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How to speed up boot process under Windows Vista or Windows 7

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install this extension:

Open Command Prompt Shell Extension


go to a folder like C:\temp, make a righclick select "Open elevated Command Prompt", run the xbootmgr command. After the reboots, go the temp folder again, select "Open elevated Command Prompt" again und run the XML command again.

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Thank You MagicAndre1981.

Even after using the Open Elevated Command it didn't work, but i copied the bootPrep_BASE+CSWITCH_1 files to another partition on the drive. It worked.





If i am right it reads 129secs and 90secs respectively.

Are these timings good.

It runs on Windows 7 Ultimate x64 with 4GB RAM and a processor clock speed of 3.10GHz

Edited by TheWindowMan
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After installing full SP1 dvd mine became worse after running this.

can you explain this? Have you compared the timings from the XML ?

AMD Athlon 64 X2 3.10 GHZ

Asus M3N78-EM motherboard.

2x2GB DDR2


Nvidia GeForce 9800gt 1024mb

Windows 7 Ultimate x64 (with all updates)

it is still too long. Make a full trace:

zip the boot_BASE+CSWITCH+DRIVERS+POWER_1.etl and share the zip to me.

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Running SP1 I improved this by running command which improves reboot time. goes through same things like 6 or 7 reboots

xbootmgr -trace rebootCycle -prepSystem -verboseReadyBoot

xbootmgr -trace boot never improved my boot time much only reboot time (Before SP1)

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Might want to paste this in first post. I think these are updated versions

Windows SDK 7.1 (contains WPT 4.7)

actually installs Windows Performance Analyzer 4.8.7701

A small file will let you download the Windows Performance Tool Kit and not the whole SDK

For this release, the Windows SDK is available thru a web setup (this page) that enables you to selectively download and install individual SDK components or a via an ISO image file so that you can burn your own DVD.

I ran this and it shows it improved my time. I don't understand how when I reboot with my stopwatch it shows 65 seconds to reboot and boot is about same

It was same time before 65 seconds

bootPrep_BASE+CSWITCH_1.etl I see 180

boot_BASE+CSWITCH_1.etl I see 28

EDIT: This is SP1 full install


Edited by maxXPsoft
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I know that there is a new version and I use it. I keeped this version here, because there is no alternative download link. The VS2010 Kit is still not updated. Some users have issues with the Web installer and they don't want to or can't download the new SDK ISO.

Both tools use the Windows Kernel functions, so I can't understand why the new version work better.

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Can I ask 4 something..

Im using tune up utilities and use it for mantainance

It is okey to use it since i never use its defragment software?

im only using registry cleaner n register defragment soft only..

thank u in advance..

I also have another prob...

im just make 6x boot to my father's laptop

it using vista 32..


it seem okay throughout the booting process.

but during the last boot.(6 of 6)'

like always the program prompt for allowing the tools..

then i click ok..

then a window wrote 'saving prefetcher' appear..

after that a window wrote 'preparing system' appear ..

even i wait so long it still the same..

when i restart or shut down, the window repeat the booting 6 of 6..

donno why..

this is da screenshot..


can help me? :wacko:


after waiting for hours...

it prompt that failed to defrag even try it for 5 times.,.

it seems it hav prob with kernel?

donno why..

Edited by eki91
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do u mean the defrag tools that come up with window?i dont delete or rename it..

sry 4 asking..how to run it from cmd?

Another thing..

in ur 1st post..

If you are a Windows Vista User:

Make sure that EnablePrefetcher registry setting is not disabled and the ReadyBoost service is running and set to start automatically.

how to do it?

i can't enable it anyway..

btw, the superfetch is enable..(this laptop using vista 32)

Edited by eki91
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