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Windows 7: "A required CD/DVD drive device driver is missing"

29 Dec 2009   #41

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You can get your SATA drivers from:

ASRock > Products > Motherboard > N68PV-GS > Download

You can add those files to USB stick after you make your Win7 USB stick.

USB Windows 7 Installation Key Drive - Create

I would use a 8g USB stick.

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"A required CD/DVD drive device driver is missing"-capture-002.jpg   "A required CD/DVD drive device driver is missing"-capture001.jpg  
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"A required CD/DVD drive device driver is missing"-capture003.jpg 
My System SpecsSystem Spec
29 Dec 2009   #42

Not ahci

Since the OP has not indicated if he/she is installing 7 to a redundant storage system may I suggest that the bios settings be changed for the DVD/HDD to SATA and the mass storage setting be set to IDE, when we wre testing the pre-release we saw a lot of install failures due to AHCI settings. Also using a pendrive you would have to exract the iso as slowly as possible and the pendrive had to be configured as bootable before you could extract.
I have my bios configured in these images.

Regards from Windows 7 support forum,

Attached Thumbnails
"A required CD/DVD drive device driver is missing"-bios1.jpg   "A required CD/DVD drive device driver is missing"-bios2.jpg  
My System SpecsSystem Spec
29 Dec 2009   #43


Quote   Quote: Originally Posted by heis109 View Post
nothings working...and i dont have a 4gb flash drive, only a 2. i suppose i could go buy one, but at this point i think im going to just forget about 7 for awhile...i dunno.

the last thing i tried was to put all the drivers from my ASRock all in 1 disk that came with my computer on the flash stick and try to find a driver it likes...there were a lot, and i might not have checked them all, but nothing worked. i dont even know what driver its actually wanting here. is it REALLY a CD/DVD driver? or is it a mobo driver? is it SATA controller? or does it have to do with the fact that i have 32 bit windows installed on a 64 bit system and it wants all the drivers it thinks my system has?

could reformat, install win xp 64 and eliminate my problem? or should i just buy vista and try to upgrade? because this is really seeming like a lost cause
The driver you want is the SATA controller driver. There is no other driver for CD/DVD drive, though it needs to have firmware version checked.

Try clearing your CMOS: Clear CMOS - 3 Ways to Clear the CMOS - Reset BIOS

Why would you buy Vista to try to Upgrade to Win7? You can legally install Win7 Upgrade version to a blank formatted drive with an easy workaround, since you have qualifying XP on hand. Even if you thought Win7 would run from Vista, you could install Vista for 30 days for that purpose without needing to buy it.

That said, if none of these other suggestions you've gotten help then go ahead and reinstall XP as Win7 might install from there to a second partition. Suggest you partition using free Partition Wizard CD, making an NTFS partition in the first space for Win7, then formatting the second partition from XP CD before installing XP there.
My System SpecsSystem Spec

30 Dec 2009   #44

Currently XP - Trying to UPG to 7

@Adrian - I am not familiar with the terminology "redundant storage system". My BIOS were already set to SATA, and look very much like the imgs you put on the end of your post. The difference was that I had my HDD in the 1st SATA slot, and my CD/DVD drive in the 3rd. I have since moved the SATA cable to the second slot to look like your picture. I looked, and cannot find any mass storage settings in my BIOS, but they are probably already set to IDE. Nothing in my BIOS has ever been set to AHCI except for testing purposes for this problem.

After switching the cables and installing some LG DVD-RAM firmware just in case - and resetting my BIOS as Greg asked, I tried again. Same results, except this time the "setup starting" screen hung for over an hour.

@Greg - I reset my BIOS, as you surely read. And no, nothing has worked. I was only throwing out ideas with the "install vista?", because I don't know why this isn't working. I'm at wits end here Greg. I'd have never bought this product if I'd have had any inkling as to how incredibly difficult it would be to install. Now I'm out 30 dollars (thank GOD i didnt buy it retail), and my last option is to format my drive and try to create multiple partitions? It's too much to do. It's like going to a restaurant and asking the customers to serve themselves and cook the food. "Here, we gave you a plate. Dinner should work!"

I'll wait and watch for a solution to this, should someone pinpoint the problem that apparently thousands are still having. Otherwise, I'm throwing in the towel. Maybe by the time Mass Effect 2 comes out at the end of next month I'll be able to use DirectX10...sigh.


PS - I genuinely thank each person who has tried to help here, especially Greg. You guys are doing good stuff! Have a good day and hopefully I can report some sucess with 7 somewhere down the road. Rest assured, if I ever find out why this is happening I'll post here immediately.
My System SpecsSystem Spec
30 Dec 2009   #45


I feel your frustration, but I never give up. I become so familar with Google results for my error that I know them by rote. Sometimes I get the answer polling the Geek Squad on speed dial, while I am posting in various forums.

Did you know that your purchase price includes tech support? Call the number on the product and they should have the fixes catalogued for your error.

If MS provides the the tech support, they will elevate to a research team if they cannot get a fix. I have gotten far more than the product price in tech support from MS in the past.

I'm not sure if you tried changing out your DVD drive since the error aims at that, but I would even borrow a friend's, or buy one to return the next day.

My last resort when I can't get booted installer to work is to move HD to another p.c. with same # of cores, install but do not activate, then move back to target machine. It switches out all the drivers at startup, requesting restarts, but so far has worked with no performance hit.
My System SpecsSystem Spec
11 Feb 2010   #46

windows 7 ent

I had the same issue on my DELL D530 laptop and much googling and binging I found a couple of forums talking about corrupt media and checking the hash, etc, etc.
All I did was re-write the SAME ISO I have to DVD, but instead I used the drive's slowest speed, 3x in my case and problem was solved.

Making BIOS changes, etc did not help me one tiny bit!
My System SpecsSystem Spec
11 Feb 2010   #47


DVD burn and ISO integrity is the first thing to check. ImgBurn can also Verify the ISO against DVD; make sure it says "Bootable" in text at left after loading ISO, then verify against DVD.

ImgBurn at 4x speed with Verify never fails.
My System SpecsSystem Spec
23 Mar 2010   #48


What worked for me was to change the boot order.
Make what ever device (DVD/USB) you are installing Win7 from the First Boot Device.
You will need to set it back to normal after the 1st phase install is complete (at the first reboot) to continue.

Good Luck
My System SpecsSystem Spec

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