A pale-blue blank screen presents between the Windows 7 "Welcome" screen and the appearance of the Windows Desktop during the boot/Windows start-up cycle. The pale blue screen can last up to 5 minutes, or longer, and almost always significantly delays the machine from being in a "ready" state.
Can anyone help me with this problem, please?
I have an HP Pavilion Laptop. It has developed a slow boot: specifically a "pale-blue" blank screen presents after the Windows 7 "Welcome" screen and before the appearance of the Windows Desktop. When the system was new the Welcome screen faded to black and the Windows Desktop appeared immediately.
I am not the only person to report this. A quick Google can find others' examples.
I am aware of KB2578159 which, I thought (its Hotfix), was the solution, as the FIRST time after applying the hotfix the problem went away completely. But that must have been a frustrating coincidence. All subsequent times, the problem is back. The time the pale-blue screen shows is variable, sometimes five minutes or more, sometimes just 30-seconds to 1 minute. Occasionally, it takes so long one reboots in desperation.
Here is a link to a video I made, showing the problem behavior. 
The first part of the boot is fine. The problem comes after login, when the "Welcome" screen fades to black and the Desktop fails to appear: instead a pale-blue screen (with the mouse pointer in the center, periodically showing activity) takes over the start-up for a good 2 minutes (can be more, or less) of delay. And even when the Desktop finally shows, it paints very slowly (as though something is STILL slowing the process).
I would appreciate any thoughts/solutions.
I have captured in Process Monitor the boot events but nothing has leapt out as the actual cause, as yet.
For Info: If I use MSCONFIG to boot with only "vital services" then no such problem. The "Welcome" screen fades to black and is immediately replaced with a fully-painted Desktop & icons.