Dell Precision M6800 :: Undocking - Blank Screen
Mar 4, 2014
I have a brand new (month old) Precision M6800, I generally use it docked on my desk at work attached to two monitors via the docking station (I have confirmed via dell support that it is the correct model of dock). The laptop works fine attached to the dock, and fine on its own undocked.
However during the act of undocking (especially if the screen is locked, although this could be a coincidence) the laptop screen will often be left black. The laptop is still running, programs are still open etc. RDPing into the laptop shows all the programs still open and windows functioning fine. Plugging a monitor into one of the external ports will often solve the problem and bring the screen to life.
I have checked the bios version (it's a new model there has been no release) and the GPU drivers.
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Jul 22, 2014
I own a M6700 and have had a few problems with it so Dell upgraded me to an M6800. Problem is that my M6700 had an IPS screen and this feature is no longer available with the M6800 so I reluctantly opted for the matt 1920x1080. I currently have both machines while I transfer data etc so I did some comparison photos comparing the screen quality.M6800 on the LEFT (matt standard) and the M6700 on the RIGHT (IPS)I am really disappointed with the quality of the M6800 screen (matt 1920 x 1080). I can't believe this standard is acceptable.
I mean this is a high spec laptop and Dell offer a screen this bad? The viewing angle is almost unusable. Left to right angle - not so bad, but up and down is so bad that I have to constantly move my head up and down to get an understanding of the colours on my screen. Everything thing is washed out and lacks vibrancy with a blue tinge through it.
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Oct 28, 2010
I am using a Precision m4500 and a ePort Plus replicator on windows 7even 64bits.
On my previous one (m6300), the "eject computer" option was available on windows but I don't find it on my current machine.
Does it mean that I have to shutdown the pc to undock it or is it safe to make a hot undock just by manually removing the laptop from the replicator ?
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Jan 10, 2015
Seeing I just got this new Precision M6800, I wonder if Dell will provide a BIOS update to allow for Broadwell, the CPU is socketed and from what I can tell the QM87 chipset will work with Broadwell, RAM also is compatible.
The power also should be less than Haswell so the cooling solution should be able to handle full load with processor.
This is assuming Intel provides a socket version, the TDP is less so there really should be no problems with power given the newer CPU uses less than Haswell.
BIOS upgrade is needed? If so, would Dell offer that in this case given the compatible options?
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Oct 31, 2014
I just got my new M6800 laptop- put it in the docking station and everything seems to work except for the USB's on the docking station.
I have had to plug my peripherals into my laptop. This is by design for the docking station. Why do I have a docking station? So that I can have an external keyboard and other peripherals permanently connected when I am in my office.
Went in device manager and searched for USB driver updates and mine are apparently up to date.
No trying a dell support chat window- let's see how long this takes....
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May 19, 2014
I receive there is 1 weeks ago a M6800 laptop with his port replicator. When the laptop is plugged to the port replicator and I press the power button (on the laptop or on the port replicator) the laptop starts but it is frozen immediatly and the big "DELL" logo is displayed. I do not see Windows starts screen and I can not enter in the BIOS.
If I unplugged the laptop from the replicator station, it starts immediately and it is work.
If I plug the power charge on the laptop it starts immediately and it is work.
I plug the laptop to the port replicator, I starts it, the starts process is frozen of course at the "DELL" logo. After that I unplugged the laptop (I do not shutdown it, so the laptop is still on), the laptop continue to starts until Windows. After that I plug the laptop to the port replicator and it is work...
So I think the problem come with the port replicator detection at the BIOS level...
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Feb 9, 2010
I have a Dell E6400, Windows XP Sp3. I updated bios, reinstalled the latest drivers, everything is newest.
The laptop works perfectly undocked and docked. Whenever I undock the laptop the mouse and keyboard stops working or I get the bluescreen saying Multiple IRL Complete Requested.
This looks like a driver issue. There is no bluetooth nor nothing in the startup.
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Nov 21, 2014
We have a user whose Latitude E7240 shuts down every time she tries to dock or undock her laptop. We have replaced the motherboard and both docks that she uses. The problem disappeared after she worked, undocked, several days from home. She returned to work and was able to dock/ undock with no issues. I have another motherboard, and can replace again, but not sure that the motherboard is the issue.
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Nov 25, 2014
System specs:
Lenovo T430U
Intel i5-3427U
8GB PC3-12800 DDR3-1600MHz SoDIMM Memory
HDD 500G 7200rpm Toshiba
mSATA 24GB Samsung Cache
Win 8 Pro, upgraded to 8.1
I rarely use this machine but a couple of months ago I went to boot it up and found that I was not able to get past the Windows splash screen. Sometimes I don't even get the Windows splash screen, I just get a black screen. Rarely I get a Windows screen saying that it is diagnosing a system problem or something to that effect and I can even get to where it will allow me to do some Windows diagnostics but nothing ever comes of it and the process is extremely slow.
