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05-04-2020

GB

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Lenovo C540 powers on, then switches off. HELP!

2020-05-04, 5:23 AM

Hello,

 

My Lenovo C540 is having problems. I love the thing. It's been a loyal servant for many years and I'm not ready to give up on it.

 

A year ago, I switched on my C540 and i could see the button light up, then goes out (no clicking sounds and power button lights up for only 1 second). A lenovo c540, when switched on and operating, should have its power button light on at all times.

 

I thought nothing of it and pressed the power button again. Nothing happened. I noticed that other appliances were not working now as well (wifi, microwave, etc.), so i headed over to the fuse box and "down stairs plugs" was off. 

 

Fixed the fuse box, went to my lenovo and powered it on again. Same issue. I performed a power drain, replaced the fuse inside the plug and problem still persist. 

 

I took my PC to other sockets around the house and same issue. I noticed when i plugged in the power cable to an extension, it blew the extension before i plugged the thing into my PC. At this stage, I suspect the adaptor/power cable is causing the issue. 

 

I have only now found the right adaptor/power cable for my PC online, but before ordering it I wanted to check in here to see if anyone has suggestions before I purchase something that might not fix my PC.

 

thanks, 

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11 Posts

08-11-2020

US

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  • Message 2 of 2

Lenovo C540 powers on, then switches off. HELP!

2020-08-12, 13:20 PM
Have you looked into the "click of death"? There is a defect in the SATA power cable that causes it to short out and will often make a click noise through the speakers before turning off. The cable can be replaced via purchase or by making your own with the right adapter and some soldering. I am trying to do so right now.
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