Hi,

I am using the Dell Latitude E5500.

Recently, I got a problem with USB hub. 

Fortunately, the laptop can recognize my wireless USB mouse, wired keyboard (new keyboard cannot be recognized, only old one). The mouse, only works with one particular USB hub. The problem is the printer. It had been worked before, but one day, I suddenly got the error message that the device cannot be detected. So, I went to HP website, and reinstall the drive, but I found that since the laptop can't detect the printer, it cannot be installed. I searched numerous websites, and realized that it is the problem of the USB hub. Lots of websites recommend to update the USB hub driver, but most of articles and Youtube are scam..I also checked Dell website, but there was no drive for updating the USB hub. If I go to the Devices and Printers, the printer is shown as unspecified and the properties said that "The drivers for this device are not installed (Code 28)". In Device Manager, Other devices (HP LAserJEt M1522n MFP, & USB 20. Hub) is marked as yellow question mark. I have tested the printer with other laptop and it worked well. So, the condition of printer is ok. I also updated the Window (I am suing Windows 7 Enterprise, 32bt). 

I did all thing what I can do..and now I have no idea what else can I do.

Please help!