I called Lenovo, but of course my machine is out of waranty so the tech just gave me a few pointers and said I could send it in to the depo but the potential repair cost could range up to about 75% of what I paid for the machine in the first place. Anyways, after having me try a few things in the BIOS he suggested that it was likely the hard drive. I mistakenly thought from the time that I bought this machine that the OS was installed on the 24 GB SSD so I ordered a new SSD and swapped it in. This made no difference at all as I have now learned that the mSATA SSD drive is merely for cache to speed up booting.
I am afraid that this means the main HDD is at fault, and quite frankly, if I replace it I am going to do a fresh install of Windows 7. But I do have pictures and docs that I would like to salvage if possible.
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Jun 18, 2008
I downgraded the screen of my laptop from a screen with a resolution: 1920x1200 (LP154WU1) to a screen with solution of 1280x800 (B154EW01). Since then I have display problem as shown the follwing pdf: [url]
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Mar 27, 2010
i have a dell inspiron 1545and today i was trying to run a update and would not let me do anything till i paid out on antivirus softwere which i already have so i tried to restore the system back a couple of days now
when i turn it on it starts up and then the ask for password bot nut in the little box it used to its now a white screen with big letters so i type in the pass word then it goes to start up then
the screen goes blank and nothing happens any ideas iv tried f2 set and f12 but no good if i leave it a while even the screen saver kicks in
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Jan 20, 2009
I have a Dell Inspiron 9400, I think thats the same as an Inspiron E17-- in america (for some reason dell likes to confuse its customers).
My screen goes competely blank after the dell logo and windows logo show up on startup.
Everything works because I can still log into windows and shut it down using shortcuts and all the normal sounds are played, there is just nothing on the screen
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Jan 10, 2008
I have an XPS M170, with the 7800GTX card installed. Been working perfectly for several months now then all of a sudden the screen went black, and I had to force a powerdown.
(I was only browsing the web at the time).
Turned it back on, and all that happened was the power light came on, the hard drive light flickered, then the DVD seemed to power cycle (the light came on and I heard it spin), even the XPS lights came on, but that's it, nothing else.
If I leave it alone, it remains in that state with no change, hooked up an external monitor to it, and nothing there either.
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Feb 2, 2009
hope someone can help me here. Every time i turn on my laptop all i am getting is a blank screen on my laptop and my external monitor.
i am thinking of replacing the motherboard as the graphics card is aparrently soldered to it.Before i do this could the problem be any thing other than the card? I tried running dells screen diagnostic using the beep sound but there are no sounds at all and i cannot see any warnings or errors as all i have is blank screens.
Also if i change the motherboard when i switch it back on will i have video output straight away or will i have to configure anything first?
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Feb 2, 2009
Her mum was using the laptop a couple of nights ago and the screen just went blank suddenly when she was browsing the internet.
She held the Power button in and turned it off as it was still running. When she tried to Start it up again the Laptop is starting up but nothing is coming up on the screen, The screen is staying completely blank,
Although when you hold for talk sake the Light of your mobile phone around 1cm away from the Screen you can see the Desktop of the Laptop. So basically the laptop is working but theres no light to light the screen up it just stays black as if it isnt turned on.
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Apr 13, 2013
Laptop: Dell Studio 1535, 4gig Ram, Windows 7 (with all recent updates).Over the past few days the screen on my laptop has started to flicker, then just go black all of a sudden. Sometimes i can still see the desktop but it is very very faint. I plugged the laptop in to an external monitor and the display on the monitor is fine, so i'm assuming there is a problem with the display on the laptop. I have done a bit of digging and all the connections internally seem ok, nothing loose.
If i replace the inverter (P927C), would the problem would be solved? Or would i need a new screen cable (P905C)? (or both)?
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Mar 28, 2013
Whenever I switch on my Inspiron 6400, either via the On/Off or Media Direct button, the screen almost always goes blank within less than a second. I would like to reset the computer to its original factory settings via F8 or reinstall the operating system via F12 but cannot do so because of the blank screen. Occasionally, I hear the sound which accompanies the window screen a few seconds after switching the computer on; the computer will also sometimes whirr and the number lock and wife symbols will illuminate, all whilst the screen remains blank.
This problem first developed yesterday when I received the message "NTLDR is missing". With a bit of perseverance yesterday, I could eventually get the computer to work by repeatedly switching it on an off, but this no longer seems possible today.My computer has Windows Vista.
