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Windows 7: HP Pavillion w/asus motherboard PSLP-LE won't enable boot from usb

04 Jul 2015   #1
charliedominici

Windows 7 Ultimate SP1 64bit
 
 
HP Pavillion w/asus motherboard PSLP-LE won't enable boot from usb

I'm trying to boot from USB to install a windows 7 professional OS on reformatted and repartitioned HDD using a bootable USB made with Rufus. I usually do it this way because CD hash counts are wrong or cheap CD won't complete installation give an error message about a driver missing. I know this is a hash count/Cd quality issue because I use the same iso file to load rufus and it works when the bios recognizes the usb in the boot options. I can't get this bios to recognize the usb to include it in the boot option list either through setup or f10 boot menu options. Everything regarding usb (legacy etc) is enabled in bios.I was wondering if it is fixable in this HP Pavillion with this particular motherboard either through bios update or any other method available. It's a 2007 HP Pavillion desktop.
Thanks for reading and if someone knows the secret I'm all ears (fingers and eyes too).
CD


My System SpecsSystem Spec
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05 Jul 2015   #2
gregrocker

 

Does your mobo have UEFI? If so what are the settings choices for UEFI, EFI, CSM, Legacy BIOS, Secure Boot, etc? Is there a more recent UEFI (BIOS) firmware update?

Try disabling Secure Boot, Legacy BIOS, CSM then installing using Rufus formatted stick for UEFI to GPT disk. UEFI Bootable USB Flash Drive - Create in Windows

Boot the stick as UEFI device only. Delete all partitions to clear any MBR formatting. UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with - Windows 7 Forums
My System SpecsSystem Spec
05 Jul 2015   #3
charliedominici

Windows 7 Ultimate SP1 64bit
 
 

Quote   Quote: Originally Posted by gregrocker View Post
Does your mobo have UEFI? If so what are the settings choices for UEFI, EFI, CSM, Legacy BIOS, Secure Boot, etc? Is there a more recent UEFI (BIOS) firmware update?

Try disabling Secure Boot, Legacy BIOS, CSM then installing using Rufus formatted stick for UEFI to GPT disk. UEFI Bootable USB Flash Drive - Create in Windows

Boot the stick as UEFI device only. Delete all partitions to clear any MBR formatting. UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with - Windows 7 Forums
None of that.It's Legacy only. The choices are limited. I can change from ACHI to IDE or RAID but that won't help. I figure the only option is a bios update but I haven't found one yet.
My System SpecsSystem Spec
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05 Jul 2015   #4
gregrocker

 

My System SpecsSystem Spec
05 Jul 2015   #5
charliedominici

Windows 7 Ultimate SP1 64bit
 
 

Quote   Quote: Originally Posted by gregrocker View Post
Thanks Greg but it's really a moot point since I found a statement by HP that if your bios doesn't have the option to boot from usb then you won't be booting from USB. In other words I will have to try another source . I was thinking maybe boot from external drive. I'll try that. This MB is not even as semi-sophisticated as the nettle was. At least I could boot from usb but if there was a usb plugged in the start up would just halt until you pulled it out. Weird.
My System SpecsSystem Spec
05 Jul 2015   #6
gregrocker

 

Often the stick is formatted incorrectly. For example you would not use Rufus to format a non-UEFI stick. Use the tool prescribed in the clean reinstall tutorial. Until then it cannot be said with confidence that your BIOD will not boot flash stick
My System SpecsSystem Spec
05 Jul 2015   #7
gregrocker

 

Often the stick is formatted incorrectly. For example you would not use Rufus to format a non-UEFI stick. Use the tool prescribed in the clean reinstall tutorial. Until then it cannot be said with confidence that your BIOD will not boot flash stick

Why can't you use a DVD? If necessary can you borrow a USB DVD drive to try it?
My System SpecsSystem Spec
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 HP Pavillion w/asus motherboard PSLP-LE won't enable boot from usb




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