Aftershock Logo
Knowledge HubBlank Screen or No Display

Blank Screen or No Display

The screen shows vertical or horizontal lines instead of the usual display content
The screen is lit but shows no boot information or operating system
Screen backlight is on, but no images or icons are displayed
External monitor connection results in a blank display
Screen remains black with power on, showing no boot sequence
Display goes black intermittently, but the computer stays powered
Onboard and external displays both remain blank on power up
Monitor shows the brand logo, then goes to a black screen, not reaching the login
Display goes to sleep soon after turning on, without user input
Monitor powers on with a "No Signal" message, despite the computer running
The monitor appears to cycle through colors or shades of gray on startup, then remains blank
Display flickers on startup and then remains dark
Power light on, but the computer is silent with no fan noise
Screen remains black while the computer's power light indicates it is on

Blank Screen or No Display

Blank Screen or No Display

The screen shows vertical or horizontal lines instead of the usual display content

External Cable Check Guide [Complexity: Easy | Time: 5 min | Video]

How to Check Your PC's Internal Cables [Complexity: Easy | Time: 10 min | Tools Needed | Video]

How to Reseat Your GPU [Complexity: Intermediate | Time: 10 min | Tools Needed | Video]

AMD GPU Radeon Adrenalin Driver Reinstall [Complexity: Intermediate | Time: 5 min]

NVIDIA GPU Driver Reinstall [Complexity: Intermediate | Time: 5 min]

Checking Different Displays [Complexity: Easy | Time: 5 min]

The screen is lit but shows no boot information or operating system

External Cable Check Guide [Complexity: Easy | Time: 5 min | Video]

How to Reseat RAM in Your PC [Complexity: Easy | Time: 5 min | Tools Needed | Video]

How to Check Your PC's Internal Cables [Complexity: Easy | Time: 10 min | Tools Needed | Video]

How to Reseat Your GPU [Complexity: Intermediate | Time: 10 min | Tools Needed | Video]

Identifying Debug Lights on a Motherboard [Complexity: Intermediate | Time: 5 min | Tools Needed]

Checking Different Displays [Complexity: Easy | Time: 5 min]

Screen backlight is on, but no images or icons are displayed

External Cable Check Guide [Complexity: Easy | Time: 5 min | Video]

How to Reseat RAM in Your PC [Complexity: Easy | Time: 5 min | Tools Needed | Video]

How to Check Your PC's Internal Cables [Complexity: Easy | Time: 10 min | Tools Needed | Video]

How to Reseat Your GPU [Complexity: Intermediate | Time: 10 min | Tools Needed | Video]

Identifying Debug Lights on a Motherboard [Complexity: Intermediate | Time: 5 min | Tools Needed]

Checking Different Displays [Complexity: Easy | Time: 5 min]

External monitor connection results in a blank display

External Cable Check Guide [Complexity: Easy | Time: 5 min | Video]

How to Power Cycle Your PC [Complexity: Easy | Time: 5 min | Video]

How to Reseat RAM in Your PC [Complexity: Easy | Time: 5 min | Tools Needed | Video]

How to Check Your PC's Internal Cables [Complexity: Easy | Time: 10 min | Tools Needed | Video]

How to Reseat Your GPU [Complexity: Intermediate | Time: 10 min | Tools Needed | Video]

AMD GPU Radeon Adrenalin Driver Reinstall [Complexity: Intermediate | Time: 5 min]

Minimal Peripheral Setup Guide [Complexity: Easy | Time: 5 min]

NVIDIA GPU Driver Reinstall [Complexity: Intermediate | Time: 5 min]

Checking Different Displays [Complexity: Easy | Time: 5 min]

Screen remains black with power on, showing no boot sequence

External Cable Check Guide [Complexity: Easy | Time: 5 min | Video]

How to Power Cycle Your PC [Complexity: Easy | Time: 5 min | Video]

How to Reseat RAM in Your PC [Complexity: Easy | Time: 5 min | Tools Needed | Video]

How to Check Your PC's Internal Cables [Complexity: Easy | Time: 10 min | Tools Needed | Video]

How to Check Your PC's Internal Cables [Complexity: Easy | Time: 10 min | Tools Needed | Video]

How to Reseat Your GPU [Complexity: Intermediate | Time: 10 min | Tools Needed | Video]

How to Reseat a Ryzen and Intel-Based CPU [Complexity: Expert | Time: 15 min | Tools Needed]

Minimal Peripheral Setup Guide [Complexity: Easy | Time: 5 min]

Checking Different Displays [Complexity: Easy | Time: 5 min]

Display goes black intermittently, but the computer stays powered

External Cable Check Guide [Complexity: Easy | Time: 5 min | Video]

How to Power Cycle Your PC [Complexity: Easy | Time: 5 min | Video]

How to Check Your PC's Internal Cables [Complexity: Easy | Time: 10 min | Tools Needed | Video]

How to Reseat Your GPU [Complexity: Intermediate | Time: 10 min | Tools Needed | Video]

How to Check and Reseat Your GPU Riser Cable [Complexity: Intermediate | Time: 10 min | Tools Needed]

AMD GPU Radeon Adrenalin Driver Reinstall [Complexity: Intermediate | Time: 5 min]

NVIDIA GPU Driver Reinstall [Complexity: Intermediate | Time: 5 min]

Checking Different Displays [Complexity: Easy | Time: 5 min]

Onboard and external displays both remain blank on power up

External Cable Check Guide [Complexity: Easy | Time: 5 min | Video]

How to Power Cycle Your PC [Complexity: Easy | Time: 5 min | Video]

