Question about Computers & Internet
I've been getting a sporadic double beep since yesterday. A little while ago, it was driving me nuts but at the moment, it's quiet (ah, spoke too soon). I tried several 'fixes' that I found online but none of them worked. Then I noticed that the screen flickers and sometimes the power icon flips from adapter to battery even though the laptop is plugged in and fully charged. This laptop is a little more than a month old - is it possible there's a problem with the power jack already? Thanks!
If it's new, return it A.S.A.P. for repair/replace, Unless it's been damaged or theated harshly, their is no reason for it to be giving you trouble in a month. If the AC jack is pulled, yanked, tugged...etc. it could damage the inside connections of the AC jack.
Posted on Nov 28, 2012
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Posted on Jan 02, 2017
SOURCE: Beeping power adapter
The problem is most likely (85% sure) with the DC Jack itself, that is one of the rarer issues with it. Since it is a 2-state switch, the likelihood of both circuits closing is my guess. And also the cheapest repair. I have been completely through the A75 without a schematic, and have to remember it's quirks in design.
Posted on May 18, 2007
In most cases like that,where we have screen flickering,first look at the graphics card maybe the signal flex from the back of the screen is well fixed on the motherboard.then if it is well fixed on the board you will need to look at the signal board at the back of the screen maybe it is well fixed if it is not well fixed then fix it properly to solve ur problem then if the problem still persist then u will need to disable the VGA in device manager.to get to device manager u will need to open my computer and after that, u can right-click on it and then click on propertise then click on hardware and then click on device manager where u can disable the VGA.
Posted on May 29, 2008
Don't buy a new battery! I was about to and then I found out their was a BIOS problem. I downloaded the update, installed in less than 5 min. The battery charged PERFECTLY
Posted on Nov 14, 2009
Please connect the laptop to an external monitor. If no flickering on monitor screen, from my previous experience, this is more likely loose connection of video cable connected to the LCD. So talk to Acer support again and require the replacement of LCD.
Posted on May 11, 2010
SOURCE: Hellow Dear, My acer aspire 4935
First, you need to make sure your power adapter is providing enough
power to both run the laptop & charge the battery. A very good way
to do this is to compare your laptop voltage & ampere requirements
(written on a sticker on the bottom of the laptop) with the voltage
& ampere ratings of the power adapter. Voltages should be the same,
or the power adapter's voltage about up to 0.5 volts more than the
laptop's voltage rating. Amperage of the power adapter should be at
least equal to or greater than the laptop's rating. It should never be
less than the laptop's rating, or else the power adapter will be
providing insufficient amperes to charge the battery. Of course, the
power adapter's nominal amperage might be ok, but it degraded on usage.
You can verify this by testing using a good or new power adapter.
If the battery did not charge using the new power adapter, take the battery off the laptop, & using a dry tooth brush, scrub in between the fins of the battery connector on the motherboard & on the battery it self, then put the battery back into the laptop & try again.
If this still did not resolve the problem, then the battery itself could be bad. Try it on another laptop, or try a good or new battery in your laptop.
If this did not work, there might be a possibility that the charging circuitry on the laptop's motherboard is defective & needs servicing. In order to do this, the laptop needs to be disassembled & the motherboard checked for defective/burned out components in the area near the DC jack. Any defective/burned out components found should be replaced, or you might need to replace the laptop's motherboard altogether.
Posted on Sep 15, 2010
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