Downgrading Windows Vista to Windows XP?

I’ve run into a bit of an unexpected headache! A buddy of mine picked up this old laptop—it's running a dual-core 1.8 GHz processor, 1 GB of RAM, a 160 GB HDD, and some basic dedicated graphics... basically, nothing fancy. I have a hunch it might be a SATA drive issue, but I haven't had the chance to confirm that yet.
Basically, I loaded up a Windows XP SP2 disc, and after all those initial files load and right when the installation menu is supposed to pop up, I get hit with a message saying no hard drives were found. The only option it gives me is F3 to quit. It’s strange because when I tried using an actual Windows Vista disc to format the drives, everything worked perfectly fine—even a full reinstall of Vista went smoothly. However, while I was looking for drivers during that process, I noticed a tiny little boot partition (X:) that I hadn't seen before, showing about 33 MB of capacity with 2 MB used. I would really appreciate some expert advice if anyone has dealt with this before; I’m not interested in running Vista, I just want to get XP working properly!
I’ve been scouring the web, but honestly, the advice is all over the place. Some folks claim you don't need any SATA drivers at all, others say it's some kind of security feature that needs to be bypassed, and then there are those who insist you have to download specific SATA drivers and integrate them directly into the XP installation (they even have guides on how to burn a custom CD that includes them). Thanks in advance!

Try partitioning using a Linux LiveCD...
As far as I know, Windows Vista doesn't just create a standard partition—it also builds a recovery partition. You’ll need to wipe that out too if you actually want to be rid of Vista once and for all.

That said, even Windows XP should be able to recognize the drives...🙂

If you're going the Linux route, give SystemRescue or Parted Magic a shot...

I’ve been thinking about booting into Linux—I currently have Fedora 6 running—so I might just try using it to wipe out that boot (x: ) partition. Honestly, I suspect that hidden partition is what's causing all these headaches for Windows XP (x: ). My big question, though, is this: does Windows XP recognize SATA drives right out of the box?? I’m trying to figure out if it’s even worth my time messing around with integrating SATA drivers into the installation media, or if it already handles them natively. I’d like to think it should work fine, but you know how it goes—you hear so many conflicting stories...

If those SATA drivers are giving you such a massive headache, just head straight to the manufacturer's website and grab the latest ones yourself.

If you still have the driver CD that came with your motherboard, you should be able to find the necessary HDD driver there. You'll need to burn it onto a floppy disk. Once the installation process kicks in, you'll have to hit the F6 key and then insert the floppy. After a brief moment, the system should give you the option to press the S key, and from there, you can just follow the on-screen prompts.

lonefalcon13 said:I was thinking about using Linux—I've got Fedora 6 handy—to just wipe that boot partition (the X: drive), since I suspect that hidden partition is what's messing with my Windows XP setup. My main question is: does Windows XP recognize SATA drives right out of the box? I'm trying to figure out if it's worth the headache of manually integrating SATA drivers into the installation media, or if it should just work—though I've heard mixed things about it...

That's actually your service partition—it's loaded with hardware testing tools and stuff like that...

You're definitely going to need those SATA drivers.

Since you don't have a floppy drive or an OEM version of Windows XP, maybe try using the BIOS to emulate a USB drive as a floppy.

Alternatively, you could just build your own Windows XP CD with the SATA drivers already integrated—using a tool like nLite.

redheron12 said:that’s just the service partition—it's packed with hardware testing tools and stuff like that...

You're going to need those SATA drivers first.

Since you don't have a floppy drive—and since you don't have an OEM Windows XP disc handy—try going into the BIOS and emulating a USB device as a floppy disk.

Otherwise, your best bet is to just burn your own Windows XP CD with the SATA drivers integrated using a tool like nLite.

There's no floppy drive on this laptop, and it looks like I'll have to build a custom CD with the drivers included—even though I have no clue which ones to download! My buddy isn't around to help, and he isn't exactly a tech wizard, so I can't even get the specific model info from him... But, hopefully, the specific driver version doesn't matter too much, and I can just whip up a new Windows XP CD using nLite.

I ran into a nearly identical headache once, and you wouldn't believe the punchline. It turns out there wasn't even a SATA cable connecting the hard drive to the motherboard in the first place. The whole thing was bought from Best Buy.

I used nLite to whip up a custom Windows XP installation disc—packed with extra drivers (mostly specifically for the IL90_91)—and I finally managed to push the installer further than before! It actually got past the initial hump and showed me the menu options—Enter, R, or F3. At first, when I hit Enter, it just looped back to F3, but then I remembered reading some advice online about tweaking the BIOS settings. I went in and disabled AHCI (or whatever the setting was called), and—presto!—the installation went through perfectly. Honestly, I think you really need to do both steps to make it work smoothly...
I have to say, I’m pretty blown away by how lackluster the support from Forcebook has been regarding their drivers. They handed over this driver CD that feels totally half-baked—almost like someone was just throwing things at it to see what stuck. I can't get the sound card or the modem to work for the life of me, even though everything else seems fine. I'll just have to hunt down the right IL90_91 drivers somewhere else on the web...
Thanks, everyone!