Laptop has multiple beeps and power issues

Posted on 2009-12-23
Medium Priority
Last Modified: 2013-12-11
I have a Dell Inspiron E1505 laptop running XP Home, with 512 MB ram.   When it boots through post, I get about 5-10 quick beeps and the LED light flashes with the beeps,.  Then I go into setup and see the Battery health is no longer good and it needs a new battery.  Then I boot it up and the AC/Battery icon keeps flashing back and forth that the battery is charging and then it isn't.   If I take the battery out, the computer dies during bootup.   When I check the power supply on multimeter, it gets about 17.96 volts continuous.  
The next issues are when listening to song list, at times it will automatically switch to the next song like the "next" button is stuck.   Also when in Word or when writing an e-mail, the cursor will rapidly run to the end of the page.  
Question by:syssolut
LVL 12

Expert Comment

ID: 26112506
It sounds like you might have a charging/power circuit problem, although I've not seen these symptoms before.

When the A/C adapter is plugged into the laptop, is there a looseness to the fit?  Can you wiggle it maybe a bit more than you think it should?

The laptop is what, about a year old?  The battery should be fine, and it seems you've taken it out of the picture.

Have you tried reseating the RAM module?  (By the way, when this is fixed, go to at least 1GB RAM for better performance.  www.crucial.com)

After the reseating, try to boot into diagnostic mode (punch F12 {or is it F10?} continuously after the Dell logo page shows up) and let the diagnostics run.  You may also be able to get there by pressing F2 instead and selecting "Diagnostics" from the menu that appears.

Let us know what happened with the tests.
LVL 12

Expert Comment

ID: 26113675
As suggested by spliat do a reset of the RAM module.

I would remove all the accessories and see if  problem persists during  boot up.
If you have similar RAM available replace the RAM and see if the problem is resolved.

Record  observations.

Author Comment

ID: 26117096
I reset the RAM.   But I am still getting 20-30 beeps within about 5 to 10 secs on bootup.   I ran the diagnostics and got issues with "Stuck Keys".   It is saying that "the keyboard is continiuosly transmitting a  scan code".   2c00:0421      
"invalid scan code detected.Expected e04d   read 0001
Error code 2c00:0313
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Accepted Solution

PCBONEZ earned 1000 total points
ID: 26117588
LVL 12

Assisted Solution

asidu earned 1000 total points
ID: 26118161
Likely that your key board is causing a problem. Check if any of the button on the keyboard is stuck which is causing the problem. You may have to replace it with a new one.
Look at the information provided by Dell on how to remove the keyboard.

You could disconnect the electrical connector from the keyboard and motherboard.

I would remove the keyboard and attach an external keyboard to the laptop and test.
Also have a look at the information given by dell at ->>


Author Comment

ID: 26129307
I took off the keyboard and replaced it with a USB keyboard and the beeping stopped.    I put the keyboard back on and the beeping started again.   I will be ordering a new keyboard

Author Closing Comment

ID: 31669409

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