The screen says: "Intel UNDI , PXE-2.1 (buld 082) For Realtek RTL8101E/8102E PCI-E Ethernet Controller v1.06 (080225) CLIENT MAC ADDR: 00 03 0D A0 C7 C7 GUID: 00020003-0004-0005-0006-000700080009 PXE-E51: No DHCP or proxyDHCP offers were recieved. PXE-MOF: Exiting PXE ROM." how do i fix this?

Your computer tries to "boot" from various devices:
* internal disk-drive
* internal CD/DVD drive
* internal 3.5" drive
* external USB device (memory stick, external CD drive, et cetera)
* via your network-adapter -- trying to connect to a "boot-server"

So, restart your computer, and enter BIOS SETUP mode.
Be sure that the disk-drive *IS* listed.
If you want, exclude the "network" boot-device,
since the error-messages that you are seeing are indicating that *NO* boot-server exists on your network.

What the messages *COULD* imply is that there is no media in the CD/DVD drive,
no media in the 3.5" drive, nothing "bootable" connected via a USB port,
*AND* that your computer *TRIED* but *FAILED* to boot from your disk-drive.

That is, your disk-drive either is electrically disconnected (no power reaching it)
or electronically disconnected (the "data" cable is not attached)
or that the disk-drive itself is "dead".

Take your computer to a qualified technician for trouble-shooting.
You may have to replace the "dead" disk-drive with a brand-new one.