Help needed: Laptop screen goes black when HDMI cable is connected

M

missmfarag

New Member
Hello,

My laptop's screen goes black when I connect it to the TV via a HDMI cable, however this is completely new as it used to work fine. I can still watch things on my TV but I have to look at the TV screen where text comes up quite small and it makes it hard to do stuff, so I was wondering if anyone would know why my laptop's decided to start doing this, and how I can get it back to both screens working at once? The volume and everything else works ok, it's just a bit annoying is all!

I have Windows Vista Home Edition, not sure of the details, but I got it just when Vista first came out.

Thanks!
 

My Computer

System One

do you have your drivers set to "clone mode" in your CP? (the bit where you set up multiple displays
 

My Computer

System One

  • Manufacturer/Model
    Custom Build
    CPU
    Intel Q9550 @ 4Gig / Titan Fenir
    Motherboard
    XFX 780i
    Memory
    4GB OCZ PC2-8500C5 DDR2
    Graphics card(s)
    Gainward GTX260/216 SLI
    Sound Card
    Creative X-FI Xtreme Gamer
    Monitor(s) Displays
    Dell UltraSharp 2209WA 22"
    Screen Resolution
    1680x1050
    Hard Drives
    western digital raptor 10000rpm sata
    PSU
    OCZ Modstream 700w
    Cooling
    Titan Fenir
    Mouse
    Logitech G5 Gamer
    Keyboard
    Razer Reclusa
    Internet Speed
    8mb
no worries :) Now fill in your system spec incase you need to come back!! ;)
 

My Computer

System One

  • Manufacturer/Model
    Custom Build
    CPU
    Intel Q9550 @ 4Gig / Titan Fenir
    Motherboard
    XFX 780i
    Memory
    4GB OCZ PC2-8500C5 DDR2
    Graphics card(s)
    Gainward GTX260/216 SLI
    Sound Card
    Creative X-FI Xtreme Gamer
    Monitor(s) Displays
    Dell UltraSharp 2209WA 22"
    Screen Resolution
    1680x1050
    Hard Drives
    western digital raptor 10000rpm sata
    PSU
    OCZ Modstream 700w
    Cooling
    Titan Fenir
    Mouse
    Logitech G5 Gamer
    Keyboard
    Razer Reclusa
    Internet Speed
    8mb
Hi,
Toshiba Satellite U400-157
Windows Vista Home Premium Intel Core(TM)Duo CPU [email protected]; RAM 4.00GB
Display Adapter: Mobile Intel(R) 4 series Express Chipset Family
Stage 1
Laptop connected to Panasonic LCD 42" with HDMI cable
Both LCD screen and laptop monitor diplay correctly
Able to change display settings and control cursor at laptop
Everything is working fine

Stage 2 two weeks later
When HDMI cable is connected, Laptop screen goes black, but the LCD screen works fine and the cursor appears on the LCD and can be controlled by the laptop

Stage 3 two weeks later
When HDMI cable is connected, Laptop screen goes black, LCD screen is blank, no cursor visible
I right click laptop screen, go to Graphic Properties>Display settings and try and change the Operating Mode: from Single display to Two
Primary Device: LCD
But these choices are not available.
I go to Control Panel> Personalization> Display Settings
Drop-down menu shows
1. Generic PnPMonitor on Mobile Intel(R) 4 series Express Chipset Family
Select down arrow
2. (Default Monitor) on Mobile Intel(R) 4 series Express Chipset Family appears

Connect HDMI cable and try again
I have two Black Screens ...!

Yelp, help, please ...
TIA
Mukund
 
Last edited:

My Computer

System One

  • Manufacturer/Model
    Toshiba Satellite U400-157/Model No. PSU44E-01400GAR
    CPU
    Intel Core2 Duo
    Motherboard
    T5900 @ 2.2GHz
    Memory
    4 GB
    Graphics card(s)
    Display Adapter: Mobile Intel(R) 4 Express Chipset Family
    Mouse
    touchpad
    Internet Speed
    broadband 500KBps
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