Invalid Electronic Serial Number

November 15, 2011 at 03:21:51
Specs: Windows XP
I have a Compaq D520 Small form factor that when turned on it brought the error message 'invalid electronic serial number'.The c.m.o.s battery had gone flat but seems like the bios settings were already lost even after I replaced it.Even after hitting the F1 key to boot, I cannot seem to go past that screen. There is eventually no signal to the monitor, so I do not know what to do from here. Can anyone please help out??

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November 15, 2011 at 03:31:38

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