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Jul 13, 2012
I have a wireless mouse and printer plugged into the USB ports of my docking station and generally have no issues with them functioning. However, when I take my laptop off the docking station and then return it to the docking station, the laptop no longer recognizes the keyboard and also says that the printer is not connected. Once I restart they both work. I have also tried to unplug the wireless receiver for my keyboard from the docking station and plug into the laptop, but it still does not work without reboot.
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Apr 22, 2009
Basically, turned off my computer yesterday, and I turned it back on today, and it opens the dell loading screen, then the vista loading screen, then the screen goes blank, but the light is on but nothing appears on screen,
I also can hear the vista opening music from when the sign in page opens........
also when I boot in safe mode it works perfectly with no problems ??
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Oct 21, 2009
My Dell Inspiron 1526 won't restore after hibernation.
After a recent Vista update the laptop was placed in hibernation mode before the normal 'restart to complete update' process. After a minute or so i press a button expecting to see a logon screen, instead the monitor was off, blank screen with no power.
I presss every button but nothing happened. After a restart the monitor remains off but i can still hear 1526 checking the cd drive. I restarted several times trying the Fn+F8 option with an external monitor and pressing the up button while holding Fn but still the same.
1526 appear to be in a wierd state because i placed a XP boot cd and restart then hit Enter several times. If the backlight or inverter was the only problem then 1526 would boot from the cd as normal though i wouldn't be able to see. It doesn't, it simply power up, checks the cd drive then does nothing.
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Apr 1, 2013
Just two days ago I was using my laptop then turned it off like any other day. Later in the day I proceeded to turn it back on and received the dreadful 7 beeps with a blank screen. For the time that I've had it, I've taken good care of it, (never dropping it etc.) I have read on some of these forums that the 7 beeps could mean a bad motherboard/processor.
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Jan 28, 2013
I'm having problems with my inspiron mini,when I am turning laptop on I'm only getting a black screen,the LED light is on.after researching online I have tried several methods 2 get it 2 work but still getting nothing...
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Mar 6, 2013
I have an Inspiron 15R Windows 7. Set default power setting "Ballanced" but screen goes blank after 1 minute and 5 seconds not moving my mouse or depressing keyboard key on both battery power and plugged in. Screen should remain on 5 minutes on battery and 10 minutes plugged in. Tried resetting default power settings without success. Very distracting when trying to read anything that takes longer than 65 seconds.
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Feb 14, 2013
My problem is first i had clean my laptop yesterday with a cleaner for laptops l disable my laptop battery and clean it and put it with towel cover for two hours and i turned it on then the laptop work fine but the keyboard has a problem it type different thing than i typed then i disable it and put the keyboard under the sun for about 3 hours and the problem still founded then i open my laptop and extract the motherboard and i just clean it with caution with cotton and then put the motherboard in the laptop and connect all the wire with it thn i close the cover of laptop and turned th laptop on and just the fan run at full speed and the light works also the cd room but the motherboard not working my qustion is what the problem behind the full speed fan and blank screen is it a disabled hardware like cpu or gpu or ram...
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Feb 23, 2013
I can't see the screen !!!!!
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Oct 22, 2008
My laptop Acer3050.. has a black screen. What could be the problem? I've tried the toggle FN with the > or< which someone suggested nothing happen. Do anyone have any more suggestions for me to try?
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Sep 8, 2009
My friend gave me his broken laptop which is not too old. turion x2, 1gb ram, vista. He said one day he was using it and the screen went black. I turned it on and a fan noose starts but slowly stops. I don't really hear anything from it either. I also hooked it up to a VGA monitor and the it is black as well. Any ideas on what it isand is it easily fixed?
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Jan 10, 2009
For me it happens when I shut the laptop screen and open it again right away. If I wait a few beats before I open it, the screen lights up again just fine.
But if I open it right away after closing it, the screen goes blank, though the laptop seems to be running just fine.
Hitting Fn-CRT/LCD does nothing, nor do any other of the function keys.
I even tried hooking up an external monitor and banging away at the CRT/LCD combo, but the external monitor is just as blank as the laptop LCD.
Hard power-down will restart the laptop and the screen comes back fine, but you've lost any unsaved work .....
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Mar 16, 2013
I don't know why my laptop goes into sleep mode but not in the hibernation mode? When ever I click on the hibernation button, the screen goes off for 10 seconds n then lights up again -
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Dec 7, 2014
My Inspiron N7010 was working fine until 2 days ago. I had it playing a movie through the HDMI port to my TV & then the video started to freeze up. Starting the next day, when I tried to start it up, it beeps 8 times & goes to a black screen, then eventually it turns off. I opened it up & re-seated the CMOS battery & checked all the ribbons. Tried holding the "d" key while powering on, the screen cycles through the colors & then goes black & powers off. Tried connecting to 2 different external monitors, could not get a picture on either.
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