1) The BIOS: BIOS Version/Date Alienware A10, 7/13/2015
2) See if upgrading the BIOS improves stability: BIOS: A10 > A12
3) Open file explorer > this PC > C: > in the right upper corner search for C:\windows\memory.dmp
4) If the memory.dmp file is < 2 GB then zip > post one drive or drop box share link into the thread
5) For any BSOD look as soon as possible for the memory dump > zip > post a one drive or drop box share link
6) List all of the antivirus/firewall software in use on the computer (always on and manual)
7) Run the Dell full diagnostic tests:
Support for Alienware X51 R2 | Diagnostics | Dell US
(report the test results into the thread)
8) Open administrative command prompt and type or copy and paste:
9) sfc /scannow
10) dism /online /cleanup-image /restorehealth
11) chkdsk /scan
12) When these have completed > right click on the top bar or title bar of the administrative command prompt box > left click on edit then select all > right click on the top bar again > left click on edit then copy > paste into the thread
13) To ensure that there are no improper bios settings please reset the bios.
14) Sometimes there can be failure to boot after resetting the bios.
15) Backup the computer files to another drive or to the cloud.
16) Make a backup image using Macrium:
Macrium Software | Macrium Reflect Free:
Macrium Software | Macrium Reflect Free
17) And please create a brand new restore point.
How to Clear Your Computers CMOS to Reset BIOS Settings:
How to Clear Your Computer’s CMOS to Reset BIOS Settings
3 Ways to Reset Your BIOS - wikiHow:
How to Reset Your BIOS