Microsoft Office Tutorials and References
In Depth Information
Modifying the Operating System Boot
Modifying the Operating System Boot
You can use several different tricks to shave a few more seconds off the boot
time. For example, you can reduce Timeout values and slim down the system to
get rid of all the extra features and services that you do not use or need. Check
out the following ways to do so.
Windows Boot Manager
If you have more than one operating system installed on your computer, you
have to deal with the Windows Boot Manager installed by Windows 8. By
default, the Windows Boot Manager gives you 30 seconds to select an
operating system before it reverts to the default operating system. The only way not
to wait 30 seconds is to select the operating system you want to use right away.
If you use one operating system the majority of the time, you will definitely
save time if you set that operating system as the default and lower the Timeout
value to 1 or 2 seconds. That way, you won’t have to select an operating system
every time you turn on your system or wait 30 seconds before your computer
actually starts to load the operating system.
TIP Before you make any changes to the Windows Boot Manager (WBM), it is a
good idea to back it up using the Boot Configuration Data Editor (bcdedit.exe) so
that you can easily revert to an earlier version should you have any problems. At
a command prompt run as the Administrator account, type bcdedit /export “C:\
Backup File” . This saves the WBM to a file that you can use to import using the
/import lag.
Lowering OS Timeout Values
If you have multiple operating systems installed on your computer and the
Windows Boot Manager is installed, the default selection timeout is often way
too high. It is much better to set a lower timeout so that if you do not make a
selection, it quickly reverts to the default OS, making your boot time much faster.
Changing the Timeout value is simple with the System Configuration utility.
Follow the steps here to use the System Configuration utility to lower the OS
Timeout value:
1. Open the Start screen, type msconig , and press Enter.
2. When the System Configuration utility loads, click the Boot tab.
3. Locate the Timeout box and replace 30 with a much lower value, as shown
in Figure 13-3.
 
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