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HP’s PCFax: Sustainability Through Re-using Used PCs


The United Nations’ International E-waste Monitor estimates that the world generates over 60 million tonnes of e-waste yearly. Moreover, this quantity is rising 5 instances as quick as e-waste recycling. A lot of this waste comes from prematurely discarded digital units.

Many enterprises comply with a regular three-year substitute cycle, assuming older computer systems are inefficient. Nevertheless, many of those units are nonetheless purposeful and will carry out effectively with minor upgrades or upkeep. The difficulty is, nobody is aware of what the weak factors are for a selected machine, or what the wanted upkeep is, and the diagnostics can be too expensive and time-consuming. It’s simpler to simply purchase model new laptops.

When shopping for a used automotive, dealerships and particular person consumers can entry every automotive’s specific CarFax report, detailing the automobile’s utilization and upkeep historical past. Armed with this info, dealerships can carry out the required fixes or upgrades earlier than reselling the automotive. And people can resolve whether or not to belief that automobile’s efficiency. We at HP realized that, to stop pointless e-waste, we have to accumulate and make out there utilization and upkeep knowledge for every laptop computer, like a CarFax for used PCs.

There’s a specific problem to gathering utilization knowledge for a PC, nonetheless. We want to verify to guard the consumer’s privateness and safety. So, we got down to design a data-collection protocol for PCs that manages to stay safe.

The firmware-level knowledge collector

Fortunately, the sensors that may accumulate the required knowledge are already put in in every PC. There are thermal sensors that monitor CPU temperature, power-consumption displays that observe power effectivity, storage well being indicators that assess stable state drive (SSD) put on ranges, efficiency counters that measure system utilization, fan-rotation-speed sensors that detect cooling effectivity, and extra. The bottom line is to gather and retailer all that knowledge in a safe but helpful approach.

We determined that the easiest way to do that is to combine the life-cycle information into the firmware layer. By embedding telemetry capabilities instantly inside the firmware, we be sure that machine well being and utilization knowledge is captured the second it’s collected. This knowledge is saved securely on HP SSD drives, leveraging hardware-based safety measures to guard in opposition to unauthorized entry or manipulation.

The safe telemetry protocol we’ve developed at HP works as follows. We collect the crucial {hardware} and sensor knowledge and retailer it in a chosen space of the SSD. This space is write-locked, that means solely licensed firmware parts can write to it, stopping unintentional modification or tampering. That licensed firmware element we use is the Endpoint Safety Controller, a devoted piece of {hardware} embedded in business-class HP PCs. It performs a crucial position in strengthening platform-level safety and works independently from the primary CPU to supply foundational safety.

The safe telemetry protocol collects knowledge from sensors into a bit of {hardware} often known as an endpoint safety controller, with built-in safety protections. The endpoint safety controller then writes the information to a devoted read-only portion of the stable state drive, the place licensed working system purposes can entry the information.Mark Montgomery

The endpoint safety controller establishes a safe session by retaining the key key inside the controller itself. This mechanism allows learn knowledge safety on the SSD—the place telemetry and delicate knowledge are saved—by stopping unauthorized entry, even when the working system is reinstalled or the system atmosphere is in any other case altered.

Then, the collected knowledge is recorded in a time-stamped file, saved inside a devoted telemetry go online the SSD. Storing these information on the SSD has the advantage of making certain the information is persistent even when the working system is reinstalled or another drastic change in software program atmosphere happens.

The telemetry log employs a cyclic buffer design, routinely overwriting older entries when the log reaches full capability. Then, the telemetry log may be accessed by licensed purposes on the working system degree.

The PCFax

The telemetry log serves as the inspiration for a complete machine historical past report. Very similar to a CarFax report for used vehicles, this report, which we name PCFax, will present each present customers and potential consumers with essential info.

The PCFax report aggregates knowledge from a number of sources past simply the on-device telemetry logs. It combines the safe firmware-level utilization knowledge with info from HP’s manufacturing facility and supply-chain information, digital-services platforms, customer-support service information, diagnostic logs, and extra. Moreover, the system can combine knowledge from exterior sources together with companion gross sales and repair information, refurbishment companion databases, third-party element producers like Intel, and different unique tools producers. This multisource strategy creates an entire image of the machine’s complete life cycle, from manufacturing via all subsequent possession and repair occasions.

For IT groups inside organizations, we hope the PCFax will carry simplicity and provides alternatives for optimization. Accessing fine-grained utilization and well being info for every machine of their fleet will help IT managers resolve which units are despatched to which customers, in addition to when upkeep is scheduled. This knowledge can even assist machine managers resolve which particular units to switch moderately than issuing new computer systems routinely, enhancing sustainability. And this will help with safety: With real-time monitoring and firmware-level safety, IT groups can mitigate dangers and reply swiftly to rising threats. All of this could facilitate extra environment friendly use of PC assets, chopping down on pointless waste.

Detailed report on a used 2020 HP Elitebook laptop. Insights include owner history, hardware update records, factory installed components and total power consumption to-date.A PCFax report, very like a CarFax, will element essential utilization and upkeep info to assist inform potential prospects. Hewlett Packard

We additionally hope that, a lot because the CarFax offers individuals confidence in shopping for used vehicles, the PCFax can encourage resale of used PCs. For enterprises and customers buying second-life PCs, it supplies detailed visibility into the entire service and help historical past of every system, together with any repairs, upgrades, or efficiency points encountered throughout its preliminary deployment. By making this complete machine historical past available, PCFax allows extra PCs to search out productive second lives moderately than being prematurely discarded, instantly addressing the e-waste problem whereas offering financial advantages to each sellers and consumers within the secondary PC market.

Whereas HP’s options signify a big step ahead, challenges stay. Standardizing telemetry frameworks throughout numerous ecosystems is crucial for broader adoption. Moreover, educating organizations about the advantages of life-cycle information will probably be important to driving uptake.

We’re additionally engaged on integrating AI into our dashboards. We hope to make use of AI fashions to research historic telemetry knowledge and predict failures earlier than they occur, corresponding to detecting growing SSD write cycles to forecast impending failure and alert IT groups for proactive substitute, or predicting battery degradation and routinely producing a service ticket to make sure a substitute battery is prepared earlier than failure, minimizing downtime.

We plan to begin rolling out these options at the start of 2026.

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