Question about Dell Latitude E6400 Laptop Computer PC Desktop

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E6400 does not pwr on and the center keyboard status light blinks for about 10 seconds and then the pwr light goes out

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It probably is battery problem

Posted on Oct 19, 2010

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3 Answers

Status light is blinking red, power button orange nec vt700


Hello
Look at the number of blinks of the status light.
[1] If it blinks at one cycle (0.5seconds On and 2.5seconds OFF) : Lamp cover error or lamp housing error. Replace the lamp cover or lamp housing correctly.
[2] If it blinks 2 cycles (0.5 seconds ON and 0.5 seconds OFF): Temperature error. The projector is overheated. Move the projector to a cooler position.
[3] if it blinks at 4 cycles (0.5 seconds ON and 0.5 seconds OFF): Fan error. Fans sill not work correctly.
[4] If it bliks at 6 cycles (0.5 seconds ON and 0.5 seconds OFF): Lamp fails to light. Wait a full minute and then turn on again.
[5] If it blinks continous (Red): Lamp has reached the end of its life. Lamp replacement messege will be displayed. Replace Lamp with same type and number. After replacement reset lamp hour. OK.

Sep 10, 2011 | NEC VT700 Projector

1 Answer

I have latitude E6400,th antenna status light (top of keyboard in left) dosen work, anyone can help me?


#1 ensure the wireless switch on the right side of the chassis is in the forward (On) position (I accidentally turn my wireless off about once a month putting the system in my carry bag.)
#2 if no change reset BIOS defaults
#3 Fn + F2

Jun 30, 2011 | Dell Latitude E6400 Laptop Computer PC...

1 Answer

Replaced bulb yesterday worked fine. Today light will not turn on. projector turns on both lights green for 10 seconds, then power goes red and status blinks green for about 5 seconds, then status light...


green green is power on, normal
then it tries to light the lamp, but it can't so the protection circuit comes activated.
you get red and green blinking

Then it goes to standby, red and off.

so something has happened to the lamp, or lamp ballast power supply.
Take the lamp out and check if all is OK with the 2 terminals in the connector, and the leads to the lamp are intact.

Failing that, I would suspect the ballast lamp power unit

Mar 25, 2011 | Mitsubishi HC1600 Projector

2 Answers

HELP! I changed the bulb already. My NEC VT 470 won't turn the bulb on. The green power light comes on, then the status light blinks green about 12 times, several rotations. Then the fan comes on, the...


Sounds like you lamp ballast has gone bad. I good way to verify this is, when you press power on the projector look inside the lens. If you see a small amount of light, then the ballast is good, and the lamp is bad. If there is no light then chances are the ballast is bad.

Apr 14, 2010 | NEC VT470 Multimedia Projector

1 Answer

Blinking green status light


Unplug for a few minutes then plug back in to try to reset it. Sometimes it could take as long as overnight before pluging back in to reset. Number of blinks is usually a trouble code.

Mar 15, 2010 | Mitsubishi WD-52725 52". Rear Projection...

1 Answer

How do i program this remote to a mitsubishi tv?


  • Manually turn on the device you wish to scan for (e.g. TV)
  • Perform Power Scan by pressing and holding (approximately 3 seconds)the desired DEVICE MODE button TV, VCR, CBL, DVD or SAT until the status indicator light begins to blink.
  • Press and release the PWR (power) button. The status indicator light will stop blinking and stay ON at this point.
  • Press and release slowly and patiently the blue UP ( ? ) button to scan forward through the code database. To scan backward through the code database, press and release the blue DOWN ( ? ) button. Each time you press the up or down arrow, the remote will try and turn off the device (TV, VCR etc) you originally selected.
  • When the device (TV,VCR etc.) responds by shutting off, press the ENTER button. This will store the code
  • in memory and you will see three blinks of the status indicator light to confirm the code input. Be patient, there are over 100 codes to search through.

Oct 20, 2009 | Big Button TV Universal Remote

2 Answers

Mitsubishi HD1080


Good Day;

You may have a bad lamp. What lights show on front panel? Check this when no come on:

1. Red status LED, self-diagnosis error 44, check for open F9A06 on the Power PCB part # 283P128050 on the Power PCB 2. Red lamp LED, self diagnosis error 34. Check for 5-volts DC at J-9 connector pin 1 and 2 on the Engine Driver PCB if missing replace the Power PCB part # 930B921002 3. LED stops blinking after 70 seconds of plug in but will not power on. This model is equipped with a keyboard lock feature, this can be mistaken as a no power condition. To unlock the keyboard press and hold the "menu" button on the front panel for 10 seconds 4. LED stops blinking after 70 seconds of plug in but will not power on. Check for 3.2 volts DC at connector LE pin 3 and 4 on the Control PCB, if low suspect problems with the switches/buttons on the Control PCB part # 935D776001 5. LED stops blinking after 70 seconds of plug in but will not power on. Keyboard is not locked and key inputs at connector LE pin 3 and 4 check good. Suspect the E2P PCB part # 934C121001 6. (LED does not stop blinking after plug in) Disconnect the USB connector from the card reader to the front from the Chassis, if the LED stops blinking after 70 seconds replace the Card Reader part # 299P271010. 7. (LED does not stop blinking after plug in) Disconnecting the USB connector from the Card Reader did not help. Remove connector FC from the FMT PCB and plug the unit in, if the LED stops blinking after 70 seconds with FC removed suspect a problem on the FMT PCB (part # 930B924002), if the LED keeps blinking with connector FC removed suspect a problem on the DM PCB (part # 934C116002). 8. (LED does not stop blinking after plug in) On the DM PCB (part # 934C116002) check C81A2, C81A3, C81B3 and C81B4 (1000 UFD, 16V, 105C), if any are bad, replace all of them with part # 181P734030 (680 uFD, 16V, 105C). See Service Tip VS-78A 9. (LED does not stop blinking after plug in) On the FMT PCB (part # 930B924002) check C8F19, C8F21, C8F22, and C8F27 (16V 1000 UFD 105C), if any are bad, replace all of them with part # 181P734030 (680 uFD, 16V, 105C) See Service Tip VS-78A .

Good Luck, big IRISH.

Sep 10, 2008 | Mitsubishi WD-52525 52" Rear Projection...

2 Answers

Lamp will not come on


try pressing and holding the enter button on the projector for about 30 seconds - this resets it. It worked for me!!

Feb 10, 2008 | NEC VT460 Multimedia Projector

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