How do I fix a black screen on my Compaq laptop?
Remove the battery and unplug it’s AC adapter then press and hold the power button for 20 seconds then try booting it. Try to boot your laptop without its battery and just use its AC adapter as a power source. If the above did not resolve your issue, please re-seat the RAM.
Why does my laptop turn on but the screen is black?
One of the main causes for this issue is a corrupt system file preventing the operating system from loading, resulting in the black or blank screen. Restart Windows to see if it’s a temporary issue and resolves itself with a reboot. If the problem persists, erase your hard drive and reinstall Windows..
How do I fix my laptop when the screen is black?
1) Press the Ctrl, Shift and Esc key on your keyboard at the same time. This will open Task Manager. If there is, try ending the process (right-clicking it and selecting End task or End process) and then reboot your computer. Then check to see if this fixes your problem.
Why is my laptop screen not displaying?
To try fixing it yourself, first unplug your laptop, hold the power button for 30 seconds and restart the laptop. To be sure about the LCD screen problem, try connecting your laptop to another monitor and see if the issue persists. If it does, the issue is certainly in the LCD panel.
How do I start my Compaq laptop?
Press “F10” if you see a startup menu, which appears on most newer Compaq Presario laptops. The system then boots into BIOS.
What can cause a laptop screen not to display?
One of the leading causes, about 90%, of no display issues in both laptop and desktop computers is due to a faulty RAM (random access memory). The problem may be as simple as having a dirty memory stick, or it may be broken and needs replacement. Fixing this problem is as easy as resetting the bios.
How do I troubleshoot a black screen?
Launch a Windows repair If your PC doesn’t boot and all you see is a black screen, turn it off and on again a couple times. After doing this repeatedly, the Windows Startup repair should launch automatically. Click Restart and hope that this fixes your black screen problem.
How do I restart my HP laptop when the screen is black?
Press and hold the Windows key and the B key at the same time while the computer is off. While still pressing both keys, hold down the Power button for one second, and then release the Power button and the keys. The power LED light remains on, and the screen remains blank for about 40 seconds.
How do you diagnose a laptop screen?
To determine if you’re having a screen problem or a video card problem on your notebook computer, plug in a monitor to the laptop and see if the problems above are duplicated on the screen. If so, you’re having a video card problem. If not the problem lies with the display!
What is the boot key for Compaq?
Compaq Computers/Laptops
| Manufacturer | Models | Boot Menu Key |
|---|---|---|
| Compaq | Presario | Esc, F9 |