Why do I have a black screen on boot?

I have a Samsung notebook Np350v5c A0EUK and I'm getting nowhere from what I've read online. The laptop is getting power with mains I get the blue light on power button and also I can hear the fans running underneath. But nothing appears on the screen not even a lighter black colour indicating that it's booting. I've tried all sorts for a fix like take battery out and hold power button down for a minute. I've even tried hdmi connection and tried removing hdd and memory sticks and changing them around. Still no joy. Can anyone help? Thanks. Tim

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3 Answers

If nothing comes on screen when the HDD is not connected it is most likely that the bios has become corrupted... 90% of the time (because it a laptop and the don't tend to have things like duel bios and such) you are out of luck... (To a computer it's like haveing brain damage and not knowing how to breath...) all I can suggest is to go to the developers website and see if they have instructions on flashing the bios (not likely)

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After so many switch on/off

Pressing f8 while restarting it suddenly started to recover giving me errors such as mountable boot and others

It is working now but not properly

Update (06/05/2016)

The following is the summary

My laptop Samsung Model NP350V5C-A0EUK

I had many problems since upgrading last August from Windows 8 - but it has been working fine since December (fixed itself)

However I updated 2 days ago with the following

Cumulative Update for Windows 10 Version 1511 for x64-based Systems (KB3156421)

Update for Windows 10 Version 1511 for x64-based Systems (KB3152599)

Windows Malicious Software Removal Tool for Windows 8, 8.1, 10 and Windows Server 2012, 2012 R2 x64 Edition - May 2016 (KB890830)

Cumulative Update for Windows 10 Version 1511 for x64-based Systems (KB3147458)

I updated and restarted fine. While working on Chrome it stopped responding. I restarted but it went into on off restart loop first. where no access to HD, KB or WiFi was possible and I had off screen.

After restarting several times

taking the batteries off and back on

pressing F8

the hard disc and wifi lights finally went on

The first error displayed unmountable-boot volume

that ws followed by several restarts untill suddenly wile talking to Samsung customer service ( who asked me to click on F4 then start it and keep my finger on it for endless tie)

suddenly it came back.. and startied to fix itself...I didn't get the 2nd error screen this time it was fixing something in the disc drive

it is working now .but it is not working well

for example I have critical error and restart each time I click on the windows start icon on the right bottom corner.

Now can I uninstall and restore to my previous state as it was working fine??

under update history there is uninstall latest preview build

not sure if window 10 has restore option as I can't find it.

The restore option in control panel displayes the following next the option (window 7)

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That sounds like A the drive is miscarriage/dying or B the Windows install has become corrupted...


It is restarted now to the bios screen ? Is it possible to restore it using the bios setup screen?


I would recarage the drive before doing anything, and sorta, from there you can change the boot order to USB so you can repair Windows..... You can do this with the installation media for installing Windows, and you can get that from Microsofts website... (Will need another computer to make the media)


recarage the drive before doing anything, and sorta?


In answering you question, sorta... From there you can change the boot order making it possible so repair the Windows install


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You can swith off your computer,

Then power on again, hold on to the shift key and keep pressing the f8 key on the keyboard,

then on window 10 you will be 3 option,

continue to window 10;



please click on troubleshoot,

then read through to look for any option that has the safe-mode option,

then click on it,

usually the safe mode option is usually on the fourth option NO 4

press 4 on the keyboard then start up to safe mode

cortana don’t function in safe mode so, Go to the control panel option and type recovery,

then click on Open System Restore

click on next and wait till it restores.


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