Ethernet shield not working

My Ethernet shield is not working
i tried web server example but when i tried to load the page its not loading the page.
i used arduino unoR3 + Ethernet shield
can someone help me to fix this

i tried this code and it gives me this and sometimes
(this code is a testing code)

#include <SPI.h>
#include <Ethernet.h>

byte mac[] = {  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
IPAddress ip(192,168,2,2);

void setup() {

  // disable SD SPI

  // Start ethernet
  Serial.print(F("Starting ethernet..."));
  Ethernet.begin(mac, ip);


void loop() {

plz help anyone???????????????????????????????????????????? :~