Question about Toshiba Satellite Pro 470CDT Notebook

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Cant Display unless I give it 30 munites.

Hello Great house, My 460CDT wont display on the screen any time i force the power off, and try to power it on again the display button will be showing green light but the A button on the Keyboard will be blinking continuosly.
unlesss i turn it off and give it say 30 minutes before turning it on again before it can display on the screen again. What can i do?

Posted by on

  • william Karmah May 05, 2008

    it is not monitor proplem. because after the 30 minutes of cooling down when i switch it on it comes on and display. i was thinking if it has to do with the cmos or chips cooling down.

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  • 134 Answers

Connect an external monitor, to initially see if it's related to your screen or the inbuilt video card. There will be a key combination on the keyboard to activate the external monitor. Pls report the results here. And whats "Hello Great house"??

Posted on May 04, 2008

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Hello, a few months ago when i started my laptop a135-s4427(psadou-03h00p) the color of the starting logo was a bid redish while on desktop or opening a page it recovers plus a bit flickering. last week...


If you power it on and you see an image but it then goes black, that means your screen and components is/are working fine. There is a loss of "communication" from the motherboard to the video controllers and drivers to the screen. If you do see an image for a split second at bootup but it then disappears, your screen is fine. If your screen was bad you would not see anything. I suggest you not spend a dime with that "expert" because it sounds like they are just trying to make a buck. It will not resolve your issues by replacing the screen.

Here are a few things you can try:

* Pull the battery out of the laptop and remove the power cord. Press the power button and hold it down for 20-30 seconds. This is to drain any and all residual power from the laptop. Then release the power button, put the battery back in, plug back in the power cord and attempt to power up.

* Keep screen at 30 degree angle (just wide enough to reach in and press power button). There could be a malfunction with the sensor that detects the lid being open or closed. Once the power button is pressed, keep the lid at the angle (partially closed) and see if it boots up. Give it a full three minutes or so to see if it works.

* Try the combination of the function keys that are meant to switch the display to external.... It is different for different computers. Normally it will consist of something like FN + f4. Try looking for the little icon to indicate an external display. You can also try using these combinations of function keypresses: Alt+Ctrl+F1 and Alt+Ctrl+F3 and Alt+Ctrl+F11

* Check and see your display hardware/drivers/onboard controllers functionality - if you connect an external display you should see your desktop without a hitch.



If none of the above helps, please let me know and I will continue to assist you in troubleshooting.

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The computer's power management system automatically blanks the screen to save power. Press any key to turn the display back on, three hings might be the cause:

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*If the sleep indicator is lit, the computer is in sleep mode. Press and release the power button to resume.

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