Question about Samsung SGH-D840 Smartphone

1 Answer

SGH-D840 won't turn on!

A few days ago the screen started flickering and was getting jammed on certain pages, then the screen turned off completely, and now it wont turn on! What to do???

Posted by on

1 Answer

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

The phone has somekind of wire in the back of the screen . u need to fix it to a cellphone repairer,otherwise u will not see anything,i had twice the same problem,if u fixed it in 3 months or 4 u will have the same problem

Posted on Jan 14, 2009

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

HP Pavilion g series g7 black screen but occasion flicker shows it is up and running.


Hook a spare monitor to the video output usually on the back, if picture is okay! the problem lies in the inverter board, "just below the screen" or the backlight behind the LCD display, or the video cable from the screen to the motherboard has come loose from the plugin. But if both show the same symptom it means the Video Graphics Card is defective, normally built into the motherboard.

Apr 01, 2012 | HP Computers & Internet

2 Answers

My screen has gone blank. It fell on the floor a few days ago, but only this morning it began to go "funny" and now it is completely blank (black). Any ideas how to fix it please?


bad sign... when the CP turns black, the CPU IC maybe damaged... an expert cellphone technician may fix it but it have a 50-50 chance or best to buy a new CP... sorry for your broken CP... but still hope that it can be fix or if you can afford a new one...

May 25, 2010 | Samsung SGH-G800 Cellular Phone

1 Answer

The screen on my dell inspiron nootbook started flickering last month, two weeks ago it started to turn completely dark at times and today 3 min after i turned it on a blue screen popped up and it told me...


windows dose not control any flickering unless the driver is being updated if thats not the case your flourecent bulb might be getting old inside the lcd!

Aug 29, 2009 | Dell Inspiron 1525 Laptop

2 Answers

Nikon coolpix s9 flickering problem


contact NIKON BAD CCD PROBLEM !

Get ir repaired free of charge just call them thousands face the same problem and all brands are repairing it free go call them

see the link for widespread Bad CCD problem dont worry if u are not on list but u have the same problem call them PLS RATE ME FIXYA for help !!

http://www.imaging-resource.com/badccds.html

Apr 12, 2009 | Nikon COOLPIX S9 Digital Camera

1 Answer

Acer Laptop Screen Flickering


The flickering screen indicates that it is a backlight problem with either a faulty inverter or inverter connection problem. The inverter is usually located at the bottom edge of the LCD screen, and may have one or two connectors (one for the video info. and one for the inverter power or a combined connector) attached to the motherboard under the case near the top edge of the keyboard near the hinges. Reseating these connectors may solve your problem.

Jan 29, 2009 | Computers & Internet

1 Answer

Limited Services on my Samsung SGH-D840


i made a couple of calls and it turned out my phone needed flashing to reset all factory and network settings. i took it to a specialist and it cost £20
i'm sure the software to do this yourself is on the NET and you only need the phones USB fire wire to connect it.

Nov 27, 2008 | Samsung SGH-D840 Smartphone

2 Answers

Monitor started to flicker then went blank


I have a envision professional series and I love it, but I will get to the point.
I recent ly received a Envision EN9410e monitor, had the same problem (flickering screen then turned on, then off then on then blank). The problem is bad capacitors. There are 7 electrolytic capXon capacitors that will need to be replaced. You should see if the caps are bulging or leaking, if so replace. As known by many replace with the same capacitance and voltage. There are a few incidences that the capacitors where replaced and the problem wasn’t solved; this is because the cap problem wasn’t taken care of and damage occurred to another part of the monitor. The back light is a Royer oscillator (cool things) and it uses two smd mosfet transistors. They are on the green side of the circuit board near a big control chip (they each look like a off rectangle black square with eight pins) you need to see if there is any carbon or chard residue between the pins or burning smell from them, if there is you need to remove the transistor and do some board repair then ether put a new transistor or try the old one. No offence to the people at Envision but not smart putting the drain, gate and source so close to each other under the chip where there is such high voltage! Hope this helps.

Dec 24, 2007 | Computers & Internet

1 Answer

Samsung D-840...black screen...red button not functioning


The same thing has happened to my D840. Very annoying as ive only had it 5 months. After a bit of research and asking around, ive found out that this is a very common fault with these phones. The ribbon inside which connects the screen to the main body of the phone is damaged due to sliding the phone open and closed. Surely they should sort this problem out if the main feature of the phone is to slide it open. Crap.

Nov 12, 2007 | Samsung D840 Cellular Phone

Not finding what you are looking for?
Samsung SGH-D840 Smartphone Logo

111 people viewed this question

Ask a Question

Usually answered in minutes!

Top Samsung Computers & Internet Experts

kakima

Level 3 Expert

102366 Answers

phoenix chi
phoenix chi

Level 2 Expert

389 Answers

Les Dickinson
Les Dickinson

Level 3 Expert

18384 Answers

Are you a Samsung Computer and Internet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...