Dell Optiplex GX270 SD Desktop PC - Hyper-Threaded P4 (GX270SD2451240DVDRW) "f2 45" Questions

45 mins ago it would not i waited and then f2 f12,at lower left hand corner appeared it just sat did nothing so i hit f2 it took awhile for it to go to set up i shut it off and have been waiting close

...f2 nothing happens and the computer will not load any further if i dont do anything and just wait for about a minute the screen goes blank and the computer turns off also i am running windows 7 I ...

f2 to run set-up.... F1 works but I am getting tired of doing this. Now when the computer starts, it stops at "Windows" screen for about 45 seconds before going to press f1 to continue etc..

45 mins and the error u r getting will go away but if the NIC error keep accuring well there a problem with yr network card and for the hard drive when the pc is now booting up all dell normally comes

...F2.once you're in your BIOS(a blue window that has some white textes).try to change the boot sequence.make your cd/dvd rom first on the list and then save and exit and then it will restart the ...