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Lenovo B50-45 Doesn't boot to reinstall?


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#1 mystic12

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Posted 22 January 2018 - 09:54 AM

Guys, been having some trouble with this machine. It only shows that it's booting sometimes and not everytime you press the power button. When it does allow me to go the Advanced options it doesn't reset, system restore, windows repair so I am trying to reinstall OS, anything I can try please?



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#2 JohnC_21

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Posted 22 January 2018 - 12:04 PM

Do a clean install following Brian's post. I would first check the HDD for any errors.

 

https://www.bleepingcomputer.com/forums/t/667627/doing-a-completely-clean-install-of-windows-10/


Edited by JohnC_21, 22 January 2018 - 12:04 PM.


#3 mystic12

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Posted 22 January 2018 - 12:25 PM

I had suspected HDD at the onset and have tried 3 HDD's but same issues. I can't get to run a CMD prompt yet as it hasn't gone to Advanced options trying a few times powering on this morning.



#4 JohnC_21

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Posted 22 January 2018 - 12:28 PM

You mean when booting a Windows 10 DVD or USB flash drive you cannot access the command prompt at the language screen by pressing Shift + F10?



#5 mystic12

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Posted 22 January 2018 - 12:32 PM

When the unit was powering on and showing a screen "sometimes" it would not boot from DVD/USB, I could never get to the boot menu, only Advanced Options but now it's not showing any screen again.



#6 JohnC_21

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Posted 22 January 2018 - 12:48 PM

So using a DVD or USB had problems booting, correct? The USB is one you created using Rufus? 

 

I would run a memory test on the computer using the boot disk of parted magic if you can get it to boot otherwise I think your dealing with a serious hardware problem.You may want to try swapping out memory sticks if they are easily accessible.



#7 mystic12

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Posted 22 January 2018 - 12:55 PM

So using a DVD or USB had problems booting, correct? The USB is one you created using Rufus? 

Yes to all. 



#8 mystic12

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Posted 22 January 2018 - 01:21 PM

I removed one ram stick and not it powered on with screen 4 times straight. With the Rufus USB drive win10 in, I tried pressing F1, F12 and Shift+F10, each time it shows BOOTMGR is missing. Press CTRL+Alt+Del to restart. So I am not getting the logo screen with the spinning circle to try to force it go to Advanced Screen.



#9 JohnC_21

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Posted 22 January 2018 - 01:43 PM

So by removing one stick the computer now powers on. Can you change the boot order in BIOS to USB first. The Boot Manager Missing indicates it's trying to boot from the hard drive. Make sure Fast or Quick Boot in BIOS is disabled if it has that setting.

 

According to the below page you need to press the Fn key + F12 to access the boot menu and Fn + F2 for BIOs on the B50.

 

https://www.dtonias.com/lenovo-b50-laptop-enter-bios-boot-menu/



#10 mystic12

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Posted 22 January 2018 - 02:18 PM

According to the below page you need to press the Fn key + F12 to access the boot menu and Fn + F2 for BIOs on the B50.

Yes that works [thx!] Let me load OS first then I will address the RAM issue, get back to you.



#11 mystic12

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Posted 22 January 2018 - 03:20 PM

Getting "your pc ran into problems and needs to restart" error during installation. Same deal with the other HDD' including one brand new SSD drive. I also switched around the ram sticks and slots.


Edited by mystic12, 22 January 2018 - 03:23 PM.


#12 JohnC_21

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Posted 22 January 2018 - 03:46 PM

I think you have serious hardware issues. You can just for the heck of it try installing linux and see that also tanks. Do Mint Cinnamon or Ubuntu.



#13 mystic12

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Posted 22 January 2018 - 03:53 PM

Now I can't get to either bios or boot menu



#14 JohnC_21

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Posted 22 January 2018 - 04:17 PM

I think that computer is toast.



#15 mystic12

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Posted 22 January 2018 - 04:31 PM

I had thought so a while back :) but decided to give it everything I could. Appreciate the help.


Edited by mystic12, 22 January 2018 - 04:31 PM.





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