Dell Inspiron 15 :: Laptop Screen Dims When Unplugged
Dec 29, 2014
Whenever I unplug my laptop from external power, the screen considerably dims and the taskbar turns white over it's usual blueish black. I've gone into the power settings and changed them so that brightness is 100% when unplugged, but to no avail. According to my computer it's at maximum brightness when unplugged but it's obviously not. Trying to increase the brightness by the sun key or pressing Fn up doesn't work either. Tried to go into BIOS via F2 but couldn't find a video or brightness option.
my Inspiron 17R no longer recognizes when it is unplugged from the AC adapter. This means that when you check the power icon it always claims to be connected, even if it's not, and that the charge meter basically can't be trusted (it'll say it's fully charged when it's not). It also means that it fails to adhere to its power plans because it never goes into battery-only mode. I have contacted my local Dell tech support, but after checking my bios and seeing that my computer recognizes the AC adapter, they didn't know what to do. how to get my laptop to properly recognize when it is and isn't plugged into the power supply?
Bright usable screen on mains power but when the power lead is removed the screen goes so dim you can hardly see it.Battery indicator shows fully charged. No difference when fn and f10 or f9 used.
My laptop is an Aspire V3-571-6447 with windows 8.1 os.For the past month or so it starts beeping and then the screen goes dim and then it beeps and brightens up again. This might go on for 3 or 4 minutes and then it stops. Is this an indication of a problem? It doesn't seem normal to me and from what research I have done it seems that beeping is not a good thing.
I am using a HP Pavilion DV4 series laptop for the past 18 months. Till now, it has worked fine. Nowadays when i disconnect the main power adapter once the laptop battery has charged to 100%, the battery indicator shows immediately that only 72% charge available..If i plug the adapter again, it again shows that 100% fully charged..
I have a 1 year old HP Probook 4540s that recently has the following problem.
When unplugged the laptop suddenly shuts down even tough the battery shows 29% still remaining.
I receive no notification from Windows or anything, it just shut downs like when the battery reaches 0%.
Then in order to start it again, I need to plug it in.
I previously didn't have any battery problems and running the HP Assistant informs me that the battery is ok and it doesn't need replacements. Basically the laptop is dead at 28%-29% battery life.
My x220 is driving me crazy these days. Some days ago I experienced very strange behavior of my system. I was just using the notebook as always as it started to stutter.
With stuttering I mean everything is working for 1-2 seconds then is stuck for 1-2 seconds, working, stuck, working so on so forth.
With everything I mean the mouse movement, hard disk load, graphics movement, audio, everything simultaneously. This problem does show up not only if Windows is up but also when Windows is booting or if I start a live linux distribution.
I also noticed that sometimes when I'm moving around the ultranav trackpoint the cursor jumps to one display edge and opens a context window as if I had pressed the right mouse button.
What I did so far:
Reboot my system several times. Checked Task-Manager: nothing out of the ordinary Reset BIOS to factory settings Updated everything to newest stuff Started a live Linux distribution instead of Windows 7 Decrypted my system (TrueCrypt) Deactivated Power Management/SpeedStep via BIOS settings Switched to Single-Core processing via BIOS settings Swapping RAM from 2x8GB CORSAIR to 2x4GB KINGSTON Swapped SSD with original HDD Try booting windows in safe mode
I'm almost at a point to say this can't be a software issue and that it is something mainboard/CPU/GPU related, but I want to be certain before contacting the support.
Another thing I noticed: The stuttering starts exactly when the windows logo shows up and the screen automatically dimmes itself while starting windows. Something is happening in that moment. I may need to add that I did not install anything prior to the current situation. That does support the hardware relation.
Lenovo X220 (Model: 4290-G51) | Intel Core i7 2460M | Intel HD 3000 | 2 x 8 GB CORSAIR DDR3-1333 RAM | 256GB SAMSUNG 840 Basic SSD | 9-Cell orig. Lenovo Battery 29++ (FRU: 42T4942, LGC) | BIOS V1.29 | Power Manager V6.65.1 | Power Management Driver V1.67.04.05 | Windows 7 Professional 64Bit (up-to-date)
When I unplug my laptop, and I have maximum brightness set on screen, there is this really high pitch hum and flickering of the screen. Does anyone know what I can do?
My laptop Dell Inspiron 5520 has not been detecting the battery.On start up it gives a error message "your battery has experienced a permanent failure and needs to be replaced.The system will power down if AC is unplugged".
I have a problem with my Lenovo. The problem is that whenever I plug or unplug my pc adapter, the screen goes black for a second or so. I didnt experience this problem before, it started to occur a week or 2 ago.URL....
Our company recently purchased two Dell Inspiron 3721 Laptops (Windows 7) with two SuperSpeed USB 3.0 Docking Stations. Both laptops are fine and can connect to the network, but both network adapter on the docking stations don't seem to work on either computer. The lights on the network adapters for both docking stations don't light up and the adapter settings on the laptops show the LAN connections as "Network cable unplugged." The cables work, as we tested them on the laptops themselves. We've also tried uninstalling and re-installing the drivers with no success.
I have a Inspiron 6400 laptop which has a tru life screen, but it's the shiny type that is more of a mirror than a monitor I've just upgraded to a latitude 6500 and the wife is having mine but hates the screen, so I need to get a matt finish one..... I guess cheapest place is eBay???
I also want the new screen tosupport a higher resolution, would this mean I need a new gfx card, as I'm sure it uses a intel one built into mobo ....
