Loud fan noise and screen wont come on

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  • lee_hdi
    DK Veteran
    • Oct 2009
    • 928
    #1

    Loud fan noise and screen wont come on

    Hi,
    I have a Dell tower pc, pretty old running XP. It worked fine then all of a sudden the fan is really loud near enough as soon as you press the 'on' button and also the screen doesn't come on, it is as though is on stand-by [get the amber light rather than green].

    I've attached a video and a couple of pictures.








    [ame=http://www.youtube.com/watch?v=c5vFClUh_z0]YouTube - ‪14062011016‬‏[/ame]


    When I opened it up there was a lot of dust so I cleaned it all out, but it hasn't made a difference.

    Any idea what the problem could be?

    Thanks,
    Lee
    Don't let failure go to your heart, don't let success go to your head.
    Tags: None
    • cgscott
      V.I.P. Member
      • Jul 2008
      • 3513
      #2
      Reckon the PSU (Power supply unit) is gone.

      Try another PSU and see what happens
      sigpic


      Patience is a virtue.

        Comment

        • lee_hdi
          DK Veteran
          • Oct 2009
          • 928
          #3
          Again?

          That will be the third one it will have had
          Don't let failure go to your heart, don't let success go to your head.

            Comment

            • ghjoker
              Newbie
              • Feb 2011
              • 6
              #4
              It looks more like a CPU owerheated and dead... Dead PSU wouldnt make the fan go crazy...

                Comment

                • cgscott
                  V.I.P. Member
                  • Jul 2008
                  • 3513
                  #5
                  Always start with the psu but yes it could be a blown cpu.
                  sigpic


                  Patience is a virtue.

                    Comment

                    • MrFug
                      DK Veteran
                      • May 2008
                      • 880
                      #6
                      The CPU heatsink and the securing clip don't look too healthy. Maybe it's not making sufficient contact with the chip.

                        Comment

                        • bill4676
                          Member
                          • Nov 2008
                          • 74
                          #7
                          not the poet supply if it were you'd get nothing no lights or fan more the processor gone down also test your ram

                            Comment

                            • lee_hdi
                              DK Veteran
                              • Oct 2009
                              • 928
                              #8
                              Does that mean a new motherboard then?

                              Or can the CPU be easily replaced?
                              Don't let failure go to your heart, don't let success go to your head.

                                Comment

                                • R_J
                                  DK Veteran
                                  • Jan 2009
                                  • 492
                                  #9
                                  A lot of those pc's will run the fan full speed untill it boots, (some emachines do) I would start by reseting the bios, remove the battery and change the jumper to reset the bios, it may need to sit for a while if that don't work then remove the memory and see if it will try to start up. I have had motherboards lock up and not do anything and after reseting the bios they worked fine.

                                    Comment

                                    • Instigator85
                                      Newbie
                                      • Jan 2010
                                      • 14
                                      #10
                                      High Density RAM

                                      I noticed the RAM installed is high density (chips are only on one side) which means your memory will be running in single channel mode. Low density has chips on both sides of a stick of ram and allows the pc to run in dual channel mode. If you have even one high density stick installed all the rest will be slowed down to single channel mode... Just an observation for better PC performance.

                                        Comment

                                        • Instigator85
                                          Newbie
                                          • Jan 2010
                                          • 14
                                          #11
                                          If you are continually blowing PSU a surge protector board would be a good investment.

                                            Comment

                                            • Instigator85
                                              Newbie
                                              • Jan 2010
                                              • 14
                                              #12
                                              Originally posted by lee_hdi
                                              Does that mean a new motherboard then?

                                              Or can the CPU be easily replaced?
                                              CPU's are easy to replaced as long as you get a replacement that is the same size and compatible with the motherboard.

                                                Comment

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