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I try to use my laptop with an external monitor and it all works on the external monitor until it gets to the log on screen when it switches back to the laptop screen.

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This is by windows default open the device mgr. and set the external as default

Posted on Dec 21, 2008

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When booting, screen is divided horizontally so I get two images. When I log into Windows XP, screen goes blank. I can use an external monitor, but laptop screen won't work correctly.


The GPU and system is working, you have proved that with the external monitor. A quick check is to change the resolution to something like 800 x 600. If it is then OK, download a new video driver. If still faulty, replace the screen. Ebay will get you one quite cheaply and utube will show you how to replace it.

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I would like to boot a toshiba satellite m105-s30401 with an external monitor as the laptop screen is busted and i would like to use an external monitor until i get a replacement screen, how do i get


Connecting an External Monitor or Data Projector
You can switch to an external monitor or data projector by two methods. 1. Connect the external monitor to the laptop's video port, power up the external monitor first and the laptop. The video information will automatically switch to the external monitor. 2. If you power up the laptop first then you can switch the video output to the external monitor by pressing the Fn key and one of the Function keys, depending upon your make and model laptop. You can also toggle between the external monitor or both LCD screen plus the external monitor or back to LCD screen only by pressing the Fn key plus one of the function key a few times. Here is a list of key combinations for some of the laptops :- IBM ThinkPad = Fn + F7 HP and Compaq = Fn + F4 Toshiba = Fn + F5 Dell = Fn + F8

Mar 03, 2013 | Toshiba Satellite M105-S3041Notebook

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Compaq Presario CQ50-110US 15-inch Laptop dropped will boot but no video


Your laptop may have a combination of problems. Since the laptop was dropped, it is possible that your may a motherboard that no longer outputs video through the video controller, or the screen may have been damaged internally. Try hooking up an external monitor through the vga output of your laptop, usually located on the side or back of the laptop. If the external monitor works, then most likely it is your screen that's bad, if the external monitor doesn't works, then most likely it is your motherboard that's bad.


Let me know if this helps.

Feb 12, 2012 | HP Compaq Presario CQ50-110US Laptop

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Cannot get the Fn-F5 to work on Acer AspireOne


You can switch to anexternal monitor by two methods.1. Connect the externalmonitor to the laptop's video port, power up the external monitor first and thelaptop. The video information will automatically switch to the externalmonitor.2. If you power up thelaptop first then you can switch the video output to the external monitor bypressing the Fn key and one of the Function keys, depending upon your make andmodel laptop. You can also toggle between the external monitor or both LCDscreen plus the external monitor or back to LCD screen only by pressing the Fnkey plus one of the function key. Here is a list of keycombinations for some of the laptops :-IBM ThinkPad = Fn + F7HP and Compaq = Fn + F4Toshiba = Fn + F5Dell = Fn + F8

Nov 10, 2011 | Acer Aspire One PC Notebook

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Hi there i have a sony viao laptop pcg-7121m, there is no power to the display so when i switch on the laptop the power button lights up but there the screen stays blank, how can i try and trace back the...


Try holding down the function button on the keyboard and tap the F key with the (O) symbol above it, Its the symbol for monitor. You may have to press them a few times. That will toggle computer from its external only monitor mode. If not then hook up an external monitor to the computers vga jack and try again. If you get the external monitor to work that way and not the built on display then the built on display will need replacing and if it does not go to working at all then its most likely a motherboard issue. If the external display does work then you can continue to use it that way until you get the screen repaired/replaced.

Aug 25, 2010 | Computers & Internet

1 Answer

Lcd screen stuck in external screen mode


How to use the function (Fn) keys on the keyboard - ThinkPad T40, T40p, T41, T41p, T42, T42p, T43, T43p


Switching the display output location.
Switch between the computer display and an external monitor. If an external monitor is attached, the computer output is displayed in the following three patterns by turns:
  • External monitor (CRT display)
  • Computer display and external monitor (LCD + CRT display)
  • Computer display (LCD)
Notes:
  • For any operating system other than Windows 2000 or Windows XP, no additional procedure is needed. Just press Fn+F7.
  • This function is not supported if different desktop images are displayed on the computer display and the external monitor (the Extend desktop function).
  • This function does not work while a DVD movie or a video clip is playing.
To enable this function in Windows 2000 and Windows XP, the following procedure is needed:
  1. When you log on to Windows 2000 and Windows XP for the first time, press Fn + F7 and select a display-switching function in the Initial setup window. Since in Windows 2000 and Windows XP multiple users can log on to a single operating system by using different user IDs, each user needs to select the function in the initial setup window when logging on for the first time.
  2. If the Fn + F7 key combination have been assigned to a presentation scheme function, start Presentation Director, and change the settings.

Feb 28, 2010 | IBM ThinkPad T41 Notebook

2 Answers

Can't connect to external monitor or to Sony bravia tv. When vga connected nothing happens at all on laptop but external monitor says " check cable" ( have tried another cable ). If connected in power off...


You need to:

- Connect everything with the laptop turned off
- Boot the laptop
- Use the Fn key plus F8 or F9 (I'm trying from a small picture of the keyboard!) to cycle through the external display options.

Dec 22, 2009 | Toshiba Satellite Pro L300 Notebook

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Settings for dcl lcd monitor


Hi,
Your laptop resolution is greater than the external monitor can handle. From your laptop, try changing the screen resolution to 800x600, if it works, up the ante to 1024x768. You can bring it up again until you find a comfortable screen resolution. You will eventually stop to a point when your external monitor displays about 80% of the laptop screen. That is, back to your original problem. But you get the idea. Cheers!

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