I've been given a second hand 1501 screen but without the power supply. I haven't been able to find the specs for the ac adapter - what input voltage does the screen need?
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Computer does not boot upThe problem maybe the RAM, it is faulty or just needsreseating to make proper electrical contact. Reseat the RAM and then boot up your laptop. If it still does not boot up thenremove the RAM module/s and take them to your friendly computer repair shop andget them to test the RAM for you.
try this first. drain the flea power. remove batter and ac adapter. press and hold on the power button for 10 seconds. plug back ac adapter and battery. go online to http:support.dell.com then download the latest bios update.
once you reach the dell support site select on support for home users. then drivers and downloads. enter the service tag.
when the list of drivers and updates are listed make sure you selected the correct operating system. look for the BIOS then download it via browser. (do not download the manager)
after the download run or install the update.
If all fails. try a diff ac adapter if same problem message appears then replace the motherboard. else replace ac adapter.
try to power drain pc first. to do that, turn pc off, remove battery and ac adapter. press down power button for 15-20 sec, then but all back in and try to turn pc on. if still no go, you may need to replace battery or ac adapter, f it still wont work, possible motherboard replacement is needed.
AC adapter for both systems belong to D-Family 65 W lead-free AC adapter So you can use the Ac adadpter Note :- The Vostro 1500 discrete version requires the 90 W AC adapter. Without it, you will receive an error message indicating the wrong AC adapter type, the CPU speed will downgrade, and the battery will not charge.
pulll outthe battery and unplug the power adapter hold down the enter key for 60 seconds then install power cord and try to power up the computer without the battery, if it powers up you have a a battery problem, if it won't power up your battery power supply is bad, but needs to be tested. I have found that Interstate Battery company will test the battery and power supply for free, and they are happy to rebuild the battery if it needs it.
You will need at least a 4 amp rated regulated 12 Volt power supply. These are commercialy available from most electronics parts suppliers. They come on a circuit board. You can mount it in your own case and use the original Viewsonic wire end. If you do a google search for 12 volt reglated power supplies you should find many of these.
However, with a second-hand Sprint AC adapter with 3A, 12v adapter, the screen blinks on and off intermittently. Obviously there is some difference here between a class 2 adapter and a power supply box.
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