932      iPhone_iPad_Mac_apple

losing ram memory

I have an iMac (20 inch, early 2008.)

Running OS X EL Capitan (10.11.6)

I have 4 GB ram memory (maximum for this iMac).

Today I am having trouble holding on to the ram memory.

I reboot and get about 2gb showing which is normal. But it quickly goes down to around 400mb, even without me using the computer.

I have tried rebooting, a hard reboot (with plug removed from socket for 5 minutes).    I have tried disk first aid. Which finds no problems.  I have done a complete virus scan.

But problem persists.

Any ideas for anything else I can try will be appreciated.

thank you.

2pm gmt 28th Aug. 17.

Apart from rebooting, virus scanning, disk first aid running constantly for the last couple of days I have not done anything different today.......but.....the problem seems now to have cleared itself.   Whatever was draining my ram memory has now stopped and everything is okay again.

Thanks to those who replied to me.

Please download and run EtreCheck, created by one of own helpers here in ASC. It is a diagnostic tool that's very useful to us in finding problems. Also it will give us further specs on your Mac. After it runs post the log file here. It will contain no personal information.

In addition to using Etrecheck to see what is consuming RAM, your Early 2008 can actually take 6GB of RAM.

see > Memory & Storage Upgrades for 2008 Apple iMac Core 2 Duo

EtreCheck version: 3.4.4 (448)

Report generated 2017-08-27 15:50:09

Download EtreCheck from https://etrecheck.com

Runtime: 10:54

Performance: Poor

Click the [Lookup] links for more information from Apple Support Communities.

Click the [Details] links for more information about that line.

Click the [Remove/Report] links to remove adware or update the whitelist of legitimate software.

Click the [Clean up] link to delete unused files.

Problem: Computer is too slow

Description:

Keep losing ram memory.

Hardware Information: ⓘ

    iMac (20-inch, Early 2008)

    [Technical Specifications] - [User Guide] - [Warranty & Service]

    iMac - model: iMac8,1

    1 2.4 GHz Intel Core 2 Duo (Duo) CPU: 2-core

    4 GB RAM Upgradeable - [Instructions]

        BANK 0/DIMM0

            2 GB DDR2 SDRAM 800 MHz ok

        BANK 1/DIMM1

            2 GB DDR2 SDRAM 800 MHz ok

    Handoff/Airdrop2: not supported

    Wireless:  en1: 802.11 a/b/g/n

Video Information: ⓘ

    ATI Radeon HD 2400 - VRAM: 128 MB

        iMac 1680 x 1050

2pm gmt 28th Aug. 17.

Apart from rebooting, virus scanning, disk first aid running constantly for the last couple of days I have not done anything different today.......but.....the problem seems now to have cleared itself.   Whatever was draining my ram memory has now stopped and everything is okay again.

Thanks to those who replied to me.

最后更新：2017-08-28 22:20:34

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