I have a satellite L755 and my HDMI port does not work any more

As far as I can see this model has no sim card slot
https://www.cnet.com/products/toshiba-satellite-l755/specs/

"The screen is a 15.6? diagonal widescreen TruBrite TFT display with a native resolution of 1366×768. This display is LED backlit and a 16:9 aspect ratio."
(Driving this display is the Mobile Intel HD graphics chip. It supports 64-1696MB of shared video memory. This is not the card to play video games with.")
From: http://www.bbspot.com/reviews/toshiba-satellite-l755-s5216-laptop-with-intel-pentium

You can use a VGA cable to connect the VGA out port of your laptop to externel monitor.


If your Laptop and Monitor has HDMI port, you may use that.

Try the user manual here: http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/modelContent.jsp?ct=DL&os=&category=&moid=3025240&rpn=PSK1WU&modelFilter=L755-S5244&selCategory=2756709&selFamily=1073768663

probably your screen has to replaced due to malfunction of card that drives the screen and comes with the screen. some people tried to repair some could and others could not

Available here: http://www.retrevo.com/support/Toshiba-L755-S5242-Laptops-manual/id/23969ci476/t/2/

Please Thumbs up

Try plugging hdmi cable into hdmi 1 on your TV, then open the menu on TV and find the place it lets you to make selections on this, such as Satellite or hdmi 1. One of these selections have to work.
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does the hdmi port gets detected when you try in other hdmi ports.if not getting detected then it can also be fault in the hdmi ports.because as you said that hdmi port number 1 works.that means wires are proper.but other hdmi ports not working that means the ports are faulty if all the setting are proper in setup.
as the ports are soldered to the unit internally.if the soldering gets loose the connection will not get complete.so re-soldering is required to the loose ports.

if you are not familiar with doing this you can get it done by local repair technician familiar with this model .
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This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya.

next to the F1 key and the windows key (2nd upper key and second to last key) are two screws, usually under some covering. unscrew and lift top edge of the keyboard towards the trackpad to lay face down. Undo the wire ribbon by lifting the grey or brown tabs and remove ribbon and keyboard. Then install the new keyboard by inserting the ribbon on the place. Lock down with the tabs and put the plastic prongs (close to the space bar) into the laptop body first, and then close keyboard onto the final position. screw back in and thats all. [email protected] for any additional questions.

press and hold fn and press f11.it sounds like you activated the sticky keys