Bluetooth connection issues with ThinkPad E520 1143A47

It's the same with my phone when I even have an e520, but it's good to reinstall the latest Bluetooth driver. Now there is no problem with Bluetooth even kits and passing things. You try to manually uninstall the driver and then the next latest one on the official website.

Hello! Your process still has a certain degree of complexity, you can **Lenovo client and Lenovo after-sales engineers one-on-one to solve the problem, they are all from 9 o'clock in the morning to 9 o'clock in the evening, which is very convenient. **Here's how:

Other questions can also be compared in these two forums, the idea forum, the think forum.

Hope it helps, thank you.

Run it as a computer administrator and set the program running permissions.

Dear Lenovo users, hello!

Right-click on Computer - Management - Device Manager - to see if you can see: Bluetooth radio transceiver.

Check whether Bluetooth is enabled in Windows 7: Bluetooth Support Service

1. If the device manager can't find the device, press the F8 key on the keyboard to turn on the switch. Click on the individual control below to turn on Bluetooth in the single control.

If the wireless Bluetooth interface cannot be called, install the power supply and hotkey driver correctly.

2. Reinstall the Bluetooth driver ThinkPad Bluetooth:

3. If it is still invalid, restore the BIOS default device

When the ThinkPad logo appears on boot, press F1 to enter the BIOS, press F9, select Yes to restore the default settings, then press F10, select Yes to save and exit.

If you can enter the system normally after restoring the BIOS default, you do not need to make the following modifications. If you can't enter the system after recovery, the system prompts that the hard disk cannot be found or the blue screen, you need to change the hard disk to compatibility mode in the BIOS, and the modification method is as follows: go to BIOS-> Config->Serial ATA (SATA) and put "SATA CMNTROLLER Mode Option:".

Change the ahci after the item to compatibility, then press f10 and select yes to save exit).

4. Go to BIOS and select Security --I O Port Access --Bluetooth is enabled

5. If it doesn't work, it is recommended that you back up all the important data on the disk and try to reinstall the operating system. If it doesn't work, send it to the nearest local service station to test the Bluetooth hardware.

You can check the service station through the following connection: Working hours: Monday to Friday (some service stations will be marked on Saturday and Sunday).

Check to the computer device management to see if the Bluetooth driver is disabled, such as disable-enable! If it is normal, go to the following service to view, click on the upper right side to see if it is disabled.

Reasons why the notebook ThinkPad E531 Bluetooth module does not work:

1. Bluetooth drive fails and does not supply power. This issue should be resolved by installing the driver detection software and updating the installed driver.

2. The Bluetooth module is disabled. Just undisable it from Device Manager.

3. The Bluetooth module is damaged. The hardware module is damaged and can only be repaired and replaced.

1. First in the control panel All control panel items, find the device manager to open, see if the computer has a Bluetooth module, if there is no Bluetooth driver or the Bluetooth driver is too old, it can not be used, please go to the official website to update and install.

2. Right-click on the computer icon and select "Management", then select "Services and Applications" - "Services" - find Bluetooth Service, Bluetooth Support Service, Print Spooler Service, double-click these services respectively to open, and set these three services to "start" or "automatic".

3. The shortcut key for the Bluetooth function and the wireless function is the same, press the FN+F5 button to turn on the Bluetooth module! The computer opens this path control panel Hardware and sound devices and printers, click Add Device, then Bluetooth will start to search for Bluetooth devices, when the display of devices is displayed, click on it, and follow the steps to connect.

Dear Lenovo users, hello!

If the operation is slow, you can go to the safe mode test to see if it is normal, and then check the startup status and delete some software programs that you don't usually use.

Troubleshoot the launch:

Press the "Windows" key + "R" key in the system to open the running window, enter "msconfig" in the window, and then click "OK", enter the "System Configuration Utility", find the "Enable" or "Startup" tab, in which you can see the corresponding startup items, you can use the dichotomy to make a judgment, first disable half, and then start the other half, use the test, if it can be used normally, then it has nothing to do with this half of the project that has been started, The problem is in the other half of the startup items that are disabled, please use the same method to troubleshoot the other half. Until you find out the appropriate program to uninstall it.

If Power Management is installed, then press the FN hotkey to turn on the wireless card device and observe whether the wireless network is enabled.

3. If the wireless network is blocked by different software conflicts or anti-virus software, please uninstall this attempt first to see if the anti-virus software is installed in your software, such as 360 anti-virus. Security Guard and QQ Manager are installed at the same time, please uninstall them all and try again.

If the above still does not solve the problem for you, please connect to Lenovo service.

This connection can query the Lenovo service location.

The network card driver is not installed, just install a network card driver.

The wireless switch turned the wireless off.

Press F9 to turn on Bluetooth, if there is no response, you need to install the hotkey driver and Bluetooth driver, of course, you need to press F9 to turn on Bluetooth before you can install the Bluetooth driver.

ThinkPad notebook Bluetooth does not have a hardware switch, it is mainly controlled through the system, the system is on by default, but it needs to be connected through a simple setup. The specific settings are as follows:

1.In the lower right corner of the taskbar of the Win8 system desktop, click the "small triangle" icon (show the hidden icon), you can see the Bluetooth icon after opening, and right-click "Open Settings".

If the machine has a Bluetooth device, you can turn on the machine's wireless switch to turn on the machine's Bluetooth device.

Hello: It is recommended that you provide a specific host number and we will check whether the machine is equipped with Bluetooth as standard, if it is standard, you can press the F9 key to start Bluetooth.