Bios upgrade bios for aspire 5610z

is the module in properly?,is anything broken?? switch them around and see if the module is good or not,also,just because the motherboard supports 2 modules,if intel only recognizes 2gb then that is all,whether you have 2 1gb modules or 2 2gb modules,upgrade your intel chip and upgrade your bios

Hi!
I have the same problem, and my problem was that I have installed 4GB ram and that ram modules wasn't accepted with the new bios. So I installed the old modules and it all worked again, downgraded the bios to one version older and installed my 4GB ram modules and it all worked.

Hope that's your problem too.
Good luck

http://support.acer-euro.com/drivers/notebook/as_5100.html

here u can find latest bios...

Hi,

Check to see if this happens when booting into safe mode.

OK! I have read about many people with this problem and I have had the same problem so maybe i can shed some light on it, here goes!...... I turns out that the intel chipset on this laptop will only handle 2gb of memory, not 4gb as Acer say in the manual. But, is this true i wonder! because I have tried 2 2gb sticks in my laptop and sure enough it wont work. However, I have now put in one 2gb module and one of the original 512mb modules and it works fine but vista said it only had 2gb and the bios sais 2.5gb! very strange but then I updated vista with service pack1 and now vista does see the full 2.5gb memory. So acer are still wrong which leads me to think that maybe this could be solved with bios updates in the near future (I am on bios 3.50)

No you can't, because it's on motherboard, not separate card.

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Make sure you got the right speed -

Each memory slot can hold DDR2 PC2-4200 or DDR2 PC2-5300.

If you got faster than 5300 they may not clock down properly.

If the memory is the correct specs then it may simply not be compatible and you will have to try different RAM.

I have the best luck on laptops with Crucial ram - they have certified ram for many systems. here is a link for yours:

http://www.crucial.com/store/listparts.aspx?model=Aspire%205610

I had the same problem and ASUS tech support was of no help. I did however find the culpret in the BIOS setup. Go to Advanced, Chipset, NorthBridge Chipset, and Memory Configuration. Set the Bank Interleaving to Disabled and save the settings. Check these settings also while you are there:
Channel Interleaving = Auto
Enable clock to all DIMMS = Disabled
Memory Tristate = Disabled
Memory Hole = Enabled
Unganged Mode = Enabled
Power Down Enable = Enabled
Power Down Mode = Channel
By Wayne F

ftp://ftp.work.acer-euro.com/notebook/aspire_5610/bios/Bios%203.50.zip try this link..this may be help u...thats all