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Laptop Screens, Hinges, and Display Assembly Repair

The lid is where the laptop breaks most visibly, and this section repairs all three of its job families. The first is the panel job — the chapter's volume seller — and its defining trap is not the swap but the order: within one retail model name, makers source panels from multiple suppliers with different connectors, resolutions, and mountings, a variance the community calls the panel lottery, and the only ticket that wins is reading the panel's own label — maker, model, connector type — once the bezel is off, then ordering by panel model rather than laptop name. The swap itself runs on disciplines the volume already owns: bezel entry by clips or warmth depending on the design's generation, the eDP cable's connector handled by its actual mechanism, and the test boot before the last screw. The second family is the platform's signature structural failure: the hinge disaster. Hinges stiffen with age; the closing torque that once spread across the lid concentrates at the mounting bosses; and one day the brass inserts tear out of the plastic that held them — a failure that looks cosmetic and is structural, priced honestly as the rebuild it is: epoxy reconstruction around re-seated inserts, structural fill where the plastic is gone, or donor case parts where the economics say so. The third family is the border crossing itself: the display cable and antenna lines that thread the hinges and fatigue with every opening — the flicker-at-an-angle symptom that convicts a cable before any panel is blamed, the antenna re-routing that decides whether Wi-Fi survives a screen job, and the §2.5 flex rules applied at the platform's highest-traffic crossing. The section closes with the verification that makes lid work professional — the temporary-connection test boot, the uniformity and dead-pixel checks, the hinge sweep through its full range, the Wi-Fi check that catches a pinched antenna — and the library entry that makes the next same-model lid a routine. By the end, the laptop's most visible failures are the bench's most methodical repairs.

IntermediateMedium Risk22 min read

What You Will Learn

  • You will learn the panel job — bezel entry by design generation, the panel's own label as the order's ground truth, and the swap under the flex rules.
  • You will learn the panel lottery — why one model name spans suppliers, connectors, and resolutions — and the label-first ordering that beats it.
  • You will learn the hinge disaster — why bosses tear, the repair ladder from epoxy reconstruction to donor case parts, and the honest structural pricing.
  • You will learn the crossing's repairs — the eDP cable and antenna lines through the hinges, the flicker-at-an-angle conviction, and the re-routing that saves Wi-Fi.
  • You will learn the lid's verification suite — test boot before final closure, uniformity and pixel checks, the hinge sweep, the Wi-Fi check — and the library entry.

What You Will Be Able To Do

  • You will be able to enter any bezel by its design's method and read the panel's label as the order's ground truth.
  • You will be able to swap a panel by exact variant — connector, resolution, mounting — under the flex rules, with the test boot before closure.
  • You will be able to assess a torn hinge boss and choose the repair rung — epoxy reconstruction, structural fill, or donor part — priced as structural work.
  • You will be able to convict a hinge-crossing cable from its symptoms and re-route cables and antennas so the lid survives its next ten thousand openings.
  • You will be able to run the lid's verification suite and write the library entry that makes the next same-model job routine.

Required Tools

  • Plastic picks and a spudger for bezel entry, with gentle warmth for adhesive designs
  • Fine drivers and tweezers for panel screws and the eDP connector's mechanism
  • Two-part epoxy and structural filler for boss reconstruction
  • Magnification for panel labels, connector locks, and boss assessment
  • A known Wi-Fi network and a test pattern source for the verification suite
  • The camera and tray discipline — lid work produces small parts in layers

Section Overview

The lid breaks visibly, and its three job families — panel, hinge, crossing — are this section's whole subject (laptop-platform-overview-and-common-failures). The panel job's trap is the order. One model name spans suppliers, connectors, and resolutions — the panel lottery — and the winning ticket is the panel's own label, read once the bezel is off and ordered by panel model, never laptop name. The swap is owned discipline. Bezel entry by clips or warmth per the design's generation, the eDP cable's connector worked by its actual mechanism, and the flex rules at every step (psp-and-ps-vita-repair). The hinge disaster is structural. Stiffened hinges concentrate closing torque at each hinge boss until the brass inserts tear from the plastic — repaired up a ladder: epoxy reconstruction, structural fill, donor case parts — and priced as the rebuild it is (teardown-methodology-and-part-management). The crossing convicts by symptom. Flicker at an angle indicts the cable threading the hinge before any panel is blamed, and the antenna re-route decides whether Wi-Fi survives the job. And the close is a suite plus a file. Test boot before final closure, uniformity and pixel checks, the hinge sweep, the Wi-Fi check — then the library entry that makes the next same-model lid routine (hdmi-port-replacement-across-consoles). The label, the ladder, the crossing, the suite, the file — the lid, repaired methodically.