How to Reseat RAM in Your PC [Complexity: Easy | Time: 5 min | Tools Needed | Video]

How to Check Your PC's Internal Cables [Complexity: Easy | Time: 10 min | Tools Needed | Video]

How to Reseat Your GPU [Complexity: Intermediate | Time: 10 min | Tools Needed | Video]

Minimal Peripheral Setup Guide [Complexity: Easy | Time: 5 min]

Checking Different Displays [Complexity: Easy | Time: 5 min]

Monitor shows the brand logo, then goes to a black screen, not reaching the login

How to Reseat RAM in Your PC [Complexity: Easy | Time: 5 min | Tools Needed | Video]

How to Reseat Your GPU [Complexity: Intermediate | Time: 10 min | Tools Needed | Video]

How to Check CPU and GPU Temperatures [Complexity: Easy | Time: 10 min]

Display goes to sleep soon after turning on, without user input

Monitor powers on with a "No Signal" message, despite the computer running

External Cable Check Guide [Complexity: Easy | Time: 5 min | Video]

How to Power Cycle Your PC [Complexity: Easy | Time: 5 min | Video]

How to Reseat RAM in Your PC [Complexity: Easy | Time: 5 min | Tools Needed | Video]

Replacing BIOS/CMOS Battery [Complexity: Intermediate | Time: 10 min]

Clearing the BIOS/CMOS [Complexity: Intermediate | Time: 10 min]

How to Check Your PC's Internal Cables [Complexity: Easy | Time: 10 min | Tools Needed | Video]

How to Reseat Your GPU [Complexity: Intermediate | Time: 10 min | Tools Needed | Video]

How to Check and Reseat Your GPU Riser Cable [Complexity: Intermediate | Time: 10 min | Tools Needed]

Identifying Debug Lights on a Motherboard [Complexity: Intermediate | Time: 5 min | Tools Needed]

The monitor appears to cycle through colors or shades of gray on startup, then remains blank

External Cable Check Guide [Complexity: Easy | Time: 5 min | Video]

How to Check Your PC's Internal Cables [Complexity: Easy | Time: 10 min | Tools Needed | Video]

How to Reseat Your GPU [Complexity: Intermediate | Time: 10 min | Tools Needed | Video]

AMD GPU Radeon Adrenalin Driver Reinstall [Complexity: Intermediate | Time: 5 min]

NVIDIA GPU Driver Reinstall [Complexity: Intermediate | Time: 5 min]

Checking Different Displays [Complexity: Easy | Time: 5 min]

Display flickers on startup and then remains dark

External Cable Check Guide [Complexity: Easy | Time: 5 min | Video]

How to Power Cycle Your PC [Complexity: Easy | Time: 5 min | Video]

How to Reseat RAM in Your PC [Complexity: Easy | Time: 5 min | Tools Needed | Video]

How to Reseat Your GPU [Complexity: Intermediate | Time: 10 min | Tools Needed | Video]

How to Check and Reseat Your GPU Riser Cable [Complexity: Intermediate | Time: 10 min | Tools Needed]

Checking Different Displays [Complexity: Easy | Time: 5 min]

Power light on, but the computer is silent with no fan noise

External Cable Check Guide [Complexity: Easy | Time: 5 min | Video]

How to Power Cycle Your PC [Complexity: Easy | Time: 5 min | Video]

How to Power Cycle Your PC [Complexity: Easy | Time: 5 min | Video]

How to Reseat RAM in Your PC [Complexity: Easy | Time: 5 min | Tools Needed | Video]

How to Check Your PC's Internal Cables [Complexity: Easy | Time: 10 min | Tools Needed | Video]

How to Check Your PC's Internal Cables [Complexity: Easy | Time: 10 min | Tools Needed | Video]

How to Reseat Your GPU [Complexity: Intermediate | Time: 10 min | Tools Needed | Video]

How to Reseat Your GPU [Complexity: Intermediate | Time: 10 min | Tools Needed | Video]

How to Reseat a Ryzen and Intel-Based CPU [Complexity: Expert | Time: 15 min | Tools Needed]

Screen remains black while the computer's power light indicates it is on

External Cable Check Guide [Complexity: Easy | Time: 5 min | Video]

How to Power Cycle Your PC [Complexity: Easy | Time: 5 min | Video]

How to Reseat RAM in Your PC [Complexity: Easy | Time: 5 min | Tools Needed | Video]

Replacing BIOS/CMOS Battery [Complexity: Intermediate | Time: 10 min]

Clearing the BIOS/CMOS [Complexity: Intermediate | Time: 10 min]

How to Check Your PC's Internal Cables [Complexity: Easy | Time: 10 min | Tools Needed | Video]

How to Reseat Your GPU [Complexity: Intermediate | Time: 10 min | Tools Needed | Video]

How to Reseat a Ryzen and Intel-Based CPU [Complexity: Expert | Time: 15 min | Tools Needed]

How to Check and Reseat Your GPU Riser Cable [Complexity: Intermediate | Time: 10 min | Tools Needed]

Identifying Debug Lights on a Motherboard [Complexity: Intermediate | Time: 5 min | Tools Needed]

Checking Different Displays [Complexity: Easy | Time: 5 min]

Register your email for exclusive news, offers, and giveaways!
CONTACT US
Opening hours:Monday - Friday: 11:00 AM - 7:00 PMSaturday: 12:00 PM - 5:00 PMSunday: ClosedPublic Holiday Hours May Differ
Facebook icon
Instagram icon
Youtube icon
Twitter icon
Tik-tok icon
Privacy Policy | Terms of Use | Refund Policy
Copyright 2025 AFTERSHOCK PC Pty Ltd – All Rights Reserved