Power the laptop, and have the CDreader out. and try to clean that lense with a clean cloth After try and see with another cd

Rule out display issues Findout on VERIFIED SOLUTIONS

- Place your device into airplane mode temporarily to reset all wireless connections.  - Go to your device Settings -> Location -> Improve Accuracy -> Disable Bluetooth Scanning   - Go to your Application Manager, and Locate the Bluetooth ......Continue Reading on VARIFIED SOLUTIONS

1. Press the Additional Functions button. 2. Select Communication Settings. 3. Select TX Settings 4. Push the down arrow on the screen until you can select Edit Standard Settings. 5. Select PDF (or other formats) as your default. additional funcitons>common settings>TX functions>Edit standard send settings. Adjust your settings hit OK and store

i think the speaker and the wifi adapter inside the tablet are two different things. the speaker does not have any connection with the wifi adapter. the best thing is to hard reset you tablet but you must backup you data. if you think there some things that are important. i don't know if you know how to do a hard reset. let me know.

First method: Firstly hold down the Power button, until your device is turned on. Then from the home screen open Menu and choose Settings. Select Backup & Reset and tap Factory data reset. Choose Reset device and select Erase everything to begin hard reset operation. Well done! Your  tablet should restart itself right now. ...................................................................................................................................................................... Second method: Start by swtiching off the device by pressing Power button. Press and hold Volume Up + Power key for a couple of seconds. You can release held keys when you see an Android Logo on the screen. To enter the Recovery Mode hold down the Power button for a short while. Afterwards from the menu choose "Wipe Data/Factory Reset" by using Volume buttons to scroll and Power button to select options. Tap "yes" to confirm if you are 100% sure you want to clear all your data. Press Power button to enter option "reboot...

Hi. Better you use USB TO ETHERNET ADAPTER ($15 or lower). plug it in the usb ports you are not so bussy with when you need it.

was that a hard reset?

First tip If your MacBook does not give any signs of life, simply disconnect any peripherals connected to the system (printers, hubs, and even 3rd-party keyboards or mice), and give it another run for the money by trying to turn it on. If it all goes well and your MacBook starts up now, you at least know that the problem was due to a defective device connected to your portable Mac.   Second tip Try unplugging the power adapter from both the electrical outlet and from your MacBook, MacBook Air, or MacBook Pro. Now, make sure the power outlet the MacBook was connected to works by plugging it in any electrical appliance you have nearby. After unplugging the test electrical appliance and verifying that everything is OK with the electrical source, wait a minute or two and just plug the power adapter back into your MacBook and the power outlet.    When you do that, the LEDs on the MacBook’s connector should light up green or amber (depending on your machine’s battery-charge level). If this does not happen, you...

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