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what do you mean it wont work the button itself is broke? or when you push it does it just flash then not come onwhat do you mean it wont work the button itself is broke? or when you push it does it just flash then not come on
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If the surface of the "video chipset" (graphics chip) is damaged it may be possible for a specialist, with an Infra Red Workstation to repair it:
Ball Graphics Array Reflow
or
Ball Graphics Array Reballing
These repairs can be expensive and the fault can come back after repair.
But it might also be a fault with the LCD Panel, the Cold Cathode Backlight or the LCD Panel Power Inverter.
Connect the laptop to an external desktop monitor with a VGA cable, using the Fn + F5, F6 or F7 button to send the image to the external monitor. If no image appears, then the fault is with the graphics chip, if you get an external image then the fault is with one of the other components I mention above.
Have you check all connection to see if they are right,
check if no cable was unplug, if you have and yet no picture display, It
could be that the picture board on your monitor has started
malfunctioning, since the power led or button is on, it means the
picture
board of your monitor has developed fault.
The best thing for you
to
do now is to take the monitor to a local repairer within your vicinity
or any service center
to help with the replacement of the picture board
because the fault is not something you can fix yourself, in order not to
complicate issues.
try and play with the power cord a little.....or it Sounds like a back light issue in the screen not a hard fix and could be a cheap fix it you take it to the right person ......
Sounds like a video problem with the GBA (grid Ball array) The HP pavilion tx series are notorious for this problem. The solder on the bottom of the video circuit crystalizes from the heat (these laptops run hot) and then it doesnt make a good connection. You have to reflow the solder (usually means taking apart or sending to a shop). But I found a quick and easy fix for them, I fixed about a dozen already like this in my shop (I own one too) Turn on laptop..then wrap it in 2 thick towels so it will get hot..sounds crazy, but it works..leave in towels running for about 30 or 40 minutes, then unwrap the laptop, power it off and restart it..bet it works!!!
Shut down the PC, unplug the power cord and press the power button to discharge the mainboard, wait several minutes and reconnect the power cord and power system up. Even if this works there still may be a video card and/or other hardware problem.
this is similar to the red blinking lights on the xbox360...it seems your cell processor has overheated resulting in a cold solder joints or worse bridged solder involving the BGA array...I have had some success in fixing these albeit limited. SONY charges 150 plus state tax and sends you a refurbished unit. We fix this for 75
does any other monitor work? if not than the video card may be bad. or the settings in the bios may be altered. first try this...unplug the tower, open the case and remove the bios/real time clock (RTC) button cell battery, press the power button to dissipate any voltage that is stored. Re-install the battery, plug tower in and power up. If anything was changed in bios everything would go back to default settings and you would have to enter set up to update date/time etc.
First make sure everything else is getting power and operating okay, and that it is only the LCD display that is non-functional.
If you get no video signal or power at all, even at boot time, you probably have a dislodged ribbon cabling or power connection. Usually when LCD monitors go bad they show colour banding or all white, etc., but usually continue getting power.
As a last resort, try disassembling the lower case (with the power disconnected and the battery out of course) to expose the LCD monitor mounts, and then following the wiring from the screen into the laptop and check for anything loose or disconnected. You could also have a loose ribbon cable going into the LCD array, which will require disassembling the LCD cowling and mounts.
If you are handy and comfortable with electrics and find nothing loose, put the battery in and test the power line going to the LCD backlight, which should be getting above 7V (I think). Below that and you either have a bad video controller or bad wiring/solder joints somewhere. Otherwise, if the unit has been dropped or had a hard life generally, it could also be the connections between the LCD connector bus on the monitor array and the array itself. As a last resort, try unplugging and reconnecting all ribbon and connector cables, cleaning the exposed brass coloured runners lightly with rubbing acohol or even a pencil eraser.
what do you mean it wont work the button itself is broke? or when you push it does it just flash then not come on
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