Quick dock connection to monitor doesn't seem to work
It was OK two days ago, last I used it....powered up dock, booted up laptop, plugged in, and...no video. I have sound, I have printer connection, the monitor is on, but remains in standby mode (blinking power light) I've tried rebooting, shutting the whole darn works off and restarting, reconnecting all cables. What's up?
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A docking station is an extension or addition of ports for a laptop computer. Once the portable computer is docked, you can access the docking station's ports, such as PS/2 or USB 2.0 ports, through your computer. Some docking stations have monitors that you can connect your computer to, placing your video on an external screen so you can turn off your computer's monitor and conserve some of your computer's energy. All Dell docking stations will have the same general troubleshooting steps.
Plug your laptop's power adapter into the docking station and dock your laptop onto/into the docking station. If there is no power going to your laptop from the docking station but it works when the power adapter is plugged into the wall, the docking station is bad and needs to be replaced. Plug your power adapter into the docking station and dock your laptop onto/into the docking station. If power goes on but your computer doesn't recognizes accessories such as a USB mouse--plugged into the docking station, try a different port on the station. If it works in a different port, the previous USB port is burned out. Plug your power adapter into the docking station and dock your laptop onto/into the docking station. If power is going through the docking station but no accessories are being recognized, you might have a corrupted docking profile. Undock the computer and dock it again once it has fully started up to reset the docking profile. Plug your power adapter into the docking station and dock your laptop onto/into the docking station. If you have an external monitor and it is not working, completely close the lid on the laptop so the image will move to the external monitor. Plug your power adapter into the docking station and dock your laptop onto/into the docking station. If power is going through the docking station but no accessories are being recognized and resetting the docking profile fails, update all drivers through Dell's support website and then re-dock the computer. Some of the software that runs the hardware may have become corrupted. Hope this helps
Does the screen show anything at all during boot-up (BIOS screen, startup info?) If so, try connecting an external monitor after startup and see if the issues persist when setting the video output to the external monitor. If that doesn't work try booting in safe mode to last known configuration that worked (usually done by hitting F2, F5, or F8 shortly after powering on.
no laptop stated ok W7 OS, nice to know.
nor external model screen stated
try a different external screen
any shop can fix it, ask them
no need to ship anything
get it checked out by a technician
we can test all 3 parts and tell you whats worn i minutes.
i can not understand your post
try to be more clear
does local LT screen work ok
does using a known directly connected screen (VGA)
on the LT you must turn on external screen using the fn hot key
the the external works,. do so, now
if both internal and external fail the LT is bad, guess, bad GPU chip
if only external fails, try a known working external screen
if that works your external is bad.
the docking is last, and if only it fails, then ITS BAD.
Disconnect the monitor from the docking station and plug it directly in the laptop connector. If all is well it might be the docking station. I had one crash a computer and had to rebuild the operating system to make it work again.
have you already tried to power up your laptop without the battery, only with the powersupply docked in?
If this works, you´ll have to replace the battery or use the laptop without a battery.
If this doesn´t work, just take the full battery from the other laptop try to power up the laptop without the power supply docked in.
If this works, your latop motherboard is broken and till it is replaced, you have only the chance to work with a battery and reload it with another latop.
I was having the same problem - the USB ports seemed to have stopped working so I could not use the mouse, keyboard, or printer, even though the monitors and power could still operate through the docking station. Finally, I just unplugged the docking station for 30 seconds, plugged it back in, and everything resumed working. I was surprised it was that simple, but it's working for the moment.
First try on another computer just to see if there is any other problem then the LCD. Also check power supply to the monitor. I believe this has one that's internal, but if external, swap with a similar specs one. If internal, check to see if any popped up capacitors. Video boards are most likely ok.