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I've got this old motherboard from a pre built system, lga 775 socket, with a screw in heatsink fan. I've taken out the fan and the heatsink but the backplate won't budge, it seems to be stuck in the centre and not by the pins sticking through the motherboard. I've tried to push the pins through but i don't want to put too much pressure on the pcb. Any help would be great.

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PC Builder, Engineer... BACON    Project Cobalt: http://linustechtips.com/main/topic/38058-project-cobalt-copper-piping-laser-etching-and-more/#entry489258

| NZXT Switch 810 | i5-3570k | gigabyte UD-5H | Corsair Vengeance 8gb ram | GTX 670 | 2x 60gb intel 330 series ssd's in raid 0 | 1tb seagate barracuda hdd | Corsair tx750m | XSPC razor GPU and CPU waterblocks | XSPC d5 vario pump | Thermochill Pa140.3 | phoyba 280mm radiator | Chromed Copper tubing |

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Might just be glued. Lick it off.

You shouldn't ever have to force PC parts, maybe it just isn't meant to come off. Might I ask what you're doing with the heatsink off in the first place?

replacing the stock heatsink fan with a large passive heatsink

PC Builder, Engineer... BACON    Project Cobalt: http://linustechtips.com/main/topic/38058-project-cobalt-copper-piping-laser-etching-and-more/#entry489258

| NZXT Switch 810 | i5-3570k | gigabyte UD-5H | Corsair Vengeance 8gb ram | GTX 670 | 2x 60gb intel 330 series ssd's in raid 0 | 1tb seagate barracuda hdd | Corsair tx750m | XSPC razor GPU and CPU waterblocks | XSPC d5 vario pump | Thermochill Pa140.3 | phoyba 280mm radiator | Chromed Copper tubing |

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There is probaly some double sided tape under the backplate, if there is some tape under there you will need to try and wiggle it to get it loose.
thank you got it off

PC Builder, Engineer... BACON    Project Cobalt: http://linustechtips.com/main/topic/38058-project-cobalt-copper-piping-laser-etching-and-more/#entry489258

| NZXT Switch 810 | i5-3570k | gigabyte UD-5H | Corsair Vengeance 8gb ram | GTX 670 | 2x 60gb intel 330 series ssd's in raid 0 | 1tb seagate barracuda hdd | Corsair tx750m | XSPC razor GPU and CPU waterblocks | XSPC d5 vario pump | Thermochill Pa140.3 | phoyba 280mm radiator | Chromed Copper tubing |

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Got it off eventually man that thing was ON there, kudos to acer didn't think they made double sided tape that strong. manged to gradually peel it off by pushing each of the pins with a screw driver slightly one at a time.

PC Builder, Engineer... BACON    Project Cobalt: http://linustechtips.com/main/topic/38058-project-cobalt-copper-piping-laser-etching-and-more/#entry489258

| NZXT Switch 810 | i5-3570k | gigabyte UD-5H | Corsair Vengeance 8gb ram | GTX 670 | 2x 60gb intel 330 series ssd's in raid 0 | 1tb seagate barracuda hdd | Corsair tx750m | XSPC razor GPU and CPU waterblocks | XSPC d5 vario pump | Thermochill Pa140.3 | phoyba 280mm radiator | Chromed Copper tubing |

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