I'm installing Windows 7 Ultimate 64bit from an MSDN download onto a new Dell Studio 1558 laptop.
Right after clicking "Install Now" I get the following message in a window titled Load Driver:

A required CD/DVD drive device driver is missing. If you have a driver floppy disk, CD, DVD, or USB flash drive, please insert it now.

I went to Dell support and tried to download a driver, but all I found was a firmware upgrade executable for DOS and for Windows.

How can I overcome this problem? I'm not even sure which driver model I have inside the laptop...

  • I highly doubt your Dell Studio has a DVD drive that needs a special driver. I would try to confirm that your copy of Windows 7 was downloaded without error and then try to install off a Flash Drive if you have one with at least 4GB. Then follow a guide like this: intowindows.com/… – wag2639 Oct 28 '10 at 6:19
  • I had this happen on an old (circa 2003) Tyan dual Xeon board and ended up just having to install from USB key. Never could figure the damned thing out. :/ – Shinrai Oct 28 '10 at 15:00
  • @wag2639 - you were right - indeed it was a download error. Thanks for the guide, it helped me anyway :) – Jonathan Oct 29 '10 at 6:53

I have seen this before, most of the time it is a corrupt download or corrupt burn job, retry the download and burn it at a slow speed.

If this does not work the suggestion by Shinrai will get it installed. (Install from USB drive)

  • It was indeed a corrupt download. A sha1 check confirmed it. – Jonathan Oct 29 '10 at 6:51

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