Windows 7 booting error please help!

[Nfl494]

I'm running a Windows 7 netbook- acer aspire one. 32 bit
Prossesor- Intel Atom

BOOTING ERROR-
I press power and I can here a beeping noise from inside my netbook.
the ACER logo pops up (normal) with the F2 start up thingy on the bottom left corner of the screen
THEN!!!- It goes to a black page with white text.

"Intel UNDI, PXE-2.1 (build 082)
Copyright (C) 1997-2000 Intel Corporation

For Atheros PCIE Ethernet Controller v2.0.0.9(05/08/09)

Check cable connection!
PXE-M0F: Exiting Intel PXE ROM.
No bootable device -- insert boot disk and press any key"

No I press any key...

"Intel UNDI, PXE-2.1 (build 082)
Copyright (C) 1997-2000 Intel Corporation

For Atheros PCIE Ethernet Controller v2.0.0.9(05/08/09)

Check cable connection!
PXE-M0F: Exiting Intel PXE ROM."

That happens over and over again!

I don't know what I did to it or what happend please help me!

BTW the beeping noise is their for ahwile then goes away.

 

[Archean]

Which ACER notebook do you have ? (Model number /specs etc.)

Have you checked in BIOS that whether your Hard Drive is being detected or not?