… is holding the power button in around 2 seconds. It will cause the T400 to shut down normally (assuming that you have it set to shutdown) and holding it for around 5 seconds or more will cause a ‘hard’ shutdown that just turns off everything without letting it load.
… that Wireless and LAN controllers AFAIK are
recognized as Ethernet or network controllers. So assuming the
Broadcom device is for the wireless, it means you need at least one of
LAN to remove yellow mark on the other network controller.
If you’ve got a point let’s look at the list of 12
Dell Network Drivers for Inspiron 1150. Now try to choose Intel
(R) Pro/Wireless 2100 LAN mini PCI Adapter to load. After installed in
your Dell Inspiron 1150 laptop, you should see the yellow …