I hear programing on my computer built in speakers (acer 7520-5181)
could this be audio rectification ?
I diconnect the computer completely from the network but still hear the audio.. this is sporatic and not constant
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There may be one available as a block diagramme for a fee on a web site somewhere but that is not common.
Most manufacturer trained computer engineers know how motherboards work alongside the firmware and chosen software so there is no call for them.
I would suggest you try safe mode.
Safe mode is a troubleshooting option for Windows that starts your computer in a limited state. Only the basic files and drivers necessary to run Windows are started. The words "Safe Mode" appear in the corners of the display to identify which Windows mode you are using. If an existing problem does not reappear when you start in safe mode, you can eliminate the default settings and basic device drivers as possible causes.
If you don't know the cause of the problem, you can use the process of elimination to help you find the problem. Try starting all of the programs you commonly use, including the programs in your Startup folder, one by one, to see if a program might be the cause of the problem.
Follow the steps to boot the computer in safe mode with networking:
1. Restart your computer if it is powered on.
2. Tap the F8 key after your computer initially powers on.
3. Once you see the Advanced Boot Options menu you can stop tapping.
4. Use the up/down arrow keys to highlight your selection.
5. Select Safe Mode with Networking and press Enter.
6. You should see drivers loading, and then please wait.
7. You should then be at the Welcome Screen.
8. Logon to your computer using an account with Administrator privileges.
Generally, connecting phones via bluetooth to a laptop just allows for file transfer between the two devices. It is not to input sound from the phone through the speakers of the laptop. You would need a bluetooth audio device for that such as bluetooth speakers or headphones
try checking windows control panal too see if you have drivers installed. if o.k. try sound icon to see if you have ticked mute box. here's the one that got me,the dvd playing program had the mute box ticked. re-launch dvd played/media played and un-tick. good luck
The Acer Aspire is a high-performance laptop that includes a fast processor, widescreen display and an internal wireless card. In addition to these premium features, certain models also include one-touch Bluetooth access. If you have an Acer, enabling the Bluetooth is very easy and will only take a few seconds.
1.Turn on your computer and wait for Windows to fully boot. Then log in as an administrator. You will not be able to use Bluetooth under a non-administrator account.
2.Press the button with the Bluetooth symbol on the left side of the computer. This will launch the Bluetooth utility. From here you can sync and manage Bluetooth peripherals.
3.Press the Bluetooth button again to disable Bluetooth. This will disable all connections, but the utility will save your settings so the same devices will sync with the computer again when Bluetooth is re-enabled.
For Acep Aspire 504x model systems that have Bluetooth built in, there is an on/off switch located in the front of the system.
For systems with bluetooth built in there will be two buttons next to each other just left of the mic and headphone ports.
The left of the 2 buttons is the bluetooth switch and the right of the 2 buttons is for 802.11 wireless.
If you only have 1 button then you do not have bluetooth built-in. You can also check to see if bluetooth is included by looking at the bottom, if Bluetooth is installed there will be a white FCC lebel with the name Bluetooth written on it.