I've had this Dell Inspiron 15 for all of about 3 hours, and when I'm on the internet, it randomly shuts off, turns back on, and displays this:
[URL].....
This computer has Windows 8 and when I type in my password in the box I suspect is the login screen, it just comes up with more symbols.
Can't get into computer. Computer is covered in symbols and gibberish. Is there a way to factory reset this computer without actually being able to get in? Or should I just send it back?
My Dell Inspiron 17R laptop boots normally. I can use it for some time, until the entire screen turns green. I still see the mouse cursor and I can move it around. Ctrl alt delete doesn't work. The only way to shut it down is hard restart.
My Inspiron E1505 will not complete it's boot. It comes up with this error:
PBR 1...done [XLDR] ATA error
F11 shows no recovery, diagnostic test shows no error. Tried F12, checked F2. I am not that tech savvy but can get around to any instructions giving to rectify my issue. I don't have a boot disk, never can with the laptop.
Have Inspiron 3520 with W8 - daughter has infected it via Minecraft update. Original issue was dark screen and beeping, 8 at a time. Put on a external monitor and am going through the long process of digging out the bugs with anti-virus and malware removal programs.
Question is this - how can I stop the infernal beeping? It starts up if I insert the power cord or disconnect/connect the external monitor. Is there any way to silence it?
Laptop show black screen when switched on but there's no problem when connected to secondary display monitor. Can still hear the startup sound though. Before this the laptop beeps when charging but stop beeping when battery is inserted.
I have 2 units of dell inspiron but i forgot the exact model unit maybe 1564 or 1654. my problem is that both of unit are broken. im happy that i use my units for about 5 years. both of unit are broken, the one unit was running but its not open the screen. and the other one is when i turn it on there`s something beeping 5-10 continuous beeping 2 times in everytime i open it. but the unit were not open. i cant retrive my files on my unit..
I turned on my computer today and the Resuming Windows notice came up followed by Dell logo which I clicked on and the screen went blank. Have tried obvious things like disconnecting from mains power and switching back on with no joy.
My laptop will not boot up, just get the 7 beeps and a black screen. I have done research on this issue and it seems to be an ongoing problem with this laptop. If this is the case, this should be taken care of by Dell.
I have a Dell 1525 laptop which will not boot beyond the Dell logo, I get a black screen with a white cursor. I tried to use the last known good configuration and it started out fine but I got the black screen again. I can't go into the safe mode, it only goes as far as loading the files. I tried booting from the cd to do a repair but that options says there are no problems. I attached an external monitor and I get the same black screen with the white cursor. I am running Vista Home as my operating system.
Tried (and sometimes successful) to connect HDTV to laptop, Inspiron 5720. Now laptop screen does not display (goes black) without an external monitor physically attached. Tried using Projects and clicking on single laptop display, but if I disconnect the external monitor, the laptop screen just goes black. Not very portable if I have to lug around a second display.
I have a 2 week old Inspiron 7535 and I am having issue with the monitor. I have the latest BIOS (7535A10) and latest Intel HD 4400 drivers installed.
Firstly, I had the "flickering and automatic dimming/brightening of screen" issue that is widely spoken about with this laptop.
I resolved that issue by doing the following:
Open Intel HD Graphics Control Panel Select Power Clicked downward arrow in top left of window and select On Battery Disabled Panel-Refresh Disabled Extended Battery Life for Gaming Disabled Power Saving Technology Apply
Okay, that was that fixed...
However, I am seeing another issue that I am beginning to believe is the display hardware itself.
There are horizontal waves/ripples moving downwards (on 60hz) that are only visible on darker backgrounds when the brightness is not set to maximum or minimum.
I have tried the following to no avail:
Ran Dell's diagnostic software, all passed Held "D" when booting, solid colors looked fine because it displays them on full brightness (This issue only occurs between minimum and maximum brightness). Uninstalled Intel HD Graphics 4400 software and re-installed with latest version. Still present. Version: 10.18.10.2960
Checked if the ripples/waves were still present when in BIOS. They are. Re-installed BIOS from DELL's downloaded driver. Still present. Changed from 60hz to 40hz. Still present (Although horizontal waves/ripples seemed to move upwards instead).
I am running out of options here. I have heard that this could be caused by a loose connection of the monitor to the motherboard, however, if I open up the laptop to check this conncetion, will that void the warrenty?
For initial flickering issues I resolved above (Definite software issue), try opening paint and filling the screen with the dark-grey color, that is the best way to see these horizontal ripples/waves. (They are a little more visible on 60Hz)?
Inspiron 15R SE 7520..When I attempt to start my laptop it goes to the Dell logo screen and will not boot Windows 8. I've had the computer less than a month and if I have to restore the system completely it will not cause much of a problem.
I am currently using windows 8 as my OS. When I attempt to start my laptop the Dell logo flashes on the screen and the screen turns blank/black and sits there for a few min before displaying an empty bar and F12 Boot Options in the bottom right hand corner.
I have attempted to press F12 to try and load windows in safe mode but everything is frozen at this point.
Is there a way to determine if its a hardware issue or windows issue. When I searched for the issue I found some with a similar issue but the link provided for support was no longer valid
I fitted a new LCD panel to an Inspiron 3520. Upon boot, it showed the Dell logo, then went all white and then displayed a grid made up of RGB pixels across the screen. I checked the panel was connected properly and the tried to reboot but now the screen doesn't power up at all. The laptop also now plays 4 beeps while trying to boot. I've tried connecting an external monitor, but it also does not display anything an plays the 4 beeps.