Why This Matters

Lid failures are the laptop queue's most visible jobs, and visibility is exactly why they build or break reputations (laptop-platform-overview-and-common-failures). This matters because the lottery eats unordered benches: the wrong-connector panel is the platform's most common self-inflicted parts loss — a week of waiting and a restocking fee, paid for skipping a label that was one bezel away (hdmi-port-replacement-across-consoles). This matters because the hinge disaster is systematically underquoted: it looks like a loose screw and is a structural rebuild — the bench that prices it as cosmetic eats the difference, and the one that explains the bosses earns the honest fee (teardown-methodology-and-part-management). It matters because the crossing's symptoms mislead: flicker reads as a dying panel and is usually a fatigued cable at a tenth the price — the conviction order saves the customer money and the bench a needless panel swap (psp-and-ps-vita-repair). It matters because the antenna mistake is silent: Wi-Fi that died after a screen job is the platform's classic callback, caused by a pinched or forgotten antenna line — and prevented by a verification step that costs thirty seconds. And it matters because lid work compounds: panel variants, bezel methods, and boss geometries repeat per model — the library entry turns each first job into every later job's head start. Do the lid methodically, and the queue's most visible work becomes its most reliable.

Required Prerequisites

  • Two-part epoxy and metal-filled structural filler — to rebuild bosses around re-seated inserts with material that holds torque (teardown-methodology-and-part-management)
  • Plastic picks and fresh bezel clips where the design uses them — to enter lids without creasing covers or snapping tabs
  • Double-sided panel tape and adhesive strips — to re-mount panels the way the design mounted them (psp-and-ps-vita-repair)
  • Cable-routing guides or thin kapton — to dress the crossing so nothing pinches at the hinge
  • A per-model lid file in the library — to record variants, entry methods, and boss notes at every close (hdmi-port-replacement-across-consoles)
  • A donor laptop lid — any model — to drill bezel entry, panel removal, and the label read where mistakes are free (laptop-platform-overview-and-common-failures)
  • A lid with a torn hinge boss — to practise the assessment and the epoxy rebuild on real damage
  • Two different models' lids — to see the panel lottery and bezel-method variance firsthand
  • A working machine on a known Wi-Fi network — to run the verification suite end to end, antennas included
  • The community's panel databases — to cross-reference a label against compatible replacements (hdmi-port-replacement-across-consoles)

Real-World Applications

The lid's queue runs on exactly these calls. A bench quoting a cracked screen opens the bezel first and reads the panel's label — maker, model, connector — and orders the exact variant while the competitor across town orders by laptop name and eats the wrong-connector week (hdmi-port-replacement-across-consoles). A technician facing a lid that flickers when opened past halfway convicts the crossing before the panel: the eDP cable fatigued at the hinge, replaced for a tenth of a panel's price — the symptom's angle-dependence was the testimony (psp-and-ps-vita-repair). Someone handed a laptop whose lid wobbles finds both hinge bosses torn from the base's plastic, quotes the structural rebuild honestly — epoxy around re-seated inserts, cure time included — and explains why it is not a loose screw (teardown-methodology-and-part-management). A shop that once returned a screen job with dead Wi-Fi now runs the antenna check on every lid close — the thirty-second step that ended its classic callback. And a bench doing its third lid on the same model opens the library entry — bezel method, panel variant, boss notes — and finishes in half the first job's time (laptop-platform-overview-and-common-failures). The failures this prevents: the wrong-connector panel, the flicker misread as a dying screen, the boss rebuild priced as a screw-tighten, and the pinched antenna that follows the screen job home.

