I have a Compaq Presario R3000. One morning it worked just fine, next time i turned it on... nothing. Hooked up to an external monitor... it works... a faint image on the screen is visible of whatever webpage i am looking at. tried the brightness levels an got nothing.. any help is welcome!
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have you any other A/V ports out ie Svid etc if so try that via an A/V lead, if that works reset your bios settings to minimal settings, if that doesnt work search the 'net someone somewhere has had the same problem! try shining a flashlight/lamp onto the screen whilst booting up, if you see anything on the screen then your inverter is definatly gone and yes it could still be your inverter! your laptop may have software/hardware issues with an external monitor?
1. Remove all USB devices such as printers, mp3 players etc etc.
2. Remove the power-cable and the battery
3. Press and hold the power button for 30 seconds
4. Put the power-cable back in but not the battery and none the USB devices.
5. Turn the computer on
Sounds like the auto-dim in the BIOS is set too low. Fortunately the Compaq R3000 allows you to adjust the brightness right from the keyboard. Hold down the [FN] function key while tapping the [F8] key will brighten the screen, while [FN]-[F7] will dim it. The settings are different for running on AC power and battery, so you must do each individually.
does the fan work ok? and do you have a laptop holder for it or you just have it on a desk ....get a laptop holder for it if you do not have one and as for the rest goto the power mangment area on the computer and see if the monitor might be on stand by after a few min ...
lets check a couple of things. I'm sure you know that a laptop can be hooked up to a external monitor or projector, There is a button usually F5 Or close to it that will turn your monitor off and send it to the external one. In some models of toshiba this will stay in effect even when you turn it off. You can toggle this setting by holding the FN key down and pressing the appropriate "f" key. try this first before you chuck it. There also may be a problem in the bios. Let me know how it turns out. Take care..Be mucho blessed... Mark