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A Samsung Series 3 PC, the NP300E5C-A09US is a 15'' laptop with a 1366x768 screen resolution. It is a great choice for anyone looking for a lightweight, yet powerful portable computer.

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How can I fix my laptop logo/boot loop?

When I start up my laptop the samsung logo comes up and after a few seconds goes to a black screen and a few seconds later it goes back to the logo and it keeps repeating this forever. I have tried many of the common BIOS keys and none of them brought up anything.

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Have you tried to use a usb with a bootable window?

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Hi!

I have the same problem, and with some googling, it came out that the NVRAM (which is located in the bios) is corrupted. (In my case, it corrupted when I installed linux, as documented on many forums.) Unfortunately, the only fix is to buy a new bios chip and replace it.

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Take out battery:

Samsung NP300E5C Battery Replacement

Try resetting BIOS:

https://www.youtube.com/watch?v=UXDZXDif...

I would ignore the desoldering part and just remove the CMOS “coin” battery, to the right ,top of video before where he does the desoldering.

This will help with disassembly - clearer than video:

Samsung NP300E5C-A09US Motherboard Replacement

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Samsung NP300E5C Battery Replacement

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1 minute

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Samsung NP300E5C-A09US Motherboard Replacement

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20 minutes - 1 hour

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Hi @gcb140

My bet is your Hard Drive is having problems. You can try to reinstall windows using a recovery disk but if it continues to fail, you may need to replace the Hard Drive.

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I am having the same problem but after I replaced the hard drive and RAM. Boot loop, won't even POST, can't get into BIOS. Won't boot from DVD drive or Hiren's through USB.

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After you've replaced the Hard Drive, you will need to reinstall an Operating System for the computer to recognize the Hard Drive as a boot device. Follow these instructions to start the process:

https://community.spiceworks.com/how_to/...

You will need a bootable flash drive with your Operating System installer on it to reinstall successfully.

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