Aug 11, 2025
On this page
- 1. Dell XPS 13 7390 Pre-Disassembly: Value Assessment & Preparation
- 1. Component Valuation Guide
- 2. Resale Documentation
- 3. Essential Tools
- 4. Warranty Verification
- 5. Safety Precautions
- 2. Dell XPS 13 7390 Bottom Cover Removal: Safe Access for Upgrades
- 1. Precision Screw Removal
- 2. Hidden Clip Locations
- 3. Safe Cover Separation
- 4. Preserving Resale Value
- Common XPS-Specific Issues
- 3. Dell XPS 13 7390 SSD Upgrade: Storage Solutions & Resale Value
- SSD Specifications
- SSD Replacement Process
- Performance Comparison
- Current Resale Values (Q3 2024)
- Maximizing Resale Value
- Buyer Compatibility Notes
- 4. Dell XPS 13 7390 Battery Replacement & Resale Guide
- Battery Specifications
- Safe Battery Removal Process
- Current Resale Values (Q3 2024)
- Maximizing Resale Value
- Shipping Best Practices
- Buyer Compatibility Notes
- 5. Dell XPS 13 7390 LCD Replacement: Panel Options & Resale Value
- Display Specifications
- Screen Replacement Process
- Current Market Values (Q3 2024)
- Selling Your Old Screen
- Common XPS-Specific Issues
- 6. Dell XPS 13 7390 Motherboard: Resale Valuation & Market Demand
- Motherboard Specifications
- Current Resale Values (Q3 2024)
- Maximizing Resale Value
- Target Buyer Markets
- Compatibility Notes
- 7. Where to Sell Dell XPS 13 7390 Parts for Maximum Profit
- Best Marketplaces for XPS Components
- Selling to Government & Education Buyers
- Optimizing Your Listings
- When to Sell for Maximum Profit
- Need to Sell Your Dell Laptop? Get Instant Cash!
1. Dell XPS 13 7390 Pre-Disassembly: Value Assessment & Preparation
1. Component Valuation Guide
| Part | Condition | Price Range | XPS Premium |
|---|---|---|---|
| 512GB NVMe SSD | Used, tested | $50-$80 | +25% |
| Original Battery | <300 cycles | $80-$120 | +30% |
| 4K Touch Display | No dead pixels | $150-$250 | +40% |
2. Resale Documentation
- Performance Records:
- Run Dell SupportAssist diagnostics
- Capture battery health (F12 at startup)
- Visual Documentation:
- Photograph Service Tag and Express Service Code
- Record Dell part numbers (e.g. 0T7D6C)
3. Essential Tools
- Basic Tools:
- T5 Torx screwdriver (iFixit set)
- Plastic spudger (0.6mm)
- Specialty Items:
- ESD-safe workspace
- Suction cup for display removal
4. Warranty Verification
- Check Dell Warranty Status
- Review Dell's upgrade policy
- Note remaining Premium Support coverage
5. Safety Precautions
- Power down and unplug charger
- Discharge residual power (hold power button 20 sec)
- Use anti-static wrist strap
2. Dell XPS 13 7390 Bottom Cover Removal: Safe Access for Upgrades
1. Precision Screw Removal
- Locate All Fasteners:
- 8 proprietary Torx T5 screws (different lengths)
- Use magnetic mat to organize screws by position
- Proper Technique:
- Apply firm downward pressure (0.6 Nm torque)
- XPS-specific: Counter-clockwise turns only
2. Hidden Clip Locations
| Area | Release Method | Tool |
|---|---|---|
| Front Edge | Insert at 25° angle near touchpad | 0.6mm plastic spudger |
| Rear Edge | Lift upwards first, then slide forward | iFixit opening picks |
3. Safe Cover Separation
- Initial Break:
- Start near front-right corner (XPS weak point)
- Use suction cup for initial 2mm lift
- Full Removal:
- Maintain 30° angle during separation
- Watch for fingerprint reader cable (center-top)
4. Preserving Resale Value
- No-Scratch Technique:
- Plastic tools only (metal voids Dell warranty)
- Damaged covers reduce value by 30-40% on XPS models
- Reassembly Prep:
- Photograph screw positions (different lengths)
- Note clip engagement points
Common XPS-Specific Issues
| Problem | Solution | Resale Impact |
|---|---|---|
| Stuck adhesive | Apply 99% isopropyl with dental floss | Prevents case warping |
| Stripped screw | Use rubber band for grip | Avoids service marks |
0:25 Bottom Case 1:53 Battery 4:00 Motherboard 5:50 Heatsink Cooling Fan Assembly 7:57 WiFi Card 8:15 Speakers 9:19 Hinges 9:53 Keyboard 9:58 Touchpad 10:05 Palmrest Assembly 10:12 Display Assembly
3. Dell XPS 13 7390 SSD Upgrade: Storage Solutions & Resale Value
SSD Specifications
| Slot Type | Form Factor | Interface | Max Capacity | Speed |
|---|---|---|---|---|
| Primary | M.2 2280 | NVMe PCIe 3.0 x4 | 2TB | 3500MB/s |
SSD Replacement Process
- Access SSD Bay:
- Remove single M2x3 screw (marked with SSD icon)
- Note thermal pad orientation
- Module Replacement:
- Insert new SSD at 30° angle (gold contacts first)
- Secure with 0.6 Nm torque
- Reapply thermal pad for optimal cooling
Performance Comparison
- XPS-Optimized Speeds:
- Sequential Read: Up to 3400MB/s
- Sequential Write: Up to 3000MB/s
- Real-World Benefits:
- Windows boot time: Under 7 seconds
- Application launches: 2x faster than SATA
Current Resale Values (Q3 2024)
| Capacity | Used OEM | New Retail | XPS Premium |
|---|---|---|---|
| 256GB NVMe | $40-$60 | $70-$100 | +30% |
| 512GB NVMe | $60-$90 | $110-$150 | +35% |
| 1TB NVMe | $100-$160 | $180-$240 | +40% |
Maximizing Resale Value
- Data Sanitization:
- Perform secure erase in Dell BIOS
- Include certificate of data wipe
- Health Documentation:
- Show TBW under 50% rating
- Document power-on hours under 5,000
Buyer Compatibility Notes
- Works with XPS 13 7