before installing new one?
Sure new one is right-side-up and fully/correctly installed in the battery holder?