Ecran bleu de la mort, Ataport.sys

Bonjour,

J'ai eu récemment des écrans bleus intempestifs , j'ai donc voulu chercher la source du problème et un ami à moi m'a conseillé d'utiliser WhoCrashed et voilà ce qui me révèle Crash dump directory: C:\Windows\Minidump

Crash dumps are enabled on your computer.

On Tue 22/07/2014 10:30:44 GMT your computer crashed
crash dump file: C:\Windows\Minidump\072214-16520-01.dmp
This was probably caused by the following module: ataport.sys (ataport+0x1C4AC)
Bugcheck code: 0x7A (0xFFFFF6FC400063C0, 0xFFFFFFFFC0000185, 0x4FF09860, 0xFFFFF88000C784AC)
Error: KERNEL_DATA_INPAGE_ERROR
file path: C:\Windows\system32\drivers\ataport.sys
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: ATAPI Driver Extension
Bug check description: This bug check indicates that the requested page of kernel data from the paging file could not be read into memory.
The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system that cannot be identified at this time.

On Tue 22/07/2014 10:30:44 GMT your computer crashed
crash dump file: C:\Windows\memory.dmp
This was probably caused by the following module: ataport.sys (ataport+0x1C4AC)
Bugcheck code: 0x7A (0xFFFFF6FC400063C0, 0xFFFFFFFFC0000185, 0x4FF09860, 0xFFFFF88000C784AC)
Error: KERNEL_DATA_INPAGE_ERROR
file path: C:\Windows\system32\drivers\ataport.sys
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: ATAPI Driver Extension
Bug check description: This bug check indicates that the requested page of kernel data from the paging file could not be read into memory.
The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system that cannot be identified at this time.

On Sun 20/07/2014 13:57:17 GMT your computer crashed
crash dump file: C:\Windows\Minidump\072014-16754-01.dmp
This was probably caused by the following module: ataport.sys (ataport+0x1E93C)
Bugcheck code: 0x7A (0xFFFFF6FC40006E58, 0xFFFFFFFFC0000185, 0x9EBA860, 0xFFFFF88000DCB93C)
Error: KERNEL_DATA_INPAGE_ERROR
file path: C:\Windows\system32\drivers\ataport.sys
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: ATAPI Driver Extension
Bug check description: This bug check indicates that the requested page of kernel data from the paging file could not be read into memory.
The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system that cannot be identified at this time.

J'ai vérifié ma RAM plusieurs fois séparément, tester mon disque dur avec HDtune il marque que mon disque est OK.