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Re: Toshiba Satellite A105 PC Notebook
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
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The Toshiba A105 notebook computer is made for mobile computer users who need optimal processing power. The LCD screen is a 15.4 diagonal widescreen with TruBright technology. The laptop has a fast hard drive access rate that is in the 3ms range for the paging and access of data. There are problems that can occur with the Satellite A105 that can be solved by knowing what to look for when troubleshooting the system.
Black Screen Problem Black screen problems can occur when the Satellite A105 backlight is burned out or the inverter is not working correctly. The backlight can be replaced with a new LCD bulb manufactured for LCD screens. The inverter is a housing unit that controls the voltage to the LCD screen. The inverter must be replaced by a compatible A105 Satellite inverter unit. Power Problems b> During the power-up phase of the laptop, the Satellite A105 will quickly turn off without signing into the Windows Operating Screen. The problem can be due to a faulty power adapter that is not supplying the right amount of voltage to the system board. You can also check to see if the unit that houses the power plug is loose, which also indicates lack of voltage or electricity going to the board for power up operations. Hardware Conflict Problems b> Hardware conflicts can cause system errors or "freezes" by loading a new hardware component into the same hardware I/O address. The Satellite A105 has designated input/output addresses for peripheral devices, such as hard drives, video drivers and other hardware functions. To solve hardware conflicts, use the Control Panel "Hardware" device function to see which hardware I/O addresses is not being used. b> Audio Not Working Correctly b> Loading a new audio program can cause the audio codec for the Satellite A105 not to produce sound. The audio codec can be restored by loading the "restore system disk" for the A105 laptop. The restore menu provides options on certain components that you want to restore. If you pick the option for audio, the program will restore the audio to its factory settings. b> On-board LAN Switch Not Working b> The Satellite A105 is automatically configured to detect T Base 10/100 Ethernet networks. If the laptop does not recognize the on-board LAN switch, check the system setup to examine if the LAN switch is on. If so, a firmware update may be needed to upgrade the BIOS.
Press F8 function key several times as the computer turns on and when you get a list of options select Last known good configuration the press the Enter key.
If Windows then boots up properly then re-install the latest Windows Service Pack (SP3 for XP, SP1 for Vista).
Have you tried safe mode? You can access it by hitting F8 while the computer is booting up (I tend to press it at 1 second intervals, much faster and the computer gets annoyed :P) You'll get a menu that will let you pick safe mode.
If you can get at the desktop in safe mode then i would suggest shutting off all your start up programs (the list can be accessed by going to the start menu, selecting run, typing in "msconfig" and pressing enter). After those are shut off try rebooting back into normal mode and see if that works. If it does, then you know that a program starting up with the computer is causing the problem and just need to be singled out and removed.
Don't know why the screen is blank. Toggle the F9 key to make sure you didn't accidentally toogle off the screen.
As far as turning off the power and shutting down the computer, the old stand-by is to take out the battery and then pull the plug. The computer will power down. Replace the battery, replace the plug and then push the start button. You may have to start it up in SAFE mode since the shut down process was not the "normal' process the computer expects to follow.
restart the computer and press the F8 key before 5 seconds and you'll see a black page with the next options last know good config and safe mode click the first one last know good and restart the computer and will work