Question about Dell Pentium 4, 2.26 GHz (1W391)

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Dell PC cant display image on the screen

I have checked my cpu but the pwer supply and the fan are ok.When I switch on the cpu an orange light appears which supposed to be green.

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  • Nayacalevu Mar 13, 2009

    No sir,its the light on the cpu!!!

  • Mike Matkovic May 11, 2010

    Could be a number of things. When you say orange, are you referring to the monitor light ?

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  • 270 Answers

It is the indicator that shows that some informations are read on your hard disk.there is nothing to be fear.screen comes after some time

Posted on Mar 13, 2009

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Hi,

A blinking amber Pwer light indicates that there is something wrong with the power. You might check the following:

Make sure the AC switch is in the correct position. (115-US)

Are you getting any fan action or noise?

Is the green motherboard LED ON?

Make sure all you MB connections are secure.

Check (or have someone check) your power supply outputs.

And for reference, here is a link to your computer's Service manual:

http://support.dell.com/support/edocs/systems/dim9100/en/SM/index.htm

Thanks for using Fixya.

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very incomplete thread..i gotta know 1st what is ur system configuration..is all ur system is getting power on..is there any light on cabinet glowing (the power n hdd)..is there is power light coming on ur monitor..is there any sound coming out of the system..or the set is dead..??..

considering that the system gets on but u get no display and assuming that the bios has not been flashed in a wrong way..

probably itz either minor case of loose ram/improper ground/cmos battery..
or major case of faulty or defective smps/cpu/main board short/display adapter or card/monitor

..plz do check the following as in order:..

1) in power on mode, open/unplug the data/vga cable of the monitor from cabinet..see if raster or 'osd' is appearing on the monitor screen..if so monitor is ok..else replace the monitor and see..

2) if u hv a graphics card, replace with a standby or onboard and see..

3) see if the ram(s) is loose/faulty..open clean/remove carbon & or oxide formed on the teeth with an eraser n resit it..or replace with a standby n see..

4) unplug mains supply..pick open/remove the cmos battery..check (above +3v)..resit..

5) remove/clean dust neatly..dust is non-uniform in nature n may cause jam/short circuitry/excess resistace n many more..resulting an increase in heat..

6) open the CPU Heat-Sink with fan out of the socket..put some "Heat Sink Compound" (available in local electronics chip level spare market) between the cpu/processor and the CPU Heat Sink *** fan..resit/fit it tightly in position..

7) the smps itself may b defective/faulty..check the outputs of smps viz. 0v (black~ground); +12v (yellow); +5v (red, green~ps-on, violet~pg & grey~sb); -12v (blue); -5v(white); +3.3v(orange)..
the 'oscillator and error amplifier ic', or pwm switching regulator circuit..look for defective protector-transformer/resistance(esp 4.7k)/mosfet..

8) if itz not the smps, then it must b ur main/mother board..see with a debug card for mb error..may b short..look for defective capacitors(esp above 1000mfd)/mosfets..go through the mb's south bridge n the circuit lie around atx connector..the crystal clock generator (if cpu isn't heating up)....

always better to seek advise from ur system admin/vendor....

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It sounds as if your power supply is cooked because the cooling fan has been running slow

Only way you can check is to take a panel off and hook a voltmeter into the 12v & 5V supplies on the Hard Drive and the Floppy Drive.

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An orange/amber light is almost always a power problem. Is the amber light on the monitor or the PC itself? I'm assuming the PC since you have the ability to read the screen. Your best bet is to check your power supply in the PC. Do you have a power supply tester (about $20) or another PC? You can switch them out and see if the orange light follows the power supply. Let me know what you find out.

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