Black Screen After Logging In to Windows: A Cursor but No Desktop — What's Causing It

The computer switches on, the Windows logo appears, then the sign-in screen, you enter your password — and instead of the familiar desktop you see a black screen. Sometimes there's a mouse pointer on it, sometimes nothing at all. It's a frightening problem: it feels as if all your files have vanished and the system has "died". In reality, in most cases the data is intact and the cause can be fixed. Let's look at what can cause a black screen after signing in and what to do about it.

Not all black screens are the same

It's important to tell several situations apart from the start, because they have different causes:

• A black screen with a cursor after signing in. The system has loaded, but the shell — the desktop, taskbar and File Explorer — hasn't started.
• A black screen with no cursor after the logo. Often a problem with the graphics driver or with which display is selected.
• A black screen straight after switching on, with no logo. Most likely a hardware problem: the monitor, cable, graphics card, RAM or power supply.
• A black screen after waking from sleep. Usually a problem with drivers, power settings or the graphics adapter.

The main software causes

File Explorer failing

Windows File Explorer is responsible not only for folder windows but also for the desktop and taskbar. If it doesn't start or closes immediately — for example because of a damaged system file, a third-party program that hooks into the context menu, or a registry error — you'll see exactly this: a black screen with a cursor.

The graphics driver

After a driver update, a major Windows update or connecting a new monitor, the system may send the picture to the wrong place or in the wrong mode. This is especially common on laptops with two graphics cards and on computers with several monitors.

A failed Windows update

Sometimes a black screen appears right after an update is installed — because of an incompatible driver, a third-party program or an unfinished installation.

A damaged user profile

If profile files are damaged, Windows may sign you in but fail to load the desktop, or load a temporary profile. In the latter case the desktop looks empty and your files "disappear".

Malware

Some viruses change the shell start-up settings so their program runs instead of File Explorer, or lock the desktop and demand a ransom.

Hardware causes

• A faulty or badly connected monitor cable, or the wrong input selected on the monitor.
• A failing graphics card: the picture drops out under load and artefacts appear.
• The graphics card or processor overheating.
• A failed laptop screen backlight: there is a picture but it's barely visible — shining a torch at an angle lets you make out the windows.
• Problems with the RAM or power supply.

What not to do

The first impulse is to reinstall Windows straight away. But if the computer holds important data with no backup, reinstalling can cost you documents and photos. And if the cause is hardware, reinstalling won't fix anything. Nor should you keep switching the computer off with the power button: if the problem involves the drive, that can make the damage worse. And you certainly shouldn't run random "fixers" from dubious websites.

How a technician finds the cause

Diagnosis starts simply: the monitor, cable and input are checked, then the system is started in Safe Mode. If the desktop appears in Safe Mode, the problem is almost certainly software — a driver, a service, a start-up item or a virus. If there's a black screen there too, or no picture at all, the graphics card, memory and power are checked. This approach avoids wasted steps and keeps your data safe.

Timing matters as well. Many people only call for help after a day or two of restarting and searching for fixes online, by which point a simple software fault can be buried under several failed attempts at repair. The earlier a technician sees the original problem, the faster and cheaper it usually is to put right.

What our technician does

1. Checks the monitor, cables and connections and rules out a hardware fault.
2. Starts the system in Safe Mode and identifies the software cause.
3. Restores File Explorer start-up, fixes the graphics driver or rolls back a problem update.
4. Restores the user profile and checks the system for malware.
5. Saves your data before making any serious changes.

A real example

A designer from Mtatsminda called us at night: after the latest update her work computer was showing a black screen with a cursor, and she had a deadline in the morning. A technician arrived within 40 minutes. In Safe Mode the desktop loaded — so the problem was software. It turned out that after the update an old context-menu extension from an archiving program was clashing with the system and crashing File Explorer at start-up. We removed the conflicting component, updated the graphics driver and checked the system. An hour later the computer was working and all her work files were in place.

Call a technician

If you see a black screen after signing in to Windows, we'll come to any district of Tbilisi around the clock. Learn more on our computer diagnostics, driver installation and virus removal pages.