WLAN down but LAN up

Refer to the video above. This happen at my office. It's been so long this problem has been haunting me. During the first time it happen, i thought i was due to the HP Pro Curve problem. While waiting for the replacement i use Cisco switch. But using the Cisco switch, when the problem happened the light at the port are not statically blinking. After using the Cisco switch but the problem won't go away.

The symptom shows by two different switch are different but the problem remain the same. So it must be some failed device in my network. After getting tired of using short term solution which is plugging out the switch from the network. hehe.. I tried to unplugged cable one by one and suddenly after i plug out one cable from port 46 at the Pro Curve switch, magically the switch start to blinking like normal.

After i check the source, the port is connected to a unmanageable D-Link 8 port switch. So this is the culprit that cause my network problem.

iPhone iPad iOS Cannot Send Email Hotmail - How to

The error that you will received is something like "Message was rejected by the server". This problem was due to you are not logging into your mail using a web browser for sometime i think. Don't know if Hotmail have some kind of rule. I don't have any iOS'ed device but still my job need me to troubleshoot these gadget freak owner who only buy because they have money. duhh...haha

Try to log in to your Hotmail account via web browser and try to send some emails. If you were ask to input some letters of images when sending the email, later after sending the email you will able to send via you iOS. That's it. Trust me.