In [http://www.dell.com/support/article/au/en/aubsd1/sln290316/how-to-use-and-troubleshoot-the-vostro-3446?lang=en|your model laptop], 8 beeps on startup indicate a LCD failure. Here is an image taken from the link.
[image|1454229]
(click on image to enlarge for better viewing)
Here is a link to the [http://downloads.dell.com/manuals/all-products/esuprt_laptop/esuprt_vostro_notebook/vostro-14-3446_owner%27s%20manual_en-us.pdf|Owner manual] for your laptop.
Scroll to p.25 to view the necessary pre-requisite steps and then the procedure to remove the LCD assembly.
It is useful as it shows you how to gain access to check if there is a problem with the video flex cable (or the connections of the cable at either end).
Given that you say that it does work after moving the lid up and down multiple times it may be wise to check this first, as the cable passes through the hinge area between the case and the lid.
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Also check if there is an image detectable by using a torch shone closely at an angle to the screen. If you can detect an image then there is a backlight problem. Again given your description, check the video cable first.
+
With the laptop turned on, also check if there is an image detectable by using a torch shone closely at an angle to the screen. it will be very faint if it is there. If you can detect an image then there is a backlight problem. Again given your description, check the video cable first.
In [http://www.dell.com/support/article/au/en/aubsd1/sln290316/how-to-use-and-troubleshoot-the-vostro-3446?lang=en|your model laptop], 8 beeps on startup indicate a LCD failure. Here is an image taken from the link.
[image|1454229]
(click on image to enlarge for better viewing)
Here is a link to the [http://downloads.dell.com/manuals/all-products/esuprt_laptop/esuprt_vostro_notebook/vostro-14-3446_owner%27s%20manual_en-us.pdf|Owner manual] for your laptop.
Scroll to p.25 to view the necessary pre-requisite steps and then the procedure to remove the LCD assembly.
It is useful as it shows you how to gain access to check if there is a problem with the video flex cable (or the connections of the cable at either end).
-
Given that you say that it does work after moving the lid up and down multiple times it may be wise to check this first.
+
Given that you say that it does work after moving the lid up and down multiple times it may be wise to check this first, as the cable passes through the hinge area between the case and the lid.
Also check if there is an image detectable by using a torch shone closely at an angle to the screen. If you can detect an image then there is a backlight problem. Again given your description , check the video cable first.
In [http://www.dell.com/support/article/au/en/aubsd1/sln290316/how-to-use-and-troubleshoot-the-vostro-3446?lang=en|your model laptop], 8 beeps on startup indicate a LCD failure. Here is an image taken from the link.
[image|1454229]
(click on image to enlarge for better viewing)
Here is a link to the [http://downloads.dell.com/manuals/all-products/esuprt_laptop/esuprt_vostro_notebook/vostro-14-3446_owner%27s%20manual_en-us.pdf|Owner manual] for your laptop.
Scroll to p.25 to view the necessary pre-requisite steps and then the procedure to remove the LCD assembly.
-
It is useful as it allow you to check if there is a problem with the video flex cable (or the connections of the cable at either end).
+
It is useful as it shows you how to gain access to check if there is a problem with the video flex cable (or the connections of the cable at either end).
Given that you say that it does work after moving the lid up and down multiple times it may be wise to check this first.
Also check if there is an image detectable by using a torch shone closely at an angle to the screen. If you can detect an image then there is a backlight problem. Again given your description , check the video cable first.
Hi,
In [http://www.dell.com/support/article/au/en/aubsd1/sln290316/how-to-use-and-troubleshoot-the-vostro-3446?lang=en|your model laptop], 8 beeps on startup indicate a LCD failure. Here is an image taken from the link.
[image|1454229]
(click on image to enlarge for better viewing)
Here is a link to the [http://downloads.dell.com/manuals/all-products/esuprt_laptop/esuprt_vostro_notebook/vostro-14-3446_owner%27s%20manual_en-us.pdf|Owner manual] for your laptop.
Scroll to p.25 to view the necessary pre-requisite steps and then the procedure to remove the LCD assembly.
It is useful as it allow you to check if there is a problem with the video flex cable (or the connections of the cable at either end).
Given that you say that it does work after moving the lid up and down multiple times it may be wise to check this first.
Also check if there is an image detectable by using a torch shone closely at an angle to the screen. If you can detect an image then there is a backlight problem. Again given your description , check the video cable first.
Hopefully this is of some help.