Question

Windows 10 Pro won't detect hard drive, need drivers??

hey all,

I have an HP G42-154CA that I'm trying to get Windows 10 Pro installed on.

http://support.hp.com/ca-en/product...ies/4121912/model/4172564/document/c02105098/

I ran into an issue with the installation disc not detecting the hard drive (ie, no hard drive is listed when the screen appears to select the hard drive to install Windows on).

I've tried various drivers (latest from HP and Intel website, OEM OS installation discs etc) with no luck.. at the very least, the Windows 7 driver from HP's website for that laptop should work for installing Windows 7- same results, does not detect hard drive.

At this point I'm wondering if maybe it's a BIOS setting that's causing this? I don't recall changing anything in the BIOS when I last installed Windows (which was v8), but it was awhile ago, so can't be certain.

Anyone know what's causing this?

Any help is appreciated, thanks!

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Answer
The BIOS is the first place to look. If BIOS doesn't see..

..the drive, there's no way any software will either.
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Good luck.

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Windows 10 Pro won't detect hard drive, need drivers??

i'll check the BIOS to confirm, but i'm almost certain that's fine; i was using the laptop with Windows 8 up until a few days ago, then i wiped/formatted the drive with parted magic (which is also an indication that the BIOS is detecting the drive) and have made no changes to the hardware..

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So you wiped/formatted?

Next time, just wipe.

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Not sure i understand what you mean.. i low-level formatted

Not sure i understand what you mean.. i low-level formatted the hard drive- ie, wiped.

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LLF may not be formatting.

If you want to really get down to it, why would we LLF after a wipe? Does not make sense. Plus way back in SCSI days could push some drives into non-operational states.

I've been able to trip up the Windows installer by partitioning and formatting a drive prior to install so I share this as needed.

I've only been at this since pre-DOS so LLF, wipe, format and such are 3 different procedures. Rather than go over each one again, try starting with a blank, no partition HDD that the BIOS can see.

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LLF may not be formatting.

the hard drive is blank- no data/partitions.

regardless of what's done with the drive, this shouldn't impact the ability of the Windows installation disc to detect the hardware- if the disk is blank, it would show "unallocated", other wise it would show whatever partitions are currently on the disk.

so, i have a blank hard drive that the OS disc can't see- what's more confusing, is that i did install Windows 8 on the same hardware (no changes since) and don't recall having to make any changes in BIOS or load drivers to get the OS disc to detect the hard drive.. weird.

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regardless of what's done with the drive, this shouldn't

"regardless of what's done with the drive, this shouldn't impact the ability of the Windows installation disc to detect the hardware- if the disk is blank, it would show "unallocated", other wise it would show whatever partitions are currently on the disk."

In a perfect world. As I've seen this happen over and over I use a very strict prep procedure. There are folk that want what you wrote to be true but hey, it's Microsoft. You can fight it or figure out what works.

And no, unless the drives are on some RAID controller it just works fine without drivers here.

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Answer
If I missed the details, I am sorry.

What are you try to do, upgrade to win10 or a clean install. Sounds like a clean install. yesterday I have learned a few thing about windows and it's disc management. But tell us what you want to do first.

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Figured it out

Discovered that the disk wipe method used in parted magic makes a difference.

You can do secure (just writes 0's to the drive) or enhanced wipe (writes predetermined patters to the drive set by manufacturer), I first tried enhanced, then tried again with secure- voila! Didn't realize that Windows has an issue with different wipe methods.

And I did a clean instal, not an upgrade.

Thanks for the help!

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enhanced also fills the MBR space

with the random data and as you discovered, that can trick windows at times. In such case, either your recovery approach, or using a Linux disc with GParted or KParted will fix it.

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