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		I don't know what Ventoy is. You should use what we recommend on the Download page so as to minimize risk.
	
	
	
	
	
 
 
	
	
	
		
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		Where are you installing grub to? Are you dual booting? Please list your partition set up during install (clear photo is acceptable).
	
	
	
	
	
 
 
	
	
	
		
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		I can't help you if you don't provide answers to what I have asked for. No need for logs.
	
	
	
	
	
 
 
	
	
	
		
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		[member=37442]HemanthJabalpuri[/member] 
I 2nd [member=2]Jerry[/member] - A screenshot/pic of your partition info would help. 
I assume you using a 64bit UEFI supported system (5.x is UEFI/64bit only) 4.x can use BIOS or UEFI 64bit... 
Being connected to the internet (WiFi or hardwire) is preferred (I've had similar if not). 
You may need to a "Something Else" to ensure disks are created according (perhaps missing a /boot)??? Its a thought.... 
	
	
	
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