Number lock blinking while rebooting

[rishu.mohammed]

MY Dell Latitude E6510 laptops number lock will blink and other two indicators will lights steady while i restart. and it will stuck there. but it will boot if i press the power button. and also no issues in normal bootup .. issue only when i restart my computer.And my wifi module also not working.

 

[hang-the-9]

Sounds like your motherboard is failing. Test with one RAM stick at a time if you have more than one or with new RAM. You can buy a new WiFi card and see if that works, if not then the WiFi slot is bad, and bad connections on the motherboard will cause strange things to happen.