Trying to get new (to me) Z420 fresh copy of Windows 7 installed but no experience w/UEFI?? Halps!

jeremyhelling

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I'll try to be as descriptive as possible here but feel free to ask anything that I may miss to include as I'm trying not to be too long-winded but I feel it's going to get that way quickly with this topic.

History, I'm not a n00b to installing OS's and other software & hardware. I don't consider myself a pro but I get by and understand most technical terms explained to me to hopefully save you some keystrokes.

I recently acquired an HP Z420 workstation and I'm pretty impressed with the hardware and quality for what I paid. The description stated that a Windows 7 key was included but when I attempt to d/l a copy of the OS it says that that key is retail and I need to contact HP directly. Not a huge deal because I've got a Win7 64bit disk here that I've been using for years to install on my machines whenever I need a fresh start for whatever reason. I was hoping to get the latest greatest wizz bang to save me some update time after install. Whatevs. No biggie I suppose.

One of the features this Z420 includes is something I'd like to take advantage of but have no experience with: UEFI. From what I understand I can use this 64bit firmware interface to do things like use RAID 1 for my two storage drives to email error detection in RST-e on the fly. Do I even need to worry about installing a UEFI version of the OS to do this or am I good to just throw Windows 7 Pro on this thing and going about the install like I would any other machine?

Basically, I have a Z420 with a new 240gb SSD that I want to run as my primary/OS drive and two 5tb HDDs that I want to use in a RAID 1 via the ROM. I have a Windows 7 CD but the Z420 won't recognize the drive to boot from. So I need to make a bootable USB drive to boot from but do I want to use this disk or get the image from M$ directly to use the UEFI? I also see that some are reporting issues with UEFI and revert to Legacy BIOS anyway.

If anyone can help me out with the questions I have regarding what exactly UEFI is (I get that it's a 64bit interface between the OS and the Bios but.... so?) and how to get this machine up and running I would greatly appreciate it.

Also, if I've posted this in the wrong subforum feel free to move it to the proper location but I think this was the best place for it since it's about Windows 7 but I get that UEFI could be the other OS's too so.... argh!

Thanks for the help & time!
 
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my last motherboard was when UEFI was just getting around. it offered an option through the BIOS to install Windows in UEFI mode or legacy mode. had to be configured before attempting the OS install. choosing legacy mode option on that ASUS board still allowed me to access UEFI BIOS.

latest board i'm using had no such option but still uses a UEFI BIOS.

not sure what the difference is using the specific UEFI Windows installation option or what extra features it offered but would also like to know.
 

riccardi50

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UEFI is just basically BIOS 2.0. UEFI allows stuff like being able to use your mouse in the "bios" and have graphics and such as well as performance upgrades to how the mobo works. If you have ever milled around in an older computers BIOS then a mobo that uses UEFI will be nothing new to you. Windows shouldn't even notice or ask you about UEFI or BIOS. Just pick the harddrive to install windows to and poof, done.
 

riccardi50

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Can't help then as I've never seen that option.
 

jeremyhelling

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Like I said, I think I understand what UEFI is but I guess I didn't form my question very well. I need to install Windows 7 and my MoBo is capable of UEFI.... is there a special version of the OS that I need to jive with UEFI or do I just install Windows 7 pro and continue as usual? There's a secondary issue where this particular machine (HP Z420) doesn't recognize the optic drive from the BIOS so I can't boot from my Windows 7 bootable OS disc so that's creating a whole other issue where I think I need to create a bootable USB drive to boot from instead. I guess I just want to make sure that UEFI is just something in the firmware and doesn't affect the way I load an OS other than the (I think) unrelated issue of not being able to boot from a disc on this Z420.
 

riccardi50

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No, you do not need a special copy of windows to install on a computer that uses UEFI instead of BIOS. Just install Windows 7 pro and continue as usual.

As far as your second issue with your optical drive, just is just weird that the mobo doesn't see it. Have you tried plugging in the SATA cable into a different slot? Or tried switching the plug that gives the optical drive power? If the optical drive has power and is plugged into the SATA cable slot on the mobo, this it should read regardless if it is a BIOS or UEFI mobo. Unless the optical drive is damage or not working.

Other thoughts, before you begin, I ALWAYS get the latest UEFI/BIOS update for any computer I am building as the first thing I do before I install the OS. Make sure you do that. Let me know if that answers your question.
 

jeremyhelling

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It didn't come with an optic drive of any type installed from the factory. I installed a new one I had laying around and all power & SATA connections are properly connected. Still doesn't even show up in the boot menu for options.

I found this piece of documentation on the Z420 from HP in a couple of places:

http://h20564.www2.hp.com/hpsc/doc/public/display?docId=c03465686

In the 2nd paragraph it says specifically: "Note that installing from an optical drive connected to the Intel C602 SCU controller is not supported."

I think I read somewhere about someone installing something for drivers or something but I didn't read too much into that as it didn't sound like they had much luck anyway. I've seen a few videos online about converting my Windows 7 disc into a bootable USB drive so as long as I'm clear that I can install a standard version of Windows 7 Pro and still use UEFI (or not) then I will probably just head down that path. I just didn't want to invest a bunch of time creating a bootable USB drive with an image that wasn't going to best utilize the hardware of this Z420.
 
if 7 is already installed just run this tool from MS. skip the reinstall and do the free upgrade now.
https://www.microsoft.com/en-us/software-download/windows10
 

riccardi50

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That sucks that your motherboard doesn't even support room for an optical drive. Any chance you have a bit more funds to just buy a new motherboard?

Regardless, you can install Windows 7 any way you want. Download, USB, or cd. The thing that matters most is the activation key that you have. So go ahead and install it via USB and your activation key on your disc will work to activate windows.
 
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