Common Challenges

  • Bezels hide their method. Clipped, screwed under rubber feet, or glued — and the wrong assumption cracks the coverthe difficulty is reading the design's generation before the first pick: the guide, the library, or gentle exploration at a corner (teardown-methodology-and-part-management).
  • The lottery punishes confidence. The last three panels of this model had one connector; the fourth has the otherthe difficulty is reading the label every time, because the lottery redraws mid-production-run (hdmi-port-replacement-across-consoles).
  • Boss repairs tempt undersizing. A dab of glue holds until the first firm closethe difficulty is treating the rebuild as structural: full reconstruction around the insert, cure time respected, and the torque path considered (psp-and-ps-vita-repair).

Safety Notes

Risk Level: Medium. Lid work is mechanical and gentle — its hazards are to the machine, plus the platform's standing rules.

Professional Tips Before Starting

  • Photograph the label before the panel moves. Maker, model, connector — the order's ground truth, filed in the librarythe §1.3 camera habit at its highest-value moment (hdmi-port-replacement-across-consoles).
  • Test boot before the last screw. The temporary connection costs two minutes; the full reassembly it saves costs twentythe lid's cheapest insurance (laptop-platform-overview-and-common-failures).
  • Quote boss repairs with cure time in them. Epoxy that cures overnight is a next-day jobthe honest timeline is part of the structural price (teardown-methodology-and-part-management).

The Lid Repaired — The Label, The Ladder, The Crossing, The Suite

Recap and Frame

The platform map drew two worlds and a border; this section repairs the lid's side of it (laptop-platform-overview-and-common-failures). Three families cover the queue. The panel job — the volume seller; the hinge disaster — the structural signature; and the crossing's cables — the misread symptoms: every lid intake lands in one, and some land in two. The disciplines are all owned. Bezel entry is §1.4's adhesive-and-clips method; the cables are §2.5's flex rules; the ordering reflex is the volume's oldest habit; the library is §3.4's — the lid adds geometry, not method (teardown-methodology-and-part-management). The stakes are the platform's. The machine carries the owner's life, so the battery disconnects first, the data conversation already happened, and the glass gets handled like the fragile laminate it is (psp-and-ps-vita-repair). And the products are a working lid plus a file. Every lid job closes with the verification suite and a library entry — because panel variants and boss geometries repeat per model, and the second job should inherit the first (hdmi-port-replacement-across-consoles). Hold the frame — three families, owned disciplines, platform stakes, compounding files — and the queue's most visible work becomes its most methodical.

The Panel Job and the Lottery

The panel swap is easy; the panel order is where benches bleed — and the label is the cure (hdmi-port-replacement-across-consoles). The lottery is real and structural. Makers dual- and triple-source panels within one retail model: different suppliers, different connectors — 30- and 40-pin eDP variants — different resolutions and finishes, redrawn across configurations and mid-production runs; the laptop's name cannot say which ticket this machine holds. The label is the ground truth. On the panel's back: the panel maker and panel model number — the identity that parts databases and suppliers actually key on — read once the bezel is off and photographed into the library before anything is ordered (laptop-platform-overview-and-common-failures). Bezel entry is design archaeology. Older lids clip; some hide screws under bumpers; modern thin lids glue their bezels or bond the whole stack — the method is read before the first pick, from the guide, the library, or careful exploration, because the wrong assumption cracks covers (teardown-methodology-and-part-management). The swap runs on flex rules. Panel screws or adhesive strips released, the panel tilted forward glass-respected, and the eDP connector worked by its mechanism — locking tab or tape, never a pull on the cable — with the §2.5 handling from lift to landing (psp-and-ps-vita-repair). The order is by panel model. Exact panel model or a database-verified equivalent — matching connector, resolution, mounting, and finish — because 'fits the laptop' is the lottery's losing phrase. A real lottery, a label that wins it, entry read first, a flex-ruled swap, an order keyed to the panel — the volume seller, done in order. Read the label before the order, and the lottery never collects.

