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Topic: EZLDR is missing error, Unable to boot from USB< Next Oldest | Next Newest >
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PostIcon Posted on: Mar. 03 2015,06:44  Skip to the next post in this topic. Ignore posts   QUOTE

Hello guys. I got stucked at the finish process, the bootable usb.
I finished my project wich is like almost 8gb iso and i tried to make a bootable usb on a 16gb usb flash with the easyboot option inside, both write and express write, but after when i bot into bios says that "EZLDR is missing", but that file is inside.
Any help please ? Thanks.
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PostIcon Posted on: Mar. 03 2015,07:27 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

@Zuzuitu

Quote: "when i bot into bios says that "EZLDR is missing"

Hmmmm... Strange behaviour I must say ???


Please make sure you in EasyBoot press the 'Make ISO' button before pressing 'Burn'

However I notice quote: "is like almost 8gb"
Hmmm I have my doubts this can work correctly ???
Please try to keep the final ISO less than 4 GB (I prefer even less than 2 GB) in size when creating and 'Burn' to DVD or USB drive.

A trick I use if 'Burn to USB is this example:

Let's say I want a 'fully loaded' Win8.1 to be a part of my EasyBoot build
I now have a problem as this files (win-8.1) occupies 4.5 GB and the rest of the build is already 2.5 GB which makes the total size to 7GB
Creating such large ISO creates problems. How to solve it?
This is what I did:

1. Created my build as usual (including menu entry to launch setup of win8.1)

2. I have the rest of my build inside folder disk1 but not the files related to win8.1

3. Create ISO (now less than 2.5 GB) and finally burn to USB drive

4. Manually copied all files and folders related to win8.1 to the root of USB drive

5. Voila! :laugh:  Solved the issue avoiding creating that 'super-sized' ISO that I know creates problems

So test solution removing files or ISO's that you later manually can copy over to the USB drive.
Tip! If having ISO's like MsDart60/65/70 or similar ISO's built from source of an NT6-systems, you can have this ISO's directly in folder 'disk1' (which is the same as the root on the USB drive) but use menu command:  run /msdart60 (compare with the standard menu command if having iso in folder ezboot:  run msdart60 is then used)
You can after 'Burn' to USB drive manually copy ISO's to the root of USB drive

If still not working - reinstall EasyBoot overwriting existing EasyBoot 'core-files'
Note: this doesn't affect your build or files that already exist in folder 'disk1/ezboot' folder :cool:
Only the 'core'-files relate to EasyBoot is refreshed.

balder


Edited by balder on Mar. 03 2015,07:29

--------------
Download complete set of scripts including help file HERE
Note: Script collection updated 11 may 2017. Scripts mainly support EasyBoot_6.5 or later
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PostIcon Posted on: Mar. 03 2015,17:39 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

I was thinking on this method but if it's 2,5gb, easyboot will format it in fat32 right ? How can i then copy my stuffs wich outside iso are almost 16gb (my large one file is 6gb and others are couple mb are some gigs)?! I need the usb to be ntfs right ?
Gonna try now but i don't think will work. Thank you for your time, regards.
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PostIcon Posted on: Mar. 04 2015,03:05 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

@Zuzuitu

Quote: "I need the usb to be ntfs right"

Yes you are right - FAT32 has a 4 GB file size limit so you are bound to use NTFS :O

Some info:

1. EasyBoot use FAT32 if USB drive is larger than 500 MB (which most likely always is the case nowadays). If USB drive is less than 1 GB (500 MB) Easyboot switch to FAT16. But in your case it will be FAT32 always which makes it impossible to put any file larger than 4 GB to the USB drive!

2. EasyBoot must use FAT (FAT16/FAT32) to launch its 'ezldr' file. EasyBoot can not launch this file at present time when run from NTFS. You are stuck to use FAT32 if using the method EasyBoot use to 'Burn' to USB drive.

3. Alternative method is to use my script 'easyboot-USB_v2.script' (or similar method) by simply launch ISO that EasyBoot create. There are some limits to this method and the worst limit is to launch ISO from a computer (Motherbord) that use UEFI boot sequence - compare with the 'old' BIOS with its MasterBootRecord (MBR is not used to motherboards that only use UEFI boot sequence). Luckily most motherboards can alternate between UEFI and BIOS (at least so far). However my guess is that this is a matter of time before BIOS (MBR-sequence) completely disappear and you are to 100% bound to only use UEFI boot sequence!
BUT we are not there yet - we can for sure still use BIOS and MBR-coded hard disk units.  

