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Re: when turn on the monitor not show
When you turn it on, do you hear any activity? Motors start working,
fan spinning, etc…? Try to connect an external monitor and start the laptop.
Check if you can get any video on the external monitor. If the external
monitor is dead too, try to remove the battery and start the laptop
from the AC adapter. It also might be a bad memory module or a bad
connection between the memory and the motherboard. Try to reseat the memory module,
move it to the second slot. If you have two memory modules, try to
remove them one by one and turn on the laptop. Also, try to remove the
hard drive and see if you can boot it to Toshiba screen without the
hard drive installed.
There is no special button to reseat the BIOS settings. To do it,
you’ll have to access the BIOS using F2 button on the laptop start up,
but as you have no video, you cannot access the BIOS and set it to
I think this laptop is still under Toshiba warranty, so if you cannot figure out what’s wrong, call them and let them fix it.
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What to you mean by Monitor won't go on? Are you saying the power on the monitor will not turn on? Are you saying the Monitor is on, but there is nothing showing on the screen? Also it would help if we know what kind of computer and what operating system.
turn off the notebook. take a regualr desktop monitor VGA or LCD monitor and plug into the notebook (make sure to power up both the notebook with AC adapter and power cord for monitor). Turn both on and you should see video on the desktop monitor . if you do not see anything, i would hint at the fact that the notebook screen may be bad. Do you hear the hard disk drive spinning when you turn on the notebook ? if so, thats a good indication that the mainboard is still working and that the LCD screen on the notebook is not functioing . You will have to replace the LCD (notebook) screen
Attach and external monitor and boot the machine. If you don't have one, ask around your friends and family... someone has a monitor.
If you can see stuff on the monitor when it boots, but when you boot with no monotor the laptop screen is blank, then you most likely have a dead lcd panel on the notebook. It would need to be replaced.
If the external monitor also shows nothing during boot then you likely have larger problems.
It sounds as though the screen went out if you have access to a monitor and you have a vga plug on your computer try to hook it up to the other monitor and see if you are able to see anything. Sometimes when you hook up to an external monitor you will need to push the associated funtion keys. like i said if images show up then it is the screen on the laptop. If nothing shows up then it is the video hardware. If this is the case you will probably need to buy a new notebook since these are not normally changeable.
1st - Try pressing <Fn> + <BrithnessUP> keys a few times, (on HP <Fn> key is between <Ctrl> key and <Windows> key, <BrightnessUP> key is <F8> key and <BrightnessDown> key is <F7> key. If nothing happens try the 2nd one.
2nd - Plugin external monitor, (type and size doesn't matter). Turn on your laptop. If you can see desktop on the external monitor, your
drivers are o.k., The problem is your laptop display, NOT the graphic chip.
If your system won't display anything w/o the external monitor. there's something wrong with the LCD's backlight. you may have to contact your laptop's manufacturer and check if this laptop is still under warranty. you may have to get the lcd replaced.