The caller cannot see me although the video says it has started

do you have a multi meter and able to get some readings?

LED LCD TV REPAIR sound but no picture black screen dark picture pt1 check link

There is a small pointer in the front side of your phone (looks like front camera,but its actually not :-( ). This is actually proximity sensor. While you are on call and talking without headphone, it senses the distance between phone and your ear, and quickly disables the screen light with a black screen. It saves battery and also avoids unnecessary touch of your skin while on call. Please make sure theres nothing (phone cover) is blocking that sensor point.
If anything permanently blocking the censor it will never allow you to operate the phone while on call.

Good luck.
Aritra

Hi possible the Video card is busted on the LCD, get in BIOS see if the screen will still remain Bak if it does then the LCD is busted, get in safemode if the issue is still the same then it is the LCD but if there is Video in safe mode the issue is the video card
To get in safe mode keep on tapping F8 as soon as you power the Laptop To get in BIOS keep on tapping Del or F1 as soon as you power the Laptop

CHECK THE BEEP CODES AT HP http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph07107&cc=us&lc=en&dlc=en&product=62740
Follow any instructions on their separate links

It seems you need to go to an Apple lab.

It's hardware malfunction.

Sharon

Here you go
http://www.youtube.com/watch?v=l6GRhsvP-og
get a flash disk and watch the video

this video explainn how to fix bios on the black screen
although yur screen shows the acer logo yu seem to be experiencing some bios trouble
So do the above

Hey,

Either 2 things. Your Wireless Wifi Board has gone bad or it has fallen off.


Open up your nintendo DS and look for the black wire connected to a small board. You will know because there are only 2 wires running in the DS. A white one (microphone) A black one (wifi)

This WIFI board (if gone bad) causes the DS to cut on, but get no video at all.

Check screen brightness.
On keyboard is normally activated by combined FN + Fx keys (F9 or F10).
Check your keytops and/or your user manual.
Using this feature you should be able to restore a standard contrast on your screen.
If it isn't working the only alternative is external monitor.

hey u r in deep trouble u have messed up the o.s now u have to reload the o.s from a recovery c.d....