When I turn my IBM Thinkpad 770 on the screen flashes off and on as it tries to boot. This lasts for about 10 seconds and then the screen goes dark. Nothing happens after that. On occasion the screen will stay solid and the laptop boots up properly. Please advise.
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Re: Computer boot up
There is either a problem with the graphics driver not starting properly or the boot.ini file of the operating system is corrupt.
First thing to try is press F8 on boot up and this will take you into safe mode, if prompted for a password just press 'enter'
When in safe mode highlight the line 'Last known good configuration' and press enter for a reboot, if all boots ok then it should be right.
If still no screen, press F8 again on next boot up and this time select boot windows in safe mode and if it boots ok, there maybe a graphics fault or a driver error for something that starts on boot up, as in safe mode only the minimal drivers start (hence safe mode).
If you get into safe mode first, right click my computer>properties>hardware tab>device manager, then go down the hardware list to graphics adapter,and click on '+' sign to your adapter, right click on line and select uninstall.
Restart the pc then it will be automatically installed again and the drivers loaded.
If you are still unable to boot then it is a process of ilimination to find what is causing the problem, but it will more than likely after trying the above be a windows system file error and require you to use your XP disc for a system repair.
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you can go to the BIOS setting? if you can,look for "Boot Device Priority" or something like that,it's usually placed on Advanced settings. Set the first boot device as your harddisk,save the settings and restart your computer Please let me know if it's working or not
I have the same computer and I know exactly what you talikng about, the Off>On screen you get, the computer wants you to turn it off and then back on again, Just push the button to turn it off and then hit the button to turn it on, don't wait to long between turning it off and on again. it should just be a quick off and quick on.
restart the computer on the first 2 seconds press the F8 key to boot up your computer on the screen with the next options last good know cofigurations ., prompt only , save mode so try first the last good know if that does not fix the computer try save mode on save mode you can not use all the components and setting nut you can see if there is any problem with your device manager , drivers or program conflicts
Error 19990301 on a Thinkpad 600 usually indicates that the hard drive is not properly connected, and error code 19990305 signifies "no bootable device". So, it's the hard drive.
First of all, I would try removing and replacing the drive to see if that cures it. You can get the service manual from Lenovo at http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=LWIK-3SYPX2
If this doesn't fix it, the hard drive is faulty. However, small size hard drives (10 or 20Gb) which suit these older machines are very cheap on eBay.