My laptop powers up then turns off

Hi,

Try a full power refresh in case it is a corrupted BIOS and check if that resolves the problem.

Here’s the procedure:

a). Disconnect the charger from the laptop if connected.

b). open the laptop and disconnect the main battery from the motherboard.

c). Remove the RTC (aka cmos) battery from the motherboard.

Here’s an image taken from this teardown video for the laptop. At 2:56 minutes into the video you can see the RTC battery

(click on image)

When the battery is removed measure its voltage. If it is <2.6V DC replace it. Search online for Acer NITRO 5 AN515-43 cmos battery to find suppliers that suit you best.

d). Press and hold the laptop's power button for a full 30 seconds and then release it

e.) Reconnect the RTC battery (or its replacement).

f). Reverse the above steps to re-assemble the laptop.

g.) When the laptop is completely re-assembled, connect the charger and try to turn on the laptop.

If it starts OK there may be a message about the date and time being incorrect. This is normal as the BIOS has been completely reset back to its default settings. Once the date and time have been adjusted the message won’t appear the next time that the laptop is started.

If you had previously changed any user defined settings in BIOS to suit whatever specific hardware configuration that you had for the laptop, then thes