new screen/inverter/ backlight installed. NEW screen still black, but visible with flashlight. Went ahead and got ANOTHER inverter off eBay and tried that - screen still black. Haven't ever replaced a backlight, and the operation looks delicate (and expensive to HAVE done) ...
First off before I get into the problem I want to say that I am an experienced computer technician having worked on hundreds of laptops in the past. So I'm very familiar with the problems and solutions for them.
I just want that disclaimer to be up front that I'm not a rookie seeking laymans terms or solutions.
Anyway, that aside. A customer dropped off an Inspiron 5160 last week. The system wouldn't half power on he said so after testing, I determined that the AC jack was 'broken'. Sure enough after disassembling the computer I could see on the bottom of the motherboard where the AC adapter had been knocked loose.
I replaced the motherboard and immediately noticed that the screen would display the BIOS Dell logo for about 5 seconds, and then cut off.
With a flash light I could see the data images on the screen, just no CCFL light from the bulb to brighten the screen.
My Dell 7720 has uneven screen backlight on the edges, is it normal? Do all the 7720 dell laptops has the same issue with the screens, or it is only my problem?
Here is the video where I make screen darker and brighten: [URL] ......
On my old XPS, when the screen turned off, the keyboard backlight would turn off with it automatically. My new Inspiron 17 does not do this, and I can't find anything that seems to control the behavior. Is there a way to do this?
Alternately, is there a software solution to control the keyboard backlight?
When I try to use the brightness level in between LOW and HIGH, my LCD backlight would go off, and the screen would be dark and almost not visible at all. There are also vertical bars at random spots, stretching from the top of the screen to the bottom of the screen. I can only use it with either LOW setting or HIGH setting, nothing in between.
This problem just started on its own. I have not installed anything such as drivers or programs. No updates(was updated after the problem occured to try to fix it).
I love this laptop to death and has been the best laptop in the past 15 years. I would hate to see it go so I need this fixed.
I will update later with pictures when it gets dark here b/c the pictures now are not showing up with the bars.
Now almost always when I trying to resume from standby on battery MBP isn't turning on backlight - I can even see MAC OS working normally but screen is off.
my laptop screen backlight goes off, when I rest my hand on the left side of the touchpad. The darkening of the screen can be also reproduced when a small pressure is applied on the case just above the ethernet port or above the headphones port. When the screen goes dark, I can see that everything is running normal, if I shine on it with a lamp or strong light. The resulting effect seems to be the same as if I would have lowered the brightness to minimum.
When I don't press the area described above, the screen is just fine. I am sure this problem is not software or OS related. I googled it a lot and my guess is lose connection on the inverter?
One last thing - idk if related - sometimes, when I boot up the laptop, the backlight is turned off and I have to adjust it by pressing F3.
i have a sony vaio c2z - nvidia geforce 7400; x-black lcd
i have had a lot of problems with my display since august. although i didn't notice at the time, it happened soon after i installed the Win 7 RC.
when i start the laptop up the screen looks all distorted and the colours arent correct:
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but when i take screencaps and connect it to another monitor everything looks fine.
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i assumed the screen was knackered, but i installed a game a few weeks ago and it brought the display back to life, only for it to look crap again when i restarted. this also happened when i did a clean install of vista, only for the display to go bad when the updates installed.
i have tried many times, but have been unable to replicate this...............
I have an acer 7513 wsmi the screen went black no backlight. It worked using the blue video cable connected to a TV. I replaced with a new screen now have a backlight but no images etc. still works with TV though. I up put windows 7 on it so it has no acer drivers at all. I have tried alt 5 etc but no joy.
Alright Well I bought a new inverter plugged it in and it still is doing the same thing. Only when i jiggle the wires the light goes on and i see the screen but not for long. I check for loose conncections but can't find any. The external display is fine. I'm wondering if it could be the actual bulb.
My current problem is that when switching from the mobile power-saving GPU I lose the backlight on my screen when the high performance GPU kicks in. The HDMI output is displaying video when in High Performance, but the screen of the laptop will only show a picture with no backlight, and can only be seen by shining a light on the screen.
Just started happening the last few days, I've tried a system restore (didn't allow it), tried uninstalling all of the AMD drivers and software then reinstalling with their updated drivers, as well as the same process but with the HP drivers that came with the laptop, still the same result.Is it possible for the high performance GPU to be failing some how or is this a software issue?
Got my MBP yesterday. It came with a 9CC2 screen, which is supposedly AUOptronics.
