Do you get any video on the screen at all? in either case, it might be a motherboard problem, but try taking out your battery and unplugging power. wait a few minutes, then put them back in and try to boot. if you're still getting lights but no video or functionality, it's probably a motherboard problem and you're looking at having to get a new computer, or a very very very expensive repair.
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This is a very common problem with windows laptops. This may or may not help but here goes. unplug power. then unplug battery from laptop. Now plug only power cord into laptop. Now turn on and start tapping the F2 fuction key. Once it goes into bios make sure that your boot order is cdrom first. Then save it and reboot with the bootable cd in the drive.
Also if now of this works unplugged Hard drive and see if it will boot up at all and into the bios setting. If you are not able to boot into the cmos make sure also that no cd is in the cdrom drive.
while its off try holding down the function key and the microsoft key and the B button and press the power button and hold all of them down for 5 secs that will get u into the bios look around in there be careful set it for default settings maybe even test battery in bios thats just 1 thing the next step would require a couple small purchases to eliminate the easy things let me know if you want also take out you cd drive gently while laptop is off all the way off not hibernate let me knowl
This is an open ended question as I am not aware of your problem, however,
Disconnect your power supply and remove the battery.
Refit the battery and plug in the AC adaptor, check the power light and battery light are illuminated.
Keep disconnect any periferals, (USB devices) and ensure the DVD drawer
is empty. Press the power button. The POST should now start up flashing a
line of led's across the top of the keyboard first followed by the hard
The BIOS F2 or F12 choice screen will now appear. If it doesn't the laptop hasn't completed POST and can go no further however, if it gets that far;
Press F12 and select Hard Drive for the boot device, the laptop will
then try and boot from the hard drive, just as the boot chioce menu
dissapears press F8, this will opem a further menu allowing you to
repair your system. This, if selected, will collect data stored on drive
E and repair the main system putting the OS back as it was when you
first purchased the machine.
If that won't work or there is a corrupt file or serious error, you will require an OS system disk.
Place the System disk in the DVD drive, press power until the system
tries to boot and when you get to the boot selection menu, press F12
again but select CD/DVD as the boot drive.
Follow my last instructions again and you will have a fresh/repaired system and a working laptop again.
When all is OK go to www.computers.toshiba-europe.com and let toshiba download and install the latest drivers and BIOS.
Hope that helps.
"I have M305D S4830 laptop. I put it to sleep in the night. In the
morning when i tried to turn it on, it wouldnt start. The light on the
switch turns on and it charges the battery fine, but no HDD activity(but
it does spin up and stay), no screen, nothing. The fan turns on and
then turns off in 1 sec and then just the power indicator lights stay
on... i also checked cmos battery, removed it and put it back.its
voltage is also fine..."
Hello PPL! Maybe this WILL HELP you! I HAD absolutely the same problem >> 3 months of god **** stress, didn't find any solution, till one day i found on my Recovery CDs one note!! >> It sounds like: "BEFORE pressing power button, HOLD 'C' button and while Holding 'C' button push POWER Button ONCE!! to start Laptop, KEEP Holding 'C' button!!! untill appears TOSHIBA screen!" then release 'C'. After that, it will appear "Operating System not Found">>then just do a restart by pushing Power Button and Start again! For me, It Worked!! and i'm god **** happy now)...let me know if it Helped you, Good Luck!
a friend had same issue , i dissembled laptop and found a burnt diode chip beneath where power button sits on top cover panel there are two clips under power button , one of the clips shorted the diode , only orange power button would lit up on front edge of lower case
Try disambling the system. Clean it with a wind blower. Check BIOS battery capacity. Replace if possible. Power on the laptop. Do you hear humming sound from hard disk ? If you hear sssssssshhhhh sound from hard disk; it's OK. Replace RAM with new one. If problem still exists Than change main board. Hope that not happen. Keep informing.