Question about Nikon D40 Digital Camera with G-II 18-55mm Lens

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D40 will not power up

I cannot get the camrea to come on at all. I have an extra battery thinking that was the problem. Nope still not power.

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  • rambunktor Sep 24, 2008

    My camera won't turn on, and I've tried with different batteries. Putting in a memory card does not make the light go on. I've tried the hard reset and had no luck.

    Someone mentioned broken on/off switches, is this a recognised technical fault?

    If anyone can help, it would be much appreciated



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When a charged battery is installed, the card access led on the back of the camera should blink once. If it doesnt, try resetting the camera with the small microswitch on the bottom of the camera body (opposite side from battery compartment). Failing those, have a Nikon shop look at it.

Posted on May 22, 2008

  • Mark Day
    Mark Day May 22, 2008

    From other posts, there have been reports of defective on/off switches.


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1 Answer

Nikon d40 won't power up

The Nikon D40 uses the EN-EL9 7.4 Volt Li-ion Battery. You should be able to read 7.4 V DC between the (+) & (-) terminals of the battery after it has been in the charger for several hours. If it does not, it indicates a bad battery, charger or both. There should over 7.4 V DC on the terminals of the charger if there isn't, it suggests a bad charger. If the battery voltage is OK, make sure it is inserted correctly. If still having trouble, it may be related to the camera power switch or internal circuitry. This will require returning to Nikon for repair. Good luck!

Aug 20, 2013 | Nikon D40 Digital Camera

1 Answer

The end of my av cord broke off in the camera usb port, then the camrea shut off and wont come back on, how do you fix this/

That shouldn't cause the camera power off unless there was a short. I'm thinking the
camera shorted out which is strange. Did you try to take the part out with tweezers (while
the camera was on)? That would probably cause a short. Anyhow, remove the part
while the camera is off and with the batteries removed, then try to power it on. If
all fails then the camera has a short and the board will need to be replaced.

Jan 23, 2011 | Sony Cyber-Shot DSC-S40 Digital Camera

1 Answer

Why won't my Nikon D40 stay in infra red remote control mode, trying to take wildlife shots, have to wait for right shot but after about 1min. remote does not work?

The infrared sensor consumes battery power whenever it is waiting for a signal. By default the D40 will time out after one minute.

If you go into the Custom Menu and select item 17, you can change the timeout to 5, 10, or 15 minutes.

Jun 16, 2010 | Nikon D40 Digital Camera with G-II 18-55mm...

1 Answer


Your problem may be due to weak/worn out batteries or corrosion on the battery contacts inside the camera which can prevent the full power of the batteries from flowing into the camera. Try this free fix before you do anything else: remove the batteries and wipe the camera contacts firmly with a dry cloth (heavy corrosion may require cleaning with a wire brush, steel wool, or sandpaper). Remove any residue that may have fallen into the battery compartment during cleaning, then wipe both ends of the batteries and place them back in the camera. This cleaning clears the problem about 90% of the time. If it doesn't work for you, chances are that your batteries need to be replaced because they're just too worn to properly power the camera. And then, of course, there's the possibility that your camera may have a problem that requires professional repair.

Oct 12, 2009 | Olympus FE-20 Digital Camera

1 Answer

Camera does not power-up

If the battery is ok it suggests the charger unit is faulty.

If still under warranty, your supplier should exchange this free.

If out of warranty, I suggest buying a standalone battery charger to charge your battery without connecting the camera (and maybe a spare battery - always handy to carry a spare with you).

They are not very expensive.



Feb 23, 2009 | Nikon D40 Digital Camera with G-II 18-55mm...

1 Answer

Images displaced, cut off at bottom & extra content at top

Be aware of using your Flash because it has limit syncronization capability. if your flash synchronization limited only to 250 speed, and you make it 500, the images may turn half lighted and dark.
X synchronization is important to know.

Jan 10, 2009 | Nikon D40 Digital Camera with G-II 18-55mm...

1 Answer

Images displaced, cut off at bottom & extra content at top.

flash trans. is broken i want to replace if there any matching ?

Dec 01, 2008 | Nikon D40 Digital Camera with G-II 18-55mm...

2 Answers

My nikon D40 says my battery is dead

For the price of a battery, I would replace it. There are plenty of good quality chipped aftermarket batteries for the D40 for only a few dollars.

Sep 22, 2008 | Nikon D40 Digital Camera with G-II 18-55mm...

1 Answer

Monitor unlit

the best thing to do would be to press the 2 green dots together to do a master reset on the camera. 1st green dot would be just beside the shutter and the other would be on the left of the lcd. press and hold them both for about 10 secs

Aug 27, 2008 | Nikon D40 Digital Camera with G-II 18-55mm...

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