Contrast is very high, I reckon above 800:1. Colors and viewing angles are very good too. It has one problem: brightness.
I used it outside with sunlight but the backlight was not strong enough to overpower the reflections. My MBA was much brighter, and also the 9C89 screen on my first uMB was brighter.
When I'm working inside the house during the day I'm usually on 1 or 2 stripes from the max.
It's a not a huge problem for me because I did not really plan on keeping it for long but if I buy again I'll probably try to get another screen. Expecially the MB April 2009 screens interest me. I've never seen them in real life though.
Here are some pics of it next to an Asus 1101HA which was measured at 129 nits max by Notebookjournal.
The first three are on full brightness, than half brightness. Keep in mind that photographs can not really give an accurate impression of brightness levels.
After using my new Vaio Z for a few hours i noticed a slightly greenish hue at the bottom of the screen(1600x900). It's mostly visible with white or very light background.
There are a few of those spots and i think it originates from uneven LED backlight. It's not instantly obvious, but after i've noticed it I find it somewhat distracting.
In the past, I used to have an hp pavalion laptop. I usually kept the screen at a little past half brightness and in 3 years, the screen no longer even turns on which means the backlight is dead. The same thing is true for my mother's 17 inch lcd monitor. Now I realize that this may just be bad luck, but I don't want to risk anything with my new macbook.
What's a "safe" level to leave the brightness at? And is the LED long lasting? Is it expensive to replace? I hate dim screens but I don't want this screen to die that fast, I want to make this last AT LEAST 8 years.
This is third time the same thing is happening to me. After i install some updates, display dimms, and background light became darker. When i restart computer, and enter BIOS, or if i am just looking at the screen before i log on to windows, backlight is normal.
I have a new T540p with Windows 8.1 and fn+f5/f6 do nothing, while sound buttons work fine. Is there any way to change screen backlight brightness, coz it too birght for me by default.
I ordered a certified refurb and the machine is great except the former owner attempted to clean the screen and left tracks all over it.
I've searched for the best method to clean the screen and the consensus seems to be using a 50% isopropyl alcohol solution onto a lint free microfiber or soft cloth and to go in small circular or one way motions.
Anyone have great success cleaning their screens with minimal smudging? Does this warrant contacting dell to get the screen replaced?
the smudge tracks are significant when the screen is off but otherwise when using the machine they are not noticeable. Otherwise no dead pixels and no other problems.
I'd like to clean the screen if I can, I've been meaning to clean my d820 anyway, I havent' cleaned that screen sine I've gotten it.
I have a Dell Latitude E6400 and am extremely happy with it as I've had no major problems with it so far (touch wood), but just last week, the screen started to go dim and then bright, really annoyingly.
I can tell it must be to with the sensor thing below the screen as when I put my finger over it, it goes dimmer.
I've been considering both of these systems, but I was wondering if anyone had a bit of personal experience with the screen quality.
There are the obvious differences of size, resolution, and matte vs glossy, and the general strengths and weaknesses of both of those, but I would like to hear some impressions from someone that has had first hand experience with each.
I am going to be using the system for graphic design (student) work, some of which will go to print as well as digital photography editing. I know about color calibration and how important it is.
what do you have to install to set up the privacy screen feature on E6400s with dedicated graphics? I thought I saw it in the DCP when the notebook first came with the manufacturer install, but now I reinstalled every aspect of it that I could find on the driver and utility disk, and still nothing.
Now, my DCP has 4 options--System Overview, Power Manager, Display and Device, and Security Manager. In the Security Manager, I only seem to have options for the Fingerprint Reader and the Trusted Platform Manager (and I have no idea what the latter is). Can't find a Privacy Screen feature anywhere, and the Fn+E shortcut doesn't do anything either.
I can controll the screen brightness with the [FN] + [UP] / [DOWN] keys, but I can't see if it's up 50%, 80%, 100% etc. Before the reinstall I could se this on the display via some sort of Dell-tool.
Which driver/tool should I install from Dell to be able to see the percentage again?
is there a way to check if I'm going to get an LG screen based on the system identifier or any other info in a Dell outlet E6400 laptop before I actually get it?
I just undocked (where I have two monitors) and am now using Outlook with a LinkedIn addon feature on my laptop. For some reason,
when I open the LinkedIn app, the screen that opens is nowhere to be found. Its in mytaskbar but when I open and close it, its flying off to the right as if there were a second display still attached.
I checked the display settings and I am on one monitor.
Any idea how I can get that window to display on this screen?
