Source: steps rewritten in our own words (no more than 8 words in a row copied; part numbers, screw sizes and warnings kept as printed) from HP's Maintenance and Service Guide (PDF, printed pages 98). Not bench-tested. We have not performed this repair; keep HP's manual open for its illustrations. Scope restrictions below are part of the guide: do not apply it to other models, generations or configurations. Service manuals are written for trained technicians; work at your own risk.
Labels: DOCUMENTED = taken from HP's manual; PROPOSED = our own joining or ordering of HP's directions, not an HP instruction; UNPERFORMED = a suggested check that has not been carried out.
Applies to
HP ProBook 640 G1. Confirm the exact model on the service label before starting.
HP ProBook 640 G1 Notebook PC processor replacement. HP prints this procedure on printed page 98 of its maintenance and service guide.
Tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
723524-001- Intel Core i7-4802MQ 2.70-GHz processor (1600-MHz FSB, 6.0-MB L3 cache, quad core, 47 W; for use. Source: printed page 98.773213-001- Intel Core i7-4712MQ 2.30-GHz processor (1600-MHz FSB, 6.0-MB L3 cache, quad core, 37 W). Source: printed page 98.723522-001- Intel Core i7-4702MQ 2.20-GHz processor (1600-MHz FSB, 6.0-MB L3 cache, quad core, 37 W). Source: printed page 98.765141-001- Intel Core i7-4610M 3.0-GHz (SC turbo up to 3.70-GHz) processor (1600-MHz FSB, 4.0-MB L3 cache, dual. Source: printed page 98.737330-001- Intel Dual Core i7-4600M 2.80-GHz processor (3.0-MB L3 cache, 37 W). Source: printed page 98.765142-001- Intel Core i5-4340M 2.90-GHz (SC turbo up to 3.60-GHz) processor (1600-MHz FSB, 3.0-MB L3 cache. Source: printed page 98.738201-001- Intel Dual Core i5-4330M 2.80-GHz processor (3.0-MB L3 cache, 37 W). Source: printed page 98.765143-001- Intel Core i5-4310M 2.70-GHz (SC turbo up to 3.40-GHz) processor (1600-MHz FSB, 3.0-MB L3 cache. Source: printed page 98.738309-001- Intel Dual Core i5-4300M 2.60-GHz processor (3.0-MB L3 cache, 37 W). Source: printed page 98.768420-001- Intel Core i5-4210M 2.60-GHz (SC turbo up to 3.20-GHz) processor (1600-MHz FSB, 3.0-MB L3 cache. Source: printed page 98.737328-001- Intel Dual Core i5-4200M 2.50-GHz processor (3.0-MB L3 cache, 37 W). Source: printed page 98.768744-001- Intel Core i3-4110M 2.60-GHz processor (1600-MHz FSB, 3.0-MB L3 cache, dual core, 37 W). Source: printed page 98.737474-001- Intel Dual Core i3-4100M 2.50-GHz processor (3.0-MB L3 cache, 37 W). Source: printed page 98.737327-001- Intel Dual Core i3-4000M 2.40-GHz (SC turbo up to 3.30-GHz) processor (1600-MHz FSB, 3.0-MB. Source: printed page 98.737326-001- Intel Celeron 2950M 2.00-GHz processor (2.0-MB L3 cache, dual core, 37 W). Source: printed page 98.713548-001- AMD A10-5750M with Radeon HD 8650G Graphics (quad-core; 3.5 GHz/2.5 GHz; 35W, 4 MB L2 cache). Source: printed page 98.683046-001- AMD A10-4600M with Radeon HD 7660G Graphics (quad-core; 3.2 GHz/2.3 GHz; 35W; 4 MB L2 cache). Source: printed page 98.683048-001- AMD A8-4500M with Radeon HD 7640G Graphics (quad-core; 2.8 GHz/1.9 GHz; 35W; 4 MB L2 cache). Source: printed page 98.683047-001- AMD A6-4400M with Radeon HD 7520G Graphics (dual-core; 3.2 GHz/2.7 GHz; 35W; 1 MB L2 cache). Source: printed page 98.713550-001- A6-5350M with Radeon HD 8450G Graphics (dual-core; 3.5 GHz/2.9 GHz; 35W; 1 MB L2 cache). Source: printed page 98.685990-001- AMD A4-4300M with Radeon HD 7420G Graphics (dual-core; 3.0 GHz/2.5 GHz; 35W; 1 MB L2 cache). Source: printed page 98.713549-001- AMD A4-5150M with Radeon HD 8350G Graphics (dual-core; 3.3 GHz/2.7 GHz; 35W; 1 MB L2 cache). Source: printed page 98.713551-001- AMD A8-5550M 3.1 GHz/2.1 GHz 4M 35W. Source: printed page 98.
Preparation
Save your work, shut the computer down through the operating system, unplug AC power and every external device, and work on a grounded, static-safe surface.
Replacement
- Shut the computer down through the operating system, unplug the power cord, and disconnect every external device. (printed page 98).
- Remove the battery, service cover, hard drive, optical drive, keyboard and fan assembly first. (printed page 98).
- Turn the socket locking screw (1) a half turn anticlockwise with a Torx8 driver until it clicks, then lift the processor (2) straight up and out. (printed page 98).
Parts this procedure uses
- HP Fan 723524-001 (723524-001)
- HP Intel Core i7-4712MQ quad-core CPU 773213-001 (773213-001)
- HP Intel Core i7-4702MQ quad-core CPU 723522-001 (723522-001)
- HP Intel Core i7-4610M dual-core CPU 765141-001 (765141-001)
- HP Intel Dual Core i7-4600M CPU 737330-001 (737330-001)
- HP Intel Core i5-4340M dual-core CPU 765142-001 (765142-001)
- HP Intel Dual Core i5-4330M CPU 738201-001 (738201-001)
- HP Intel Core i5-4310M dual-core CPU 765143-001 (765143-001)
- HP Intel Dual Core i5-4300M CPU 738309-001 (738309-001)
- HP Intel Core i5-4210M dual-core CPU 768420-001 (768420-001)
- HP Intel Dual Core i5-4200M CPU 737328-001 (737328-001)
- HP Intel Core i3-4110M dual-core CPU 768744-001 (768744-001)
- HP Intel Dual Core i3-4100M CPU 737474-001 (737474-001)
- HP Intel Dual Core i3-4000M CPU 737327-001 (737327-001)
- HP Intel Celeron 2950M dual-core CPU 737326-001 (737326-001)
- HP AMD A10-5750M quad-core CPU 713548-001 (713548-001)
- HP AMD A10-4600M quad-core CPU 683046-001 (683046-001)
- HP AMD A8-4500M quad-core CPU 683048-001 (683048-001)
- HP AMD A6-4400M dual-core CPU 683047-001 (683047-001)
- HP AMD A6-5350M dual-core CPU 713550-001 (713550-001)
- HP AMD A4-4300M dual-core CPU 685990-001 (685990-001)
- HP AMD A4-5150M dual-core CPU 713549-001 (713549-001)
- HP AMD A8-5550M quad-core CPU 713551-001 (713551-001)
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-640-g1-notebook-pc-processor-replacement-p98