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The most common reason a computer
keeps rebooting over and over is
because the boot sector has been hijacked by
a virus that creates a continuous loop. It
keeps telling the system to go back to the
boot sector and reboot.
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A drive not formatted error
usually indicates the hard drive's partition
has been damaged, deleted or corrupted. It
can be caused by a virus, a hard reboot, a
power outage or surge, disc partitioning
utilities and sometimes updating software,
anti-virus programs or simply installing new
software can damage a partition.
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An operating system not found message typically means that the operating
system files are damaged, the boot device
priority has been changed, the partition
table is damaged or the hard drive has been
formatted.
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A clicking hard drive can
indicate a head crash, corrupt firmware on
the drive's ROM chip, an electrical problem
like a burned chip, blown heads, a bad pcb
controller, overwritten servo's, damage to
the hard drive's platters and alignment
issues from being dropped, jarred or a power
surge.
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When your system blue screens when you try to boot or during the middle of
an operation, it can mean the operating
system has been damaged, there may be bad
sectors on your hard drive that the system
is unable to read, your hard drive could be
failing, you might have a virus or trojan,
someone may have deleted critical dll's or
system files, the partition or file
structure may have become corrupted or
damaged.
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When your system freezes or hangs while trying to boot or while accessing a
file or program it usually indicates that
there are bad sectors on the hard drive and
the system is unable to access the
information it needs to open the file or
load the program. It can be caused by a
corrupt file or shared program files that
have conflicting call procedures or too many
system resources are being used (the system
memory gets full or overloaded).
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When you get a message telling you the
drive is not ready, hard drive or device
not found it could mean the hard drive
is bad, the boot priority in bios has been
changed, the partition structure is damaged,
or a virus has infected your system.
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