So what is the method in you case to solve your issue?
Test this:

1. Create your Menu in EasyBoot as usual

Tip! ISO's that can be launched directly using menu command:  run ***.iso   can still be put inside folder EZBOOT as usual.
But you are recommended to use method mentioned in post nr;2 and I quote: "If having ISO's like MsDart60/65/70 or similar ISO's built from source of an NT6-systems, you can have this ISO's directly in folder 'disk1' (which is the same as the root on the USB drive) but use menu command:  run /msdart60 (compare with the standard menu command if having iso in folder ezboot:  run msdart60 is then used)
You can after 'Burn' to USB drive manually copy ISO's to the root of USB drive"

2. When finished with Menu in Easyboot you create ISO as usual

3. Use my script 'easyboot-USB_v2.script' and in script tick the box; 'Force format to NTFS' and when script asking you chose to use ISO and finally point to ISO created by EasyBoot and then manually copy all your files to the USB drive

Note1: There are some problems using my script (script use command lines launched by batch files). To make this work smooth in OP-system such as Vista\win7\win8 you must set UAC (User-Account-Control) to lowest setting while using script, You also must only have only one USB drive (the target for the script) connected to computer. But the USB drive can have several partitions and script still can find the first partition (which is the target to make USB drive bootable).
Note2. If run Win8 you must do more to set UAC to lowest level read HERE

But this temporarily will make all metro apps stop working (which I love) I hate Win8 and currently run Win7_sp1

-------------------------------
Hope I pointed you to the right direction
Files these days are so big and creates new problems - but we are all working to find some solutions, hopefully you at least can solve this issue of yours

regards balder


--------------
Download complete set of scripts including help file HERE
Note: Script collection updated 11 may 2017. Scripts mainly support EasyBoot_6.5 or later
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PostIcon Posted on: Mar. 04 2015,19:09 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

That did the trick, it boots. The problem is that the rest of my iso's run, but on the win7 and 8.1 nothing does, it freezes. All my iso's are in disk1 folder with run /test.iso (also tried run /test)
Any fix ? Thanks


Edited by Zuzuitu on Mar. 04 2015,19:10
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PostIcon Posted on: Mar. 05 2015,02:28 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

@Zuzuitu

Quote: "That did the trick, it boots"

Great, so far so good :)
The trick here is to keep ISO created by EasyBoot as small as possible - only having menu commands and the rest of EasyBoot files inside ISO and the rest of files later copied to the root of USB drive :cool:  
---------------------------
Quote: "but on the win7 and 8.1 nothing does, it freezes"

I'm unsure what you mean here... ???

Scenario A: If these ISO's (win7/win8) are 'repair' ISO's (msdart60 etcetera), they for sure can easily be launched using menu command:  run/msardt60.iso  (having ISO's on the 'root' of USB drive)

Scenario B: If this ISO's are meant to run as 'setup' of Win7\8 it won't work - you cannot run setup of Win7\8 from ISO this way in EasyBoot.
You must extract Win7 OR Win8 files and folders to the root of the USB drive, which limit you to have only ONE system (Win7 OR Win8) on the same partition.

If using a USB hard disk unit you can have up to 4 partitions (more versatile than USB stick\thumb drive).

My question is hereby this; What ISO's are we dealing with here ???

------------------
regards balder


Edited by balder on Mar. 05 2015,02:32

--------------
Download complete set of scripts including help file HERE
Note: Script collection updated 11 may 2017. Scripts mainly support EasyBoot_6.5 or later
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PostIcon Posted on: Mar. 05 2015,04:36 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

Yes, both are setups of windows.. When i select those two blocks my bios and stays like that.
Ok, only one partition, got it. Let's make it work with one setup and then i will make more partitions for the others windows setup.
You write that i must extract those folders and files from the iso of win7/8.1 Ok, but then, how i will make them work in easyboot ? How the commands will be ? Also, the others iso's i will have inside easybot, will then work also ?
Thank you for your time, regards. Alex
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PostIcon Posted on: Mar. 05 2015,07:40 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

@Zuzuitu

Quote: "How the commands will be"

Here is solution to launch setup of NT6-systems (Vista\Win7\Win8\Server-2008) from EasyBoot menu:

1. Download my script-collection (if you not already have done so)

2. Copy 'grub-kicker-image' setupntwin7.img and setupwin8.img from folder balder/USB_Resources to folder EZBOOT

3. Use menu command in EasyBoot:  run setupntwin7.img and run setupwin8.img to launch setup of these two different windows system you have copied to your different partitions (it doesn't matter on which partition you have copied the files of Win7 respectively Win8).

