Hi Forum,
I am in Europe and my American friend has bought me Aspire Switch 11 Core i5 128GB SSD + 500GB HD. This model is not sold here in Europe.
Symptoms: 1. In tablet configuration works great. 2. After physical keyboard connection system reports new HD (500GB) and everything works perfect for one to five minutes. 3. After 1 to 5 minutes keyboard stops working; also there is no access to HD500GB. 4. Momentary keyboard physical disconnect and reconnect repairs the problem, but only for described one to five minutes and system goes to state as described in point 3.
What is the problem?
Unfortunately US warranty is not honored in Europe 
I installed the newest BIOS and keyboard patch, but that did not help.