Blinking cursor on black screen

All I am getting when I turn on our family PC is a blinking cursor on a black
screen (right after the dos boot prompts appear then disappear.) Right before
this problem occurred we lost connectivity to the internet through our
wireless card. I don't know if the two have anything to do with each other.
The PC hung up like this for the first time yesterday and I powered off with
the power button and powered back on and it worked. Today alas, the luck has
run out. I tried powering off the PC and all peripherals on the power strip
and it didn't work. The PC ran fine for one year since we got it, before
this happened.

Here are our PC specs:
EMachines T6412 Desktop PC
AMD Athlon Processor 2.20 GHz
512 MB DDR SDRAM
D-Link wireless card
Windows XP Home Edition
Norton AV
Spy Sweeper
Netgear wireless home network

Thank you!

On Jan 31, 8:18 am, Bill_S <B...@discussions.microsoft.com> wrote:
> All I am getting when I turn on our family PC is a blinking cursor on a black
> screen.

Black Screen on Boot
http://support.microsoft.com/?kbid=314503
http://support.microsoft.com/support.../q294/4/27.asp
http://support.microsoft.com/directo...;EN-US;q314503
http://support.microsoft.com/support.../q162/0/31.asp
http://www.kellys-korner-xp.com/xp_b.htm
http://www.sysopt.com/articles/troubleshoot/index.html