Question about Dell Inspiron 9400 Notebook

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Dell inspiron 9400 won't come on

When i press the power button the green light comes on for a second then goes off. The battery is new so I know its not that.....any suggestions?

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  • Yannick Verhoog May 11, 2010

    Does it work when connected to the power grid?

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  • Master
  • 431 Answers

Hi I am Vortash this sounds like an internal problem possibly a faulty component ,, when the hard drive is faulty this sympton can arise .
Remove the hard drive and see if the computer starts to boot into it's bios state prior to starting windows .. it should then say no operating system but would point to a hard drive failure .. as you already have a new battery , this is about all a non technical person can do .It will need a service engineer to do any further tests under the correct conditions a screwdriver in the wrong place on a laptop can cause a great deal of damage .. sorry to not be of more help regards Vortash

Posted on Jul 22, 2009

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  • Dell Master
  • 3,866 Answers

The power supply would be the culprit. I would suggest you check the power supply then wokr your way down from that.

The power supply could have bad capcitors it could even have a bad transformer. When in doubt check the power supply inside the unit.

please do not shoot the messanger as the messanger cannot see whats going on please do rate.

Rulds2008

Posted on Jul 22, 2009

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1 Answer

Dell Inspiron 1100 won't turn on


unplug, take out battery then hold power button for 30 seconds then plug back in and turn on
if the3 laptap gos on without the battery you need a new battery

Jun 14, 2013 | Dell Inspiron 1100 Notebook

1 Answer

Have a Dell Inspiron 9400, when running off the battery the LCD is perfect, as soon as I plug into power the screen goes black. Ive tried multiple power supplies and still the same result?????


you may need to change your power settings. it sounds like when you plug it in it goes into a mode thinking there is another monitor hold the FN key and press a key usually f5 that looks like a computer monitory. anyway plug in the pwoer cable, and hold fn and press the key that looks like a computer monitor maybe twice until the monitor comes back on let me know if that works!

Mar 17, 2011 | Dell Inspiron 9400 Notebook

3 Answers

I have a dell Inspirion 9400 and it won't start. When I press the power button, all that happens is the power light and the dvd player light comes on and about 3 seconds it turns off. Does it with and...


It shows no power on your laptop but it shows you the dvd player led comes on then off. I would suggest try the following:
1. Remove laptop battery, optical drive, hard drive and ram. Remove external peripherals as well. 2. Make sure AC Adapter is not yet connected to the laptop. Press and hold on the laptop's power button for 10 seconds to drain the power flea. 3. Connect the AC Adapter to a known good power outlet, check AC Adapter power LED if it is on. Try to sense if AC Adapter is not making a bit of noise when it is plugin to the wall power outlet. 4. Connect now the AC Adapter to the laptop. Check if AC Adapter LED stays on when it is connected to the laptop. If the LED stays on means the AC Adapter is fine. If the AC Adapter LED turned off check the AC Adapter pin that goes to the laptop AC socket if it is loose. 5. If AC Adapter stays on after connecting to the laptop try to power on laptop. If no power LED comes on then this is motherboard problem. 6. Before replacing the motherboard there is one checking needs to do. If you can open your laptop bottom part then good, do this when laptop is not connected to any power source. Try to reseat the laptop CMOS battery then try to power on laptop after, if still fails then replace motherboard. I hope this helps.

Dec 12, 2009 | Dell Inspiron 9400 Notebook

1 Answer

My Dell Inspiron laptop won't power up. There are no lights AT ALL. It worked when I left for holiday. I have bought a new AC/DC power unit: just the same. The green light comes on when I plug the AC/DC...


If the light on the A/C adapter "goes out" when you connect it to the Laptop... then your motherboard is bad.

Your motherboard is "shorting out" the A/C adapter, in which case you will need a new motherboard.

Sorry....

Sep 08, 2009 | Dell Inspiron 1501 Notebook

2 Answers

Dell inspririon 9400 wont start


(before you do anything remove the battery and th ac plug)remove the memory inside small door on the backside that has a "M" on it now once you remove the memory install the battery, power on if you hear a couple of beep tones you are half way there the motherboard is good so the problem is what you took out so there are two memory slot try them in the A slot one at a time.If the problem is memory replace it.
Good luck

Aug 29, 2009 | Dell Inspiron 9400 Notebook

1 Answer

Dell 9400 wont show AC power icon


If the computer is connected to an electrical outlet, the about10.jpg light operates as follows:
  • Solid green: The battery is charging.

  • Flashing green: The battery is almost fully charged.

If the computer is running on a battery, the about41.jpg light operates as follows:
  • Off: The battery is adequately charged (or the computer is turned off).

  • Flashing orange: The battery charge is low.

  • Solid orange: The battery charge is critically low.
Looks like the AC adaptor is faulty.

Aug 25, 2009 | Dell Inspiron 9400 Notebook

1 Answer

Dell 9400 Won't Start


sounds like bad motherboard/power supply. Just to be sure though have you upgraded the ram? If you have more then one memory chip try siwtching out each one and seeing if it's boot farther. It's possible a dimm went bad or the port it's in went bad. Otherwise motherboard/powersupply

Dec 08, 2008 | Dell Inspiron 9400 Notebook

2 Answers

Dell 9400 Won't Start


i suggest that you should replace the battery because batterey may be faulty take it down to your nearest pc repair shop

Jan 21, 2008 | Dell Inspiron 9400 Notebook

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