BSOD

[XiZ]

well its been happening for a few days now. yesterday i was installing a game and after it started, i started fifa and played for some time, then the screen went black and it said " NO VIDEO INPUT" and then "ENTERING SLEEP MODE". now i was downloading a game and started gta iv, played for 5 mins and it did the same but now when i started windows it gave me this:
Windows has recovered from an unexpected error.

Problem signature:
  Problem Event Name: BlueScreen
  OS Version: 6.1.7600.2.0.0.256.1
  Locale ID: 1026

Additional information about the problem:
  BCCode: 7f
  BCP1: 00000000
  BCP2: 00000000
  BCP3: 00000000
  BCP4: 00000000
  OS Version: 6_1_7600
  Service Pack: 0_0
  Product: 256_1

Files that help describe the problem:
http://files.uploadffs.com/9/decf9841/1106091581801.dmp
http://files.uploadffs.com/a/db7ea35d/WE...ysdata.xml

is there a way to fix this except reinstalling windows?