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When I switched on my new Toshiba Satellite Pro it says 'the computer restarted unexpectedly or encountered an unexpected error. Windows installataion cannot proceed. To install windows click OK to restart computer then restart installation' Must have done this about 10 times and I keep getting the same. Any ideas please? Thank you

Posted by karly1 on


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This sounds like a corrupted XP installation or possibly a damaged hard-drive, either through a hardware failure
or through file system corruption.
(the last scenario is the most likely)

Windows uses write back caching to improve performance.
This means that data is not immediately written to disk, but
the writes are delayed until there is enough data to make
it worth while.

Also, the NTFS system uses transaction based data transfers,
which set a dirty flag, write the data, update the file indexing
structers (MFT) and then clear the dirty bit on a hard drive.

If a PC unexpectedly looses power, or if it is hard reset during
a disk access operation, the hard drive may be dirty or
corrupted. For this reason, reseting or powering down a PC
without going through a proper OS shut down is a very bad

The correct procedure is START ==> SHUTDOWN ==> options,
and let windows do its thing.

Having said that, the NTFS file system is very robust, with
transaction logging and indexing redundancy, such that
it usually recovers from such events, by automatically
scanning and repairing the hard drive's index structure
when the system is re-booted.

For some reason, this has not happened on your machine,
and for some reason, windows is trying to re-install itself.

This may be due to and automatic recovery partition and
utility built into your computer. Most modern laptops have
a small, hidden HD partition, on which they store a rescue
copy of the operating system, along with some diagnostic
and recovery utilities.

This recovery mode is often activated by a special button
(such as the IBM BLUE BUTTON) or a bypressing a special
key combination during start-up.

1) Try completely powering down and restarting your machine.
Wait a couple of minutes after power down, then physically
remove the battery.

2) Wait a couple more minutes, put back the battery and
restart the machine.

3) If this does not help, you have one of the following:

a) Damaged operating system / aborted re-installation
b) Damaged file system through improper shut down
c) Hard drive failure
d) Bad settings in the BIOS or within the BOOT.ini file
causing the system to boot from an incorrect hard drive
or partition. (but this is unlikely)

At this point you need to call tech support for model specific
instructions on operating system recovery.


Posted on Apr 24, 2008


Rajkumar Bordoloi

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Reinstall your operating system

Posted on Apr 24, 2008


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