Question about Dell Dimension 5100 (D51L1) PC Desktop

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On booting up my Dell 5100 an error message comes up as follows: Error allocating I/O bar for PCI device. The computers locks up at the XP startup page

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The computer needs the PCI slots to be enabled as they are used in communication from processor to most periferals.
It sounds like the mother board drivers are not installed or have corrupted some how.
Run the motherboard driver disk and reinstall the drivers. They can be downloaded from the mother board manufacturers web site.
You may need to burn them to a cd with a bootable system in dos, to run them.
Hope that helps.

Posted on Nov 14, 2010

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