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To distinguish between CCFL backlight failure and a dead inverter: [URL="http://www.laptop-junction.com/toast/content/laptop-screen-flickering-hissing-and-black-spot-corner"]Screen flickering, hissing, black spot in corner.[/URL] or when the CCFL inverter dies [URL="http://www.laptop-junction.com/toast/content/dell-latitude-d610-screen-suddenly-goes-black"]screen suddenly black[/URL] Please note this is for CCFL screens only. LED screens don't have a fluorescent tube. Good luck!
Remove all RAM memory and start the machine. The [URL="http://www.laptop-junction.com/toast/content/dell-caps-lock-light-flashing-blinking"]POST should signal "no memory installed"[/URL]. If nothing happens POST can't run due to a hardware issue - meaning the motherboard is probably toast. If POST does run, start with 1 RAM memory module and try in in different memory banks. …
The continuity / reliability of your Internet connection increases when adding a 2nd connection, but not in speed. Either connection can be used as a fallback when the other connection is dead. Assuming both connections are technically based on a different independent internet infrastructure. There are routers which have a …
Most likely the ID chip in your AC adapter is dead. Read all about [URL="http://www.laptop-junction.com/toast/content/inside-dell-ac-power-adapter-mystery-revealed"]the ID chip in DELL AC adapters[/URL]
Seems like you already found the problem - With a the power jack loose from the MOBO, it's possible the AC adapter ID wire doesn't connect properly. This causes the message you described. Read all about it here: [URL="http://www.laptop-junction.com/toast/content/inside-dell-ac-power-adapter-mystery-revealed"]The ID chip in DELL AC adapters.[/URL]
Be sure RAM memory is still ok. Memory gone sour can cause a plethora of erratic behavior making one look allover the place. Case you have 2 RAM modules, remove 1 and see what happens. If its still there, swap it. If still the same, it's less likely it's RAM. …
Not all USB 2.0 devices are compliant with USB 2.0 specs. USB 2.0 Hi-Speed detection is known as chirping, it defaults to USB 1.1 Full speed. Reads about my experience with a USB 2.0 memory card: [URL="http://www.laptop-junction.com/toast/content/usb-20-high-speed-hell-device-can-perform-faster"]This device can perform faster.[/URL] Good luck!
In my experience placement of the wireless WIFI antenna / adapter is crucial for a speedy connection. A tool like NetStumbler turns signal strength into an audio tone. The higher the better - great for finding a good spot. Secondly, another WIFI router in the area on the same channel …
To my experience samsung has a harddisk reliability problem for the popular 1Tb HD103UJ. See below for my experiences: [URL="http://www.laptop-junction.com/toast/content/unreliable-disk-samsung-spinpoint-f1-hd103uj-1-tb-tera-byte"]unreliable disk samsung HD103UJ[/URL] For warranty issue's, getting global support for IT equipment is a bit of a headache. Rule of thumb is that RMA's are only serviced in the area …
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