Repair Dell Inspiron 6400 keyboard by yourself

Repair Dell Inspiron 6400 keyboard by yourself.

1. The Dell Inspiron 6400 Keyboard and mouse can not use the

Sometimes after boot into Win95 can not use the mouse, the Dell Inspiron 6400 Keyboard can not be used.
Tip: system instability. This is the crash performance.
Note: Please remove the unnecessary parts of the system so that the system only motherboard, memory, CPU, graphics card, monitor, Dell Inspiron 6400 Keyboard and hard drive to see whether it crashes, and then verify that each new hardware added after the shutdown, until the found that crash.

2. The use of a normal mouse, the Dell Inspiron 6400 Keyboard is not available

Sometimes after boot into Win95 mouse can be used, but the Dell Inspiron 6400 Keyboard can not be used.
Tip: Check the Dell Inspiron 6400 Keyboard interface is loose.
These steps: Use the mouse soft-off Win9x systems. Hard shut down the system to prevent paralysis. Turned off, pull out the Dell Inspiron 6400 Keyboard interface part of the re-inserted back slightly harder. Be careful not too much strength, so as not to damage part of the Dell Inspiron 6400 Keyboard interface on the motherboard. Boot test.

3. Dell Inspiron 6400 Keyboard       Letters can not type

For example: the letter D is the knock did not go, no way to use the Dir command, the letters A sporadic.
Tip: Cleaning the Dell Inspiron 6400 Keyboard inside.
Steps: shutdown;
Unplug the Dell Inspiron 6400 Keyboard (note that when you unplug the Dell Inspiron 6400 Keyboard         interface on the arrows or "TOP" prompt in order to plug it back);
Reverse Dell Inspiron 6400 Keyboard       , Unscrew the screws, open the Dell Inspiron 6400 Keyboard        ;
Use of alcohol and scrub the Dell Inspiron 6400 Keyboard keys the following parts in contact with the keycap. Note that if the surface layer of relatively transparent plastic film, please open a post-wash.

4. The individual keys does not help, change the Dell Inspiron 6400 Keyboard fault is still

Total faults computer Dell Inspiron 6400 Keyboard     , space bar, N, H, Y, 6, F4, Esc Dell Inspiron 6400 Keyboard often does not help, and sometimes can blind by stretch recovery, for a Dell Inspiron 6400 Keyboard       failure remains.
Tip: man-made settings, virus, overclocking.
Steps: to restore the default Dell Inspiron 6400 Keyboard     ;
Followed by the mouse-click "Control Panel", "Dell Inspiron 6400 Keyboard", "language" and set as default
Value. Check for viruses or re-install the system. Note that the installation process seen in DOS, Win3.2, Win95
On which normal / not normal, re-install is not normal.
If your computer is overclocked state, please set back to the original frequency.

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