Question about Acer Aspire M1100-U1402A Refurbished AMD Desktop PC - AMD Athlon X2 4400+ 2.30GHz, 2GB DDR2, 320 SAT
If the RAM works in slots 1 & 2, they won't work in slots 3 & 4. This is due to the fact that you always place RAM in the slot(s) closest to the power supply. If not, the computer will not boot, as you have proven.
Even though your "new" RAM looks compatible to your "old" RAM, they are not since they won't boot up together. None of them are faulty, they just won't work together.
Hope this helps.
Posted on Nov 14, 2010
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Posted on Jan 02, 2017
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several beeps in a system is caused by a memory issue -- If you've recently added or tried to add additional memory to the computer and have started getting these beeps. Remove all new memory you've added to the computer. If the computer works fine after removing the new memory you're encountering either an incompatibility or defective new memory.
Sometimes when the computer is moved and/or over time a memory stick can become loose causing the computer to be unable to read the memory or get errors as it's reading it. Try fixing this issue by opening the computer removing each of the memory sticks you have in the computer and then placing them back into the computer.
If reseating the memory did not resolve the issue try swapping the location of the memory. If you have only one stick of memory in the computer try moving it to another slot and then boot the computer.
If you have more than one stick of memory try removing all but one stick of memory and boot the computer. If this does not resolve the issue try removing that stick of memory and try one of the other sticks of memory.
the specs can be found at this link
the system you have is upgradable to 4G of RAM, and this RAM must be installed in equal pairs
so if you have 4 slots to insert memory in (assuming you will retain the 2 256M) , you must install the other slots by 2 512M, 2 1G or 2 2G DIMMs -- make sure you isntall exact same DIMMs, dont mix memory makers or specs, other than what Dell specifies
memory type must be
PC2700 (333-MHz) or PC3200 (400-MHz) DDR SDRAM
i hope this helps --
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