Question about Acer PC Laptops
My Acer Aspire 5610z laptop lcd picture is breaking up and going blank after switch on.
I have changed the lcd inverter board and power leads but this has not solved the problem.
It has been possible to gain a picture (with difficulty) by going through makeshift procedures. The makeshift procedures were more effective, the longer the laptop was switched on (when the circuitry has warmed up).
1. When the problem first started happening, swinging the screen back and forth brought back the picture. This has become less effective.
2. The next thing I tried was removing the battery and starting the laptop on its mains supply.
This resulted in the picture coming on for a short period when cold.
3. I removed and inserted the mains supply repeatedly until the picture stayed on.
The picture stayed on for longer but still went off during the desktop loading period.
4. I then went through procedure 3. again and this time inserted the battery when the desktop started loading.
This resulted in the picture staying on for an hour or more but eventually going off again.
All of the above symtoms and procedures had been happening and tried when I used my laptop on my lap.
5. I moved my laptop onto a table with the power supply transformer next to it so there was no possibility of movement.
This resulted in a broken picture for a one or two seconds before going off.
I pulled out the mains supply and reinserted it and switched the laptop on. This resulted in the picture staying on for as long as the power supply was connected.
I understand that the above makeshift procedures are a temporary measure for me, until I find the correct solution.
The symptoms above remind me of intermittant faults caused by dry joints or components on their way out.
I suspect that a voltage that enables the lcd picture, is being impeded by poor conductivity of solder joints or components. The use of the mains supply appears to provide a voltage surge that overcomes obstacle to initiating the picture. The stability provided by the table and inserting the battery appears to provide the voltage stability necessary for maintaining the picture.
As I have said above this is only a tempory measure for me, can anybody please provide the correct solution?
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