Resolved Question

What is going on with my laptop?

My computer randomly started runnin slow so I restarted it by power button . Then it refused to boot , only displaying this message :

Intel UNDI , PXE -2.0 (build 083)
Copyright <C> 1997-2000 Intel Corporation

For Atheros PCIE Ethernet Controller v2.1.1.2(09.06.12)

Check cable connection !
PXE-M0F : Exiting Intel PXE ROM.

Then it restarts and it shows again , restarts and again and again and again. What is happening ?

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Best Answer

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Too many causes.

Corrupted drive, failed HDD, other things. All it tells you is it needs repair, but not what.

I usually boot off a Linux CD/DVD/USB to look around.

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cant it be more simple?

wouldnt re setting the HDD or something work ? Also is warranty helping?

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What is re setting the HDD?

That's a new term to me. Folk often write about formatting (which is technically incorrect as that leaves a blank nonbooting drive that may be hard to install the OS to.)

If it's in warranty, then no worries. Call and let them fix it.

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re setting

like checking if its in place

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Re: message

The message tells the PC can't find a bootable hard disk (nor a bootable CD, DVD or USB-stick).
If you can find the cause yourself by checking the cable from the motherboard and the power supply to the hard disk, certainly do check that. But usually it's a more complex and much more expensive issue. Be sure you ask an estimate before you have it repaired.

Kees

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causes?

Which could be the causes?

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Lots of possible causes.

If you have a Seagate hard drive, they've had a very bad reliability record, some models had a 40% failure rate last year. Also when/if you have a system crash, it can cause system files to become corrupt. There are other possibilities, but those are the two I'd say are most likely.
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Good luck.

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Checking the HDD is what Bob suggested with Linux

It's easy to make a Linux boot disc or flash drive. Just download Linux Mint from here:
http://www.linuxmint.com/download.php . You don't have to install anything, just boot from the disc or flash drive and in 2-3 minutes you'll be up and running with a user interface very much like Windows. There you can look around and see what the status of the hard drive is. If it's still there but just corrupted, you can reload Windows 10 with a version you can download from here:
http://www.microsoft.com/en-us/software-download/windows10 .
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Good luck.

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Answer
Have you tried Safe Mode?

If Safe Mode doesn't work, reply with your computer's make and model and what version of Windows.

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yeah

tried safe mode but didnt work (F8 / F8+Shift)
Lenovo G505 with windows 10

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