1. The ROM cannot be flashed, instead the routines are patched in memory, so its safe to add the ROM updates.
2. Try a different CD Burner software.
3. If set to auto discover using DHCP, it should pick up an address from your router.
4. Try 70, 75 or 80 Hz to see if it improves otherwise a scan doubler with a modern monitor instead.
5. You will need to install the drivers on the Emergency disk and modify the user-startup file to load them.
6. Too many backup programs about to really recommend one.