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Probably overheating check your cpu and you might want to add thermal paste to it.
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Probably overheating check your cpu and you might want to add thermal paste to it.

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Also check your fans to see if they are filled dust. &nbsp;Most likely overheating from what you say is happening.
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Also check your fans to see if they are filled dust.  Most likely overheating from what you say is happening.

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It could be a RAM problem try to remove the RAM and switch it's slot if you have any empty slots
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It could be a RAM problem try to remove the RAM and switch it's slot if you have any empty slots

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Update:<br />
I have cleaned as much of the dust out as possible. All fans are running. I was even able to get to BIOS menu for a moment and noticed no temp alert before the system shut down again. I will try the Ultimateboot and see if that gets me anywhere!
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Update:
I have cleaned as much of the dust out as possible. All fans are running. I was even able to get to BIOS menu for a moment and noticed no temp alert before the system shut down again. I will try the Ultimateboot and see if that gets me anywhere!

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I have a desktop system running XP, AMD Sempron. When I power up the system it appears to pass post, I get one beep, and sometimes make it to XP splash, then all of a sudden it shuts down. I have tried to go to safe mode, and even last known good. It gives the option and then again just shuts down for no apparent reason. I have also tried to swap power supplies which did not do any good either. Any suggestions are greatly appreciated!!
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I have a desktop system running XP, AMD Sempron. When I power up the system it appears to pass post, I get one beep, and sometimes make it to XP splash, then all of a sudden it shuts down. I have tried to go to safe mode, and even last known good. It gives the option and then again just shuts down for no apparent reason. I have also tried to swap power supplies which did not do any good either. Any suggestions are greatly appreciated!!

Computer Fails to Start

A personal computer is a general-purpose computer whose size, capabilities and price make it useful for individuals, and is intended to be operated directly by an end-user with no intervening computer time-sharing models that allowed systems to be used by many people, usually at the same time. Personal computers may be connected to a local area network (LAN), either by a cable or a wireless connection, and through that to the Internet. A personal computer may be a laptop computer or a desktop computer running an operating system such as Windows, Linux or Macintosh OS.

Microsoft Windows XP is the sixth release of the NT series of operating systems, and was the first to be marketed in a variety of editions: XP Home and XP Professional, designed for business and power users. The advanced features in XP Professional are generally disabled in Home Edition, but are there and can be activated. There were two 64-bit editions, an embedded edition and a tablet edition.

Windows XP

A desktop computer is a personal computer designed for use at a single location due to its size and power requirements, usually by one person. The most common configuration has a case that houses the power supply, motherboard, disk storage (usually one or more hard disk drives and optical disc drives); a keyboard and mouse for input; and computer monitor and printer for output. The case may be oriented horizontally and placed atop a desk or vertically and placed underneath or beside a desk.