The computer freezes or stops at a blue or black screen, or randomly restarts.

The procedure to troubleshoot why the computer freezes or stops at a blue or black screen, or randomly restarts, varies depending on the operating system installed on the computer. Follow the appropriate link below to troubleshoot the issue.

• Windows® 10 operating system
• Windows® 8.1 operating system
• Windows® 8 operating system
• Windows® 7 operating system
• Windows Vista® operating system
• Windows® XP operating system