Question about Acer Aspire 4720 Notebook

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There is a sudden change in the hue of my lcd- acer aspire 4740

There is a sudden change in the hue of my lcd monitor but that sudden pinkish change in hue just takes about less than a minute, then all is back to normal. that sudden change in hue happens about twice everytime a opened my notebook

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  • 633 Answers

It can be an issue with the display cable or the LCD panel itself.
U will have to check with a local tech.

Posted on May 31, 2010

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Hello !

Since an external monitor works, it is the display's backlight or inverter board.

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Pinkish hue now adjusting the green has no effect all red colors are yellow now


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Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

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The problem here is the Acer Aspire One suffers from the black screen of Death, it's a BIOS error I have three Acer Aspire One's and I have had this problem and fixed it.

Here’s what you need:
  1. USB Memory stick (just need one as low capacity as 128mb)
  2. Another PC with a net connection
  3. WinZip, WinRAR, or some other program that can extract zip files.
  4. A quick visit to www.acer.com
  5. Your Acer Aspire One, that will power up/turn on, but the screen does not come on/stays black.
And here’s what you do:
  1. Go to www.acer.com and go through the DRIVER support pages until you get the Aspire One driver page for your relevant Aspire One model (110 or 150 or 751)
  2. Click on the tab on the download area that reads ‘BIOS’ even if it looks like you can’t click on it (their site design grays it out but it’s there) and download the BIOS file numbered 3310 (it might have changed version recently but do it) and don’t worry, you can trust this file, as it’s from Acer directly.
  3. Extract the zip once downloaded and find in the DOS folder the files ‘flashit.exe’ and 3310.fd
  4. When you’ve found them, rename 3310.fd to ZG5IA32.fd and put this renamed file and ‘flashit.exe’ onto the USB memory stick
  5. Put the USB in the Aspire One and hold the keys ‘FN’ (function) and ‘Esc’ (escape) and keep them held when you turn the laptop on
  6. Watch the power button and when it starts flashing, press it once (DO NOT DO ANYTHING ELSE)
  7. You should notice the USB (if it has a light) blinking as well…
  8. The netbook has started ‘flashing’ the BIOS and after about 7 minutes, the netbook should shutdown and reboot itself and VOILA! The screen should turn on just fine.
This is tried and tested. It took me three times because I messed up step 6 a couple of times but my netbook worked after the third attempt.

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The lamps have not failed as you believe Steve. If they fail, then a protection circuit inside will shut them off all together.

Acers have a habit of capacitors failing. This in turn sends dodgy power to the inverter circuit and through to the lamps.

This is not a design flaw, it's just age. Capacitors can die early of course, but it's not common for them to go before the warranty period is up at least. Normally 3-5 years is what you can expect from them.

If you understand electronics then the job will be easy, if not have your local TV tech give it the once over before real damage is done.

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