While in BIOS command mode, turned of - not possible to start anymore
I have been working in the BIOS command mode (while starting up, I got to the selection menu, asking in which mode I want to start the OS - from there I pressed the key "c"(?) and got to a command prompt). At this stage I was detracted and left the computer - without executing any command. When I returned, the computer was shut off. There was no password or so.
Now, I am no more able to start it. When I press the power button, I just get a short noise (0.5 second) from the hard disk. That's all. I have pressed the power button for 10 sec, I have removed the power plug and accu for 20 sec, nothing.
Can anybody help me?
Many many thanks!
Re: While in BIOS command mode, turned of - not possible...
Hope you doing good.
Please try the following solution :
1. Disconnect the power cable.
2. Take out the battery
3. Keep holding down the power button for 60 seconds.
4. Put the battery back in.
5. Connect the power adapter
6. Make sure the Power adapter is switched on and laptop is on AC Power
7. Wait for 5 minutes and try to restart the computer
8. If it still doesn't starts.
9. Hold down the power button for 60 seconds with AC adapter and battery connected
10. Try to restart now and check.
11. If it still doesn't switch on
12. Take out the battery and run on only Ac adapter and restart.
Please advise if this still doesn't helps.
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Macs do not have a BIOS. You can start up in verbose mode by holding Command+V on startup, and you can select various boot-up options by holding down various keys. For example, holding down 'alt' (Option) gives you a list of all the possible start up volumes.
Have a look here: http://support.apple.com/kb/ht1343 for all of these options.
Depending on what you're trying to change, it's entirely possible that you can do it through System Preferences. What is it you are trying to change?
Restart the Laptop and press F8 you will get a option that sayd repair my computer select the option,
If repair mu Computer doesn't work than go to BIOS and check if the Hard drive is detected in BIOS or not and than perform Hard drive test in BIOS there is utility which will allow to perform the test of hardwares.
If Hard drive is detected in BIOS nad Hard drive test passedthan you need to reinstall the windows.
If Hard drive test failed or it is not reflected in Windows than replaced the hard drive and install OS on new hard drive.
Restart and keep pressing F8 key. Select safe mode option. IF it will boot into safe mode ok then go to start->all programs->Accessories->system tools->system restore. REstore computer back to previous date.
If this will not be possible.Restart and keep pressing F8 key and select safe mode with command prompt. In command prompt window type in "chkdsk /r " this will run checkdisk and restore missing files.
Please leave your feedback if issue was solved
You need a Tiger or Leopard installation disk. Then You start up the system holding down "C" instead of installing you start the "disk utillity" and repair it.
You can access singel user mode by starting up the system holding down command + S.
"...it's possible that one of the front panel buttons is "stuck" or shorted, and this could cause the TV to ignore commands from the front panel or remote. But this should also cause the Power command to be ignored, too. You might try pulling off the front panel and disconnecting the front panel buttons and then see if the remote works."