Its Vostro 5470 problem

Hello, a few days ago my laptop has this problem, whenever I use battery, im meaning not charging my laptop... the speaker gives crackling sound... and I have to change the format of its 192000Hz to 96000Hz... It's only works in mode balancing and high performance, but in the case of power gain... I need to change to 48000 Hz... It also happens when my laptop support... then what is the problem? I rarely use my portable speaker because I have external speakers... but this is the first time that this has happened.. .last week portable speaker works perfectly... Why now?

zerogamerz
When I use the battery, which means im not charge my laptop... .He also occur when my laptop support...

Then, it happens all the time, both on battery and when it's plugged in?

zerogamerz
last week work perfectly portable speaker

Try to use the system restore Windows (type in the search box system restore) to return to a date before the problem started.

You can try other things are to download and install a new copy of the Vostro 5470 assistance pageRealtek audio driver, try an older version of the audio, a driver from Realtek website, switch to the native Windows audio driver or perform a System Recovery.

Here are the instructions for switching to the native audio driver:

1. open Device Manager (type devmgmt.msc in the start search box and press ENTER).
2. develop the 'audio controllers, video & game' and right click on "Realtek High Definition Audio" the seller.
3 Select this option to "Update driver software".
4. click on "Browse my computer for driver software".
5. click on "Let Me pick from a list of drivers on my computer".
6. put the "Show compatible hardware" check box if not already checked.
7. in the list of devices, click on 'High Definition Audio"(native driver).
8. click on "next".
9. in the update driver warning box, click 'Yes' (the driver).
10 restart the portable computer if you are prompted. If not invited, so no need to restart.
[To return to the Realtek driver, do it again but reverse the names in steps 1-6.]

Here are the instructions to get a driver from Realtek:

Go to the selection of downloads Realtek page. http://www.Realtek.com.tw/downloads/
On the page, click on 'High Definition Audio Codecs.
Check "I accept", and then click "next".
In the column named "Description" you can find the file named README. Who has the instructions for the installation or update.
In the column named "Download", click one of the server names to download the Readme.
Return to the column named "Description" and select your operating system (and if it is 32 bit or 64 bit) at the top of page 2 choice in the list.
In the column named "Download", click one of the server names to download the driver.

Tags: Dell Laptop

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