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Dual-booting Windows 7 and Windows XP -- why does Windows 7 boot time differ?

Fresh3 days ago
Mar 15, 2026935 views
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Problem

I've noticed some weird behavior when dual-booting Windows 7 and Windows XP: As long as I'm rebooting from Windows 7, everything is normal. However, if I boot into Windows XP and then boot back from XP into Windows 7, my boot process differs slightly: The boot stage is slower (i.e. the stage with t…

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Fix for: Dual-booting Windows 7 and Windows XP -- why does Windows 7 boot time differ?

Low Risk

It seems like you are doing a warm reboot, while the dissimilarities between XP and 7 require a better initialization of the hardware adapters and registers, meaning a cold reboot. Both boot modes are defined as follows: Cold Boot (a.k.a. Cold Start…

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