There have been numerous issues with Toshiba Power saving settings on laptops that can cause the same problem. Sometimes a simple BIOS update will fix it. BEWARE: Updating the BIOS can kill the motherboard because your overwriting the core logic function of it.
Before you update make sure you have a fully charged battery to prevent a power outage from interrupting the process (usually the only thing you need to worry about). Go to toshiba.com and search for your model of laptop. Look for a BIOS update. Read their instructions thoroughly, then carefully follow them.
If you purchased it from Best Buy and are under a Performance Service Plan or even Manufacturers warranty (1 yr) then take it to Geek Squad, and let them get this shipped off and done for you.
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I've had this problem before and it was a fault in the multicore cable from the screen to the motherboard caused by constantly closing the laptop. It drops out when a demand is put on the cable. simple fix for an engineer.
Restart your computer and then press and hold F8 keys until you get Advanced Options menu screen.Use the arrow key to highlight Safe Mode, and then press Enter, your computer will boot automatically to safe mode.
If you able to start in the safe mode then Scan your computer for viruses. Some viruses can cause a black Screen , especially ones that infect the master boot record (MBR) or boot sector.
Update drivers for your hardware. black Screens are hardware or driver related so updated drivers could fix the cause of the STOP error.
Return BIOS settings to their default levels. An overclocked or misconfigured BIOS can cause all sorts of random issues, including black screen.
If it didn't helps you then simply get the system utility program like PC Fresher that will fix windows errors that cause of black screen screen
Are you sure that the display is not set for external monitor only? Also take bright flashlight and shine on the display. If you can see the images then the problem is with the back light and usually caused by a bad inverter. Some times you can get the back light or inverter bu most times it is easier and cheaper to replace the entire display.
I am also facing same problem with my Dell Inspiron mini 1012, when i turn on my laptop it makes a beeping noise for about 15 seconds.the screen also goes black after this for about the same time.then the laptop works fine just wondering what may be the cause of this.
S Bhat, India
Hi. This might be an LCD issue or connector inside th LCD from the motherboard is loose. You may try troubleshooting the issue first before you send the computer for repair. This process will drain the remain electrostatic energy to your motherboard which sometime causing the issue. Please follow troubleshooting steps below.
Take out the battery and unplugged the power adapter
Press and hold the pwoer buttong for 30 secs
Put everything back in
Power ON the computer
laptop screens tend to have a ribbon lead connecting the keyboard to to screen over time this wears (on some makes more than others) causing the screen to black out and eventually stop working all together.
you maybe able to get a new screen or ribbon on a site such as ebay or contact the manufacturer of the laptop.
The screen goes black while in normal mode right? So try to boot in safe mode (power on then keep tapping F8 then select safe mode). Check if still happens in safe mode.
If screen does not goes black in safe mode it means there might be a software or driver causes problem when running in normal mode. You can try the following (update your anti virus software then run a full system scan, uninstall the video driver then download and install the latest one, uninstall any previous windows update or you can system restore to the time when it was working fine).
If the screen goes black even in safe mode they try connecting the laptop to an external monitor if still goes black, if yes then absolutely no issues with the LCD panel. You can try (uninstall and reinstall the video driver if still persist then this might end up replacing video card or motherboard, but before doing that update the BIOS first).
If does not goes black in ext monitor then the LCD panel might causes the problem. Reseat the LCD cable or inverter if you can.