![]() when a filter or function driver is installed on the Bluetooth radio device node (devnode). This typically occurs when building up the driver stack for the radio, e.g. There are three broad categories of issues where Bluetooth Reset and Recovery is initiated:īus enumeration failures: The radio fails enumeration or re-enumeration by the underlying bus (for Bluetooth, this is typically USB or UART) as indicated by a visible failed state (yellow bang) in Device Manager, which may be symptomatic of underlying hardware errors.ĭriver enumeration failures: The Bluetooth radio is in a failed state after successful enumeration by the underlying bus. If you are a customer experiencing bluetooth problems see Fix Bluetooth problems in Windows 10. When reinstalling Windows, try the Lenovo disc images, as longer battery times have been reported, probably due to custom drivers.This topic is for developers. A can of compressed air may be useful too, and a bottle of isopropyl alcohol and cotton buds are good for cleaning, but not on the screen. ![]() The only tools you need for servicing a ThinkPad are a set of small screwdrivers and a nylon spudger (for taking the screen and keyboard bezels off), and possibly a pair of tweezers. ![]() ![]() Corporate bulk purchasers don't usually go for it. ![]() Not only will it have better brightness, colour, contrast and viewing angles - you will most probably more than make up the investment when selling it. When buying a new ThinkPad, consider taking the IPS screen option if possible, as it doesn't cost much. When buying a used ThinkPad, remember to check that the BIOS is not locked with a supervisor's password and that Computrace is not enabled and activated. For IBM/Lenovo ThinkPad laptop enthusiasts. ![]()
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