The Hinge Disaster — Structural Work in Cosmetic Clothing

The platform's signature structural failure looks like a loose screw, and pricing it honestly starts with understanding it (teardown-methodology-and-part-management). The mechanism is torque concentration. Hinges stiffen as their grease ages and their friction washers wear; the opening force that once spread across the lid concentrates at the mounting points; and each boss — the plastic tower holding a threaded brass insert — takes cycles of torque it was never budgeted for until the insert tears free, taking plastic with it. The assessment reads the damage. One boss lifted with plastic intact is the ladder's bottom; shattered towers and missing material climb it; and cracks spreading into the case's structure change the job's scope — magnified inspection, photographed per the record rules (laptop-platform-overview-and-common-failures). The repair is a ladder. Re-seat and rebuild: the insert epoxied back with structural adhesive built up around it, oriented so the torque path loads the new material in compression; structural fill: metal-filled filler rebuilding missing plastic before the insert returns; donor case parts: when the tower field is gone, the palmrest or lid from the donor market beats sculpture (psp-and-ps-vita-repair). The hinge itself gets served. The failure's cause was the stiffened hinge — cleaned and eased where the design allows, or replaced — because a rebuilt boss under the same stiff hinge is a repeat appointment. Cure time is job time. Structural epoxy cures on its own schedule; the quote includes it, and the first firm close happens on the bench, not in the customer's bag (hdmi-port-replacement-across-consoles). Torque concentration, a read assessment, the three-rung ladder, the cause served, the cure respected — structural work, priced as such. Fix the boss and the hinge, or the boss again.

The Crossing — Cables, Antennas, and the Misread Symptom

Everything between the worlds threads the hinges, and the crossing's failures wear other parts' costumes (psp-and-ps-vita-repair). The cable convicts by angle. Flicker, blackouts, or color noise that changes with lid angle testifies against the display cable fatigued at its hinge pass — not the panel — and the conviction costs a wiggle test at intake: symptom tracking lid position is the crossing speaking (laptop-platform-overview-and-common-failures). The eDP cable is replaced, not repaired. Both ends get re-seated before any order — a marginal connector mimics a fatigued loom for free — and then fatigued conductors inside a hinge-flexed loom fail again — the §2.5 verdict — so the replacement routes exactly as the original: the same channel, the same slack loop at the hinge, because the routing is the strain relief (teardown-methodology-and-part-management). The antennas are the silent passengers. Wi-Fi's antenna lines thread the same hinges to reach the lid — re-routed during any lid work with their connectors seated by click, never left for reassembly to trap, because the pinched antenna is the screen job's classic parting gift. The camera rides the crossing too. Its cable often shares the display loom or runs its own thin flex — inventoried before the lid opens, per the §2.5 map-before-pry rule. Dress decides durability. At reassembly the crossing is dressed deliberately: cables in their channels, the slack loop restored, nothing proud where the hinge cover lands — the ten-thousand-opening future is decided in this minute (hdmi-port-replacement-across-consoles). Angle testimony, replacement over repair, antennas remembered, the camera inventoried, the dress deliberate — the crossing, kept honest. When the symptom tracks the angle, believe the crossing before the panel.

The Suite and the File

Lid work closes with a fixed verification suite, and the suite has saved more reputations than any solder joint (laptop-platform-overview-and-common-failures). The test boot comes before closure. Panel connected temporarily — cable seated, lid loose — and the machine booted to a full-screen image: the two-minute step that catches the wrong variant, the unseated connector, and the dead-on-arrival panel before twenty minutes of reassembly bury them (teardown-methodology-and-part-management). The image gets judged, not glanced. A white field for uniformity and backlight evenness; dark for bleed and dead pixels; the brightness swept — because the customer will judge it in their first hour, and the bench should judge it first. The hinge sweeps its range. Full open to close, smooth and even, no new creaks, the lid holding angles — the mechanical verdict on hinge and boss work (psp-and-ps-vita-repair). Wi-Fi testifies for the antennas. A known network joined and signal compared to expectation — the thirty-second check that catches the pinched line while the lid is still willing to reopen. The file closes the job. The library entry: panel maker and model seen, connector, bezel method, boss notes, cable routing photos — §3.4's habit, growing the per-model file that halves the next job (hdmi-port-replacement-across-consoles). Boot before closure, judge the image, sweep the hinge, ask the antennas, write the file — the suite entire. Verify while the lid is still open, and the callback never rings.

