Why does a laptop switch on and off?

Question

Lenovo IdeaPad U430p

Repair and specifications information for the Lenovo IdeaPad U430p laptop—a 14-inch notebook with an Intel Core i5 processor and hybrid storage options.

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Husler @husler

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crwdns2931729:0crwdne2931729:0: Kul 28, 2024

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Why does a laptop switch on and off?

My Lenovo laptop when I switch it on it turns on then shows the logo an load for a several minutes then it start to turn on then off randomly.

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crwdns2944067:03crwdne2944067:0:

Hi Husler,

We need more details such as what operating system are you using and does anything appear on the screen at all before it shuts down?

crwdns2934271:0Kul 28, 2024crwdnd2934271:0 mike crwdne2934271:0

My Lenovo laptop when I switch it on it turns on then shows the logo an load for a several minutes then it start to turn on then off randomly.

crwdns2934271:0Kul 28, 2024crwdnd2934271:0 Husler crwdne2934271:0

@husler

What OS is installed, Win7, Win 10, Linux etc?

Can you get into BIOS on startup OK?

crwdns2934271:0Kul 28, 2024crwdnd2934271:0 jayeff crwdne2934271:0

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crwdns2933313:01crwdne2933313:0

Hi Husler,

We need more details such as what operating system are you using and does anything appear on the screen at all before it shuts down? — mike
My Lenovo laptop when I switch it on it turns on then shows the logo an load for a several minutes then it start to turn on then off randomly. — Husler
@husler

What OS is installed, Win7, Win 10, Linux etc?

Can you get into BIOS on startup OK? — jayeff