hp g72 wireless stopped working

when I went to bed last night laptop worked fine. woke up today & cannot connect to internet. red x thru icon. cannot find my centurylink wireless info. 2 days ago started getting continuous beeping alarm but still boots properly. only problem is no internet connection. am typing this post on wii using same wireless connection. everything worked fine until today. I do have 1button that sticks but not all the time.
I just checked & wired laptop seems to work fine.

Welcome to the forums!

Here's a list of beep codes.

Beep Code:
Description of Problem:

No Beeps
Short, No power, Bad CPU/MB, Loose
Peripherals

One Beep
Everything is normal and Computer POSTed fine

Two Beeps
POST/CMOS Error

One Long Beep, One Short Beep
Motherboard Problem

One Long Beep, Two Short Beeps
Video Problem

One Long Beep, Three Short Beeps
Video Problem

Three Long Beeps
Keyboard Error

Repeated Long Beeps
Memory Error

Continuous Hi-Lo Beeps
CPU Overheating

We have many excellent tutorials here at the forums. Here's one that may help you track down the problem, just click on the link.

Event Viewer - Open and Use in Windows 7


You could also try removing the RAM sticks and re-seating them after blowing off the dust.

Also, have you ran an sfc/scannow to find and possibly repair any corrupted system files?

SFC /SCANNOW Command - System File Checker