Screen switches on and off and on and off etc, or just freezes
I have a Dell inspiron 8200 laptop since 2001. It has 512 Ram and 40 Giga harddrive. Last november, the screen randomly started switching between on and off about every second. Sometimes it would just freeze completely.
The only solution is to switch the computer off.
I have tried various fixes and don t know what to do anymore:
in safe mode, I have never had any problems.
I have run the Dell diagnostics Cd (even the slow one) and that passed all the tests.
I thought it may be the batteries/ power related.
I have checked antiviruses with avira.
I even formatted and reinstalled everything, and updated the drivers. I thought that had fixed the problem, because after that it was only freezing some times, but was not having the screen on -off switch anymore.
But the switch on and off and on etc thing started again last night, and I now just don t know what to do anymore.
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Latitudes sometimes have a problem with RAM. Try these things to get it to boot...
1. Remove the RAM modules, clean the contacts with a pencil eraser, reseat modules and test.
2. If two modules, remove one and test. Place same module in second slot and test.
there is no on-off switch for the wireless on the dell inspiron 8200 if I recall correctly. Make sure:
1. The mini-PCI slot (might actually have to open the little door on the back of the laptop) contains a wireless card
2. right click on "my computer", properties, hardware tab... device manager. See if there are any devices listed (yellow "!") that do not have drivers installed. Go to http://support.dell.com and download drivers for your wireless card and install them.
I assume that you have your charger plugged in as long as you use the laptop...
There are very minimal chances o the battery having been damaged, since the casing on the inspiron 8200 is quite sturdy.. i suggest you get the charge socket (the socket that leads to the main wall electricity outlet) from a qualified technician...
Press and hold the <Fn> key while powering the system on. This will run the Dell Diagnostics. Another more intense diagnostic program is located on a Dell CD that you should have received with your laptop. Look for one that has “Diagnostics and utilities” listed under the “Contents”. You will have to boot from that CD disk. To do this, power on your laptop and tap the <F12> key to bring you to the “One time boot menu”. Insert the CD and then select CD/DVD drive and hit <Enter> key.Select the “Run the 32 Bit Dell Diagnostics”. Your responses are intended to improve the level of service provided. Please show your appreciation by rating your experience. Thank You.
The problem your having appears to be with your video circuit. Depending on your model's options this would consist of 1) LDC panel display, 2) video card or on board video controller, 3) LCD ribbon cable. If your laptop has an external video adaptor port, connect it to an external monitor and see if the problem occurrs. If the problem happens on the external monitor then your laptop LCD display panel is probably OK. If this is the case, you'll need to diagnose the problem further or take it to a repair shop. The reason it seems to work in safe mode is that the video circuit is not being fully utilized, ie.. no wallpaper, screen saver, etc..