Common Mistakes

  • Ordering by laptop name. The lottery redraws connectors and resolutions inside one namethe panel's own label is the order's only ground truth (hdmi-port-replacement-across-consoles).
  • Prying a glued bezel like a clipped one. The design's generation decides the methodguide, library, or careful exploration before the first pick (teardown-methodology-and-part-management).
  • Pricing boss repairs as screw-tightens. Torn inserts are structural failures with cure timesthe ladder is quoted honestly, hinge service included (laptop-platform-overview-and-common-failures).
  • Replacing the panel for a cable's crime. Angle-dependent symptoms testify against the crossingthe wiggle test convicts before any panel money moves (psp-and-ps-vita-repair).
  • Closing the lid before the suite. The unseated connector and pinched antenna hide until the last screwtest boot, image judgment, hinge sweep, Wi-Fi check — then closure.

Troubleshooting Guidance

The lid's walk runs symptom, world, label, ladder, suite. If the screen is cracked or lined: the panel job — bezel by the design's method, the label read and photographed, the order by panel model (hdmi-port-replacement-across-consoles). If the image misbehaves with lid angle: the crossing — the cable's hinge fatigue convicted by the wiggle test before any panel is blamed (psp-and-ps-vita-repair). If the image is black but faintly ghosted under a light: the backlight path, not the glass — the panel's light is off while its picture runs, and the diagnosis walks the rail and cable before the panel. If the lid wobbles or grinds: the hinge assessment — bosses under magnification, the ladder chosen, the hinge itself served as the cause (teardown-methodology-and-part-management). If Wi-Fi died after lid work: the antennas — pinched or unseated at the crossing, the classic parting gift, found by the check that should have run at closure. If the bezel resists entry: stop and re-read the method — clips, hidden screws, or adhesive — because force answers a question the design already answered (laptop-platform-overview-and-common-failures). If the new panel shows the wrong resolution or nothing: the variant check — the label against the order — before any deeper theory. The throughline: let the angle testify, let the label order, climb the boss ladder honestly, and run the suite before the last screw.

Verification & Testing Methods

Confirm the lid discipline before the queue tests it:

  • [ ] I enter bezels by the design's method — clips, hidden screws, or warmth on adhesive — read from the guide or library before the first pick, and I handle every panel as edge-held glass.
  • [ ] I beat the panel lottery by reading the panel's own label — maker, panel model, connector, resolution — photographing it into the library, and ordering by panel model, never laptop name.
  • [ ] I convict the crossing by its testimony — image faults that track lid angle indict the cable at the hinge, confirmed by the wiggle test and a re-seat of both ends before any order — and I work the eDP cable and every crossing flex by the rules: locks by mechanism, no creases, replacement over repair on fatigued looms, the routing restored as the strain relief it is.
  • [ ] I assess every torn hinge boss as structural work — the ladder from epoxy reconstruction around re-seated inserts to donor case parts, the stiff hinge served as the cause, cure time in the quote.
  • [ ] I run the suite on every lid close — test boot before final closure, the image judged on white and dark fields, the hinge swept, Wi-Fi checked against a known network — and I write the library entry.

Then try the practice exercises below — bench work on donor lids; scenarios differ from the quiz.

Practice Exercises

  1. Read two labels (5 minutes, donor lids or photos). Enter two different lids by their designs' methods — noting clip, screw, or adhesive entry — and read each panel's label: maker, panel model, connector, resolution; then write the order line each would justify and one sentence on what ordering by laptop name would have risked (hdmi-port-replacement-across-consoles).
  2. Swap a panel with the suite (5 minutes, one donor lid). Remove and re-seat a panel under the flex rules — eDP lock by mechanism, glass by edges — then run the verification suite as far as the hardware allows: temporary-connection test boot, white and dark field judgment, hinge sweep, and the Wi-Fi check where a network exists (laptop-platform-overview-and-common-failures).
  3. Assess and plan a boss repair (5 minutes, damaged lid or photos). For a torn hinge boss: photograph and assess the damage under magnification, choose the ladder rung — reconstruction, fill, or donor part — write the repair plan including the insert's re-seating orientation and the cure time, and add the hinge-service line that treats the cause (teardown-methodology-and-part-management).
  4. Convict, then dress the crossing (3 minutes, any lid). Run the conviction first — on a working machine, sweep the lid slowly while watching the image and state the verdict a wiggle test would deliver for an image fault that tracked the angle — then inventory everything threading one hinge — display cable, antennas, camera — and re-dress it deliberately: channels, the slack loop, connectors seated by click, nothing proud under the hinge cover; finish with the library entry this lid's job would file (psp-and-ps-vita-repair).

