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I have a Dell Dimension 2400, and it used to have Windows XP on it. I hadn't used it for a while though, and I recently took it out of storage to use it for storing music. I bought a separate monitor for it (Dell E156FP), but I did not check its compatibility with Windows 7, so when I upgraded the desktop to Windows 7, the resolution on the monitor is not too good. I tried finding drivers for the monitor, but found nothing. Therefore I was trying to downgrade to Windows XP again, but the CD-ROM on the desktop does not function. I have been using virtual cd-rom drives up to now, but when I try installing Windows XP, it says I can't because I have a newer version of Windows already installed, which makes sense. I have tried following the directions to downgrade, but all of them require CD-ROM's to boot from, and I don't have one -- Essentially, whenever I open the Windows 7 setup file, I can't choose "Repair Computer", but only "Install Now". Help please?
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Answer accepted by question author
I appreciate the help from both of you. I managed to find a driver that works [the 845 G/GL on the Dell Driver Support Page], and just needed to run in XP Service Pack 2 compatibility mode. Regarding the process of reverting Windows 7 back to Windows XP, I guess the most challenging aspect was the fact that I don't have a working CD drive, and that I've been using a virtual CD-Rom program to mount my files. I should be good for now, however, and I appreciate your all's help.
Answer accepted by question author
According to Dell your Dimension 2400 has integrated Intel graphics. If you didn't install a separate video card, see this page for possible compatible drivers:
http://www.intel.com/p/en_US/support/detect/graphics
I read that if you have Windows 7, Microsoft has released downgrading rights that allows you to downgrade from Windows 7 to Windows XP. Here are the instructions that I found (there are also directions on Microsoft's Support page, but they are difficult to find)
If you upgraded the computer to Windows 7:
Reverting Windows 7 back to a previous Windows system:
http://support.microsoft.com/default.aspx/kb/971760
Preinstalled OEM Windows 7 Downgrade rights
The computer needs to have OEM Windows 7 Professional or Ultimate preinstalled, not Home Premium. Also, check with the OEM computer manufacturer and see if they offer "downgrade rights."
More info here:
http://oem.microsoft.com/script/contentpage.aspx?pageid=552836#windows7
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I read that if you have Windows 7, Microsoft has released downgrading rights that allows you to downgrade from Windows 7 to Windows XP. Here are the instructions that I found (there are also directions on Microsoft's Support page, but they are difficult to find): http://www.intowindows.com/how-to-downgrade-from-windows-7-to-xp-step-by-step/
And my computer monitor is currently at 640 X 480 60 Hz resolution, but it says the Optimum resolution is 1024 X 768 60 Hz. When the desktop had Windows XP, the resolution looked fine, but once I upgraded, all the icons are enlarged and blurry. I tried changing the screen properties, but it says the only display is a Generic PnP Monitor on Standard VGA Graphics Adapter, and will not let me change from 640 X 480. I also tried looking on Dell's website for an updated driver, but they only have E156FP drivers for Windows XP. Any help would be appreciated!
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