Windows 10: So today I turned on my laptop and the screen didn't turn on so I plugged it into my TV and...

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:)

 

enabling viewing of computer content on tv using hdmi cable

yesterday I plugged the hdmi cable into the laptop and the tv and was able to watch a movie. Today I tried doing the same and all I got on the tv was HDMI3 in yellow at the top left hand corner of the black tv screen. There is no picture on the TV screen
- it's just black. I purchased a new HDMI cable, plugged it in turned tv and laptop on same result - no picture on the TV just a black screen.

Any suggestions?

 

laptop won't turn on

Dell Latitude D800

few hours ago i turned the laptop off by going to start menu, shut down, on an xp machine. the computer shut down normally but now when i try to turn it back on, nothing happens for a good 30 seconds then the HDD lights and power lights come on for a few seconds then turn off.

it's weird becasue, from what i have seen, the lights usually come on right away then turn right off (in similar situations) but this thing doesn't even try to turn on for a bit. What could be wrong?

things i have tried:
-removed RAM, battery, wireless card, HDD... nothing happens
-held power button for 10 seconds with battery in and out of machine while and while nt plugged in
-Different power adapters

i am going to check the cmos battery but if anyone has any suggestions it would be appreciated.

 

Screen not turning on

I have an Asus X510ua and my laptop screen won't turn on and the white battery indicator light keeps blinking . But then I connect my laptop to my TV via an HDMI cable and that is working properly and then I restart my laptop and it will turn on and display
comes up. But then again same problem occurs the

next day.

• I have updated all my drivers as well
• I have discharged my battery as well