These core steps — the label read, the flex-ruled swap with its suite, the boss ladder, and the deliberate crossing — are tested in the Chapter Quiz at the end of this chapter, where a score of 80% is required to continue.

Key Takeaways

  • The panel lottery is structural: one retail name spans panel makers, connectors, and resolutions, redrawn mid-run — and the panel's own label, read once the bezel is off and ordered by panel model, is the only ticket that wins (hdmi-port-replacement-across-consoles).
  • The swap is owned discipline — bezel entry by the design's method, glass by its edges, the eDP connector by its mechanism, every crossing flex under the §2.5 rules — with the test boot before final closure as the lid's cheapest insurance (psp-and-ps-vita-repair).
  • The hinge disaster is structural work in cosmetic clothing: stiffened hinges concentrate torque until each hinge boss tears its insert free — repaired up the ladder from epoxy reconstruction to donor case parts, with the stiff hinge served as the cause and cure time priced as job time (teardown-methodology-and-part-management).
  • The crossing's failures wear other parts' costumes — angle-dependent flicker convicts the cable before the panel, and the pinched antenna is the screen job's classic parting gift — so cables replace rather than repair, and the dress at reassembly is the strain relief (laptop-platform-overview-and-common-failures).
  • Every lid job closes with the suite — test boot, image judgment on white and dark, the hinge sweep, the Wi-Fi check — and the library entry that makes the next same-model lid half the work.

Skills Learned

  • You can now enter any bezel by its design's method and read the panel's label as the order's ground truth.
  • You can now swap a panel by exact variant — connector, resolution, mounting — under the flex rules, with the test boot before closure.
  • You can now assess a torn hinge boss and choose the repair rung — epoxy reconstruction, structural fill, or donor part — priced as structural work.
  • You can now convict a hinge-crossing cable from its symptoms and re-route cables and antennas so the lid survives its next ten thousand openings.
  • You can now run the lid's verification suite and write the library entry that makes the next same-model job routine.

Glossary Additions

  • panel lottery — the community's name for panel-supplier variance within a single laptop model: makers dual- and triple-source displays, so one retail name spans different panel manufacturers, connector types — including 30- and 40-pin eDP variants — resolutions, finishes, and mountings, redrawn across configurations and even mid-production runs. The lottery's cost is the wrong-connector panel: a week of waiting and a restocking fee paid for ordering by laptop name. The winning ticket is the panel's own label — the panel maker and panel model number printed on its back, the identity that suppliers and compatibility databases actually key on — read once the bezel is off, photographed into the library, and used as the order's ground truth, with database-verified equivalents acceptable when they match connector, resolution, mounting, and finish.
  • hinge boss — the plastic tower inside a laptop's base or lid that holds a threaded brass insert for the hinge's mounting screws. Bosses are the platform's signature structural failure: hinges stiffen as grease ages and friction washers wear, the opening torque that once spread across the lid concentrates at the mounts, and the insert eventually tears free of plastic budgeted for far less. The repair is a ladder priced as structural work — the insert epoxied back with structural adhesive built up around it and oriented so torque loads the new material in compression; metal-filled filler rebuilding missing plastic; or donor case parts when the tower field is gone — and it always includes serving the stiffened hinge itself, because a rebuilt boss under the same stiff hinge is a repeat appointment. Cure time is job time.
  • eDP — embedded DisplayPort: the interface standard carrying a modern laptop's video from board to panel over the display cable that threads the hinges, commonly in 30-pin and 40-pin connector variants — the higher pin counts often riding with touch, higher refresh, or different backlight arrangements — whose difference is one of the panel lottery's traps. On the bench, eDP means three disciplines: the connector is worked by its actual mechanism — locking tabs or retention tape, never a pull on the loom; the cable is the crossing's fatigue point, convicted by angle-dependent flicker and replaced rather than repaired when its conductors crack; and the routing is the strain relief — the replacement follows the original's channel and slack loop exactly, because the dress at the hinge decides whether the cable survives its next ten thousand openings.

Suggested Next Sections

Must read next:

  • Laptop Keyboards, Batteries, and Upgrades — Section 4.3 takes the friendly queue: keyboard replacement across the design generations, battery service under lithium law, and the storage and memory upgrades that are half the bench's laptop business — with the data path planned before any drive moves.

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