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I have a HP ze5300 with this problem I'm seeking to repair. The toughest section up to now is taking away the screws. (This really is the most typical stumbling block in the majority of other sorts of repairs I’ve encountered.)
Most often, every time a laptop screen looses backlight but you still will make out a dim impression around the screen, your problem is usually a faulty inverter board. From my working experience, This is certainly appropriate for most cases although not all of them.
Did you spill beer on the screen or it didn’t contact the screen in the slightest degree? Did you purchase the motherboard from the trusted source?
Regretably, there isn't any way to discover what exactly is Mistaken right until you exam the laptop with a known good backlight lamp and inverter board. No one can convey to.
Initial time I’ve stumble upon this specific situation, the fact every one of the backlights have been in comprehensive swing swayed me for the Liquid crystal display.
The exterior / interior video clip goes black after you touch the keyboard so it’s probable you have anything free (it's possible movie cable or online video card) beneath the keyboard. It's click for more info possible some sort of gounding difficulty. It’s tough to guess right until all connections are checked and reseated.
If a recognised superior inverter board doesn’t help and there's nothing Erroneous Using the lid close switch, You could have a dilemma Along with the backlight you can try this out lamp, motherboard or movie cable. It’s challenging to say which part is failing, probably there is a terrible backlight lamp but This is certainly merely a guess.
When you've got a foul backlight lamp, you still must see an exceedingly faint picture over the laptop screen. You pointed out that there's no image in the slightest degree, so I don’t Feel this is the undesirable backlight lamp.
In which do you buy an inverter? I've an HP L2005CU using a failing inverter. I’m really positive it’s the inverter because it works beautifully having an exterior check and also the inverter area of your screen buzzes just prior to the backlight shuts off.