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Power is turned on but the screen stays black. what's the problem

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Nothing but black after replacing broken touch screen


Open the phone back up and unplug all the FLEX cables from the system board then plug all the FLEX cables back in, be sure that the flex cables are aligned correctly and full plugged in. Then try the phone again, I know there has been 4 times where I replaced an LCD and upon turning it on had nothing but black screen. Did what I said above and 3 times the LCD worked perfectly(must have been a FLEX cable not seated all the way) and the 4th time it was a bad LCD screen.

Aug 17, 2014 | HTC Desire Cell Phone

1 Answer

My acer aspire 4520 laptop makes it to the acer screen when i turn it on but the screen is dark almost black. thats as far as it gets before the screen goes black. if you press the power button it turns...


Hello scooby_chick

First off, nice nickname you got there.:)

Anyway, there's a chance that the flex, the cable that connects your screen & the laptop itself may be defective.

I had a similar thing happen to my pre-historic Sharp laptop.

Try calling Acer or where you bought that laptop to see how you can go about in replacing the flex cables.

Hope that helps & best of luck!


Art Pena
Tech Support

Nov 23, 2009 | Acer Aspire One PC Notebook

1 Answer

When i turn it on, the screen lights up a little but its still pretty much dark, and when its not charging the front screen turns white but the other screen stays black, whatis wrong with it?


try reset your phone to factory settings, if this does not work , your flex cable may be broken . you can replace the flex cable in a service.

Nov 11, 2009 | Nokia N75

1 Answer

Moto q screen black and turns on and off


it is flex cable problem that is connecting LCD to module pls get it replaced the only solution may be u could be lucky and service will do it but it seems like replacement job if u dont fet the flex cable then u can easily get ur Whole LCD module along with flex cable see below link pls rate me FIXYA for help

http://cnn.cn/shop/motorola-screen-p-1529.html


Mar 08, 2009 | Motorola Mobility Moto Q

2 Answers

Razr v3 flex cable connected but screen is still black


You can buy a new phone.....but I had the same exact problem with my motorola v3 phone. Every now and then both screens would work for a while and then turn completely black or sometimes white. Most of the time black. The keypads would light, I could make and receive phone calls, but I couldn't see anything on either screen. I moved all my contacts to the sim card and I got a new phone thru an upgrade with my company. But I was still determined to get the V3 to work again! I brought the phone to a few cell phone repairs shops and I was told that the connectors from the flex cable inside the phone sometimes get loose. Make sure they are tightly plugged in. If that doesn't help then the flex cable needs to be replaced. Some of these repair shops wanted up to $65.00 to replace the flex cable! I could replace the phone for much less than $65.00! So I decided to go to ebay and type in Motorola V3 Flex cable......hundreds of places came up that sell this flex cable. I found a place in my area and ordered one. It cost me $5.00 and I got it within 2 days! I looked online on how to install the flex cable and everything from how to disassemble the phone to installing the new flex cable and reassembling the phone was right there! I followed the instructions and I installed the new flex cable and the phone is as good as new!!! Both screens are working and I didn't loose any pictures or contacts from the phone!
All it cost me was $5.00 and about an hour of time! It even came with free shipping! Go to google and type in Motorola v3 black screen and look thru the solutions. Some of them will explain how to disassembe the phone and replace the flex cable with detailed pictures! You can buy the torque screw drivers at Home Depot or on ebay! Good Luck!

Jul 15, 2008 | Motorola Mobility RAZR V3

1 Answer

RAZOR V3


it shows that you are having flex cable issues - common problem with the v3. you would have to bring it to a local repair shop or order a keypad flex and button flex cable to do yourself.
the parts are about $15-40 and a shop will charge about $25 to install

if all else fails contact me and we can help arrange it.

Feb 01, 2008 | Motorola Mobility RAZR V3

2 Answers

Flex cable(flat type)


The cable isn't nearly as fragile as the LCD screen. It sounds like the screen is broken. The flex cable is alot cheaper to replace, so you can always try that first.

Jan 31, 2008 | Computers & Internet

2 Answers

T-mobile sk3


HI im a tech at repairmysidekick.com the problem is the white screen is because of the many times you fliped the screen open or close and the flex cable which connect the screen to the phone is damaged...if you like an easy fix you can try to open the screen halfway and stick a paperclip in the pinhole on the right to soft reset the lcd if it doesnt work you can also try to remove the screws on the crome base and turn the screen upside down...check the leeds if they are gold there good if black you need to change the flex cable we can do it for you. just visit repairmysidekick.com

Dec 19, 2007 | T-Mobile Sidekick® 3 Cellular Phone

5 Answers

Blank screen....


I had the same problem , I send it in  for service they change some parts and is o.k.

Oct 31, 2007 | LG CHOCOLATE VX8500 Cellular Phone

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