4. Create ISO as usual in EasyBoot when you are finished with the menu layout

5. Use my script 'easyboot-USB_v2.script' (Important! Tick 'Force format to NTFS in script) to make USB drive bootable and getting the ISO created by EasyBoot to the USB drive.

6. Copy (or extract from ISO) all files and folders related to Win7 to one of the partitions and copy (or extract from ISO) all files and folders related to Win8 to another different partition
Note: you can easily have 4 partitions if using USB hard drive

7. Rename 'bootmgr' that belongs to your Windows7 files on USB hard disk to the name: setupwin7

8. Rename 'bootmgr' that belongs to your Windows8 files on USB hard disk to the name: setupwin8

----------------
Quote: " Also, the others iso's i will have inside easybot, will then work also"

First of all: "There are no such things as a free lunch'" What I mean is that not all ISO's can be launched with 'run ***.iso'.
Some ISO's needs 'special treatment' :O

Generally all ISO's that are WinPE and built from a NT6 source (NT6 is typically Vista\Win7\Win8\Server-2008).
So WinPE built from such source can always be launched with 'run ***.iso' (MsDart60/70 as example).
Also Acronis and Paragon ISO's mostly works okay and some Knoppix (Linix) ISO's as well (but not all  Linux ones)
ISO's like Bitdefender and kaspersky needs 'frugal solution' (poor mans solution) by simply extract some core components to the root of EasyBoot (same as to the root of USB drive=first partition)
During this process (frugal solution) we also delete files and folders that was extracted from ISO as these now isn't needed any more inside ISO file. This make also the modified ISO much less in size.

regards balder


--------------
Download complete set of scripts including help file HERE
Note: Script collection updated 11 may 2017. Scripts mainly support EasyBoot_6.5 or later
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PostIcon Posted on: Mar. 05 2015,18:04 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

wow..buddy, you lost me :)) if you want and have time and your kind..let's hope you are..i can upload my project somewhere and you can download it and make me a video tutorial from this project. I bet everyone will need it as everyone is looking on this kind of project.
So..what you think ? I really need this help as i lost lot of time to make this project... I can pay you something if you want..
Thanks in advance, Alex.
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PostIcon Posted on: Mar. 06 2015,02:53 Skip to the previous post in this topic.  Ignore posts   QUOTE

@Zuzuitu

Quote: "wow..buddy, you lost me"

Well as told when dealing with a lot of different OP-system and different ISO's
"There are no such things as a free lunch"  :p  

I suggest you start with only ONE component in your EasyBoot build.
Tell me what ISO(s) you are interested to have in your build and when solved these ones we go forward and solve next issue :cool:

Every time we manage to launch some ISO we then remove that ISO temporarily from the build (as we now know it works) to speed up testing and solutions to the total build.
What I mean is this; don't create the whole 'superbuild' at once, do it step by step :;):

The only thing you can do from the beginning is to create your  complete EasyBoot menu (including possible - if wanted) submenu(s) and backgrounds in place.
The total size of an such menu (including background pictures) is less than a couple of MB and ends up with a ISO less than a couple of MB - which are our goal.

You also must confirm you understand and can use my script 'easyboot-USB_v2.script' (we need to use this script to use NTFS to your USB drive) :O
-------------------------

Follow this:

1. Make sure you can run my script 'easyboot-USB_v2.script' (have you downloaded script-collection and also read the 'READ_ME.html' inside folder balder from download?)

2. Create final menu  in EasyBoot with possible submenu(s)  but without any files at this point (no ISO's or Win7/8 files and folders at this stage)
Attention! depending what ISO's or other 'odd' OP-system you integrate into the build you are recommended to tick 'Joliet' in EasyBoot when creating ISO  

3. Test and confirm that the basic ISO created by EasyBoot launch correctly and that menu shows up and seems to work correctly as well
Tip! In my script you also have a button to run a basic test if USB drive can launch ISO from EasyBoot and you hereby can get the menu up and run correctly.
Note: you can not test all kinds of OP-system but most ISO's can be tested this way - but as told - this test is mainly to check if the menu is up and run correctly

Come back with the first ISO to get a solution from me - step by step we solve this issues of yours (even it might be a 'bumpy road' I'm confident most of it will be solved) :;):
-------------------  

regards balder


--------------
Download complete set of scripts including help file HERE
Note: Script collection updated 11 may 2017. Scripts mainly support EasyBoot_6.5 or later
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