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Dell Optiplex 745 Small Form Factor Processor Replacement

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In this guide, we will show you how to take out the CPU (processor), and replace it with a new one.

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  1. Dell Optiplex 745 Small Form Factor Processor Replacement, Opening the case: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Optiplex 745 Small Form Factor Processor Replacement, Opening the case: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Pull the tab and the lid will pop up.

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  2. Dell Optiplex 745 Small Form Factor Processor Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Optiplex 745 Small Form Factor Processor Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Grab the lid and pull it up and off.

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  4. Dell Optiplex 745 Small Form Factor Processor Replacement, Processor: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • The processor is located inside the heat sink (indicated by the marker).

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  5. Dell Optiplex 745 Small Form Factor Processor Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Dell Optiplex 745 Small Form Factor Processor Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Dell Optiplex 745 Small Form Factor Processor Replacement: crwdns2935265:04crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Unscrew the 9.5 mm screws from heatsink on both sides using the Phillips #2 screwdriver.

    • If the processor is glued on to the heat sink, gently scrape off the glue and detach it from the device.

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  6. Dell Optiplex 745 Small Form Factor Processor Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Dell Optiplex 745 Small Form Factor Processor Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Dell Optiplex 745 Small Form Factor Processor Replacement: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Push the small lever downwards, then sideways and upwards, in order to release it from the hook.

    • Remove the processor from its casing.

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To reassemble your device, follow these instructions in reverse order.

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