Question about Acer Aspire 7520-5185 Laptop

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I have acer aspire 7520g.I worked on it,power off,and later when I turn it on nothing on lcd. Sometimes on lcd appears some vertical lines pink,green,yellow...Tryed to change memmory,same thing....HELP please

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Try external monitor to check video card.
If that OK then might be video ribbon cable or inverter board - worst case - screen itself.

Posted on Apr 10, 2010

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Posted on Jan 02, 2017

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Hi i have got a new keyboard and wish to change it on acer 7520


taken from http://www.batterycentury.com/acer-aspire-7520g-502g25mi-keyboard-p-152819.html

Acer Aspire 7520G-502G25Mi Keyboard Repair and ReplacementAre you considering laptop keyboard repair? You might think twice if you happen to be the lucky owner of a laptop, because replacing the keyboard rather than repairing it could be a lot less expensive. Laptop keyboard replacement on this particular model is very easy and takes just a few minutes. Here is a quick Acer Aspire 7520G-502G25Mi Keyboard repair tutorial with step-by-step instructions. Once you have purchased the new keyboard, all you need to replace the old with the new is a screwdriver and something plastic, flat and thin like a credit card or guitar pick.
Step one: Remove the two screws from the bottom of the computer that are holding down the Acer Aspire 7520G-502G25Mi Keyboard bezel. The bezel is the bar that sits right above all the function keys.
Step two: Turn the computer over, open the cover and insert the credit card or guitar pick between the bezel and the laptop screen. The bezel has pegs that sit in holes, you need to slowly pry up the bezel. It will make a bit of a popping noise as it is removed.
Step three: Now hold on to the laptop keyboard from the end closest to the screen and gently pull it away from the touch-pad end and flip it over. You will see the ribbon attached to the underside of the Acer Aspire 7520G-502G25Mi Keyboard. There is a little plastic connector holding the ribbon to the computer. To unlock it, carefully pull up on the two tabs; one located on each corner of the connector. Be very gentle when you do this as this is the one part that gets broken the most often when changing a keyboard. The ribbon cable will now be released.
Step four: Carefully pull the ribbon out of the connector and remove it along with the entire Acer laptop keyboard.
Final step: To insert the new Acer Aspire 7520G-502G25Mi Keyboard, place the board face down so you have easy access to the ribbon. Make sure the keyboard is lined up so when you flip it back over the keys are in the correct position. Keep the ribbon straight at all times; twisting it could damage it. Place the ribbon in the connector; it only goes in one way. Once in place, push down on the connector tabs to lock it. Now flip the keyboard over and slide it down toward the touch pad and take the bezel and line the pegs up with the holes and push it in place. Then turn the computer over and replace the two screws you removed from the bottom. You can now power on your computer and see if the Acer Aspire 7520G-502G25Mi Keyboard works. If it is not working, more than likely the ribbon was not inserted properly.

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My Acer Aspire 7520G gives, most of the time, no sound. Problem with the Acer Aspire 7520G 17.0" Laptop Acer Aspire 7520G gives, most of the time, no sound or audio device in windows 7. 2 days ago I...


Try installing the latest audio driver.
Download the drivers from the Acer WEB site. Make sure youselect the model of your laptop and the XP or Vista version of the drivers youthat require and it matches the Windows version that is installed on yourlaptop. Use this link to get to the Acer support: -
http://www.acersupport.com/drivers_download.aspx

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Probably CPU heat related. With power OFF, try spraying compressed air into all vents. If it powers up, spray again with compressed air.

If it persists, you will have to open it up and apply a layer of thermal paste between the cpu and its heatsink.

(This is for others that have a similar problem:
Use laptop on a flat surface, not on a pillow or carpet)

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