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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.
The LCD assembly will have a part number either on a paper sticker or printed on some empty real estate.
Check for one that matches the structure of part number(s) listed on eBay.
You can start with the link below:
Toshiba Satellite A105 LCDs
Some laptops don't have a mechanical switch for wifi. But just try to look around the back portion or the front or sides of your laptop. Wifi switches are slide type. You just slide it to toggle on and off.
However, newer laptops have no mechanical switches. To turn your wifi on/off, just hold down the FN key and press the Function Key (F1 to F12) where you can see the wifi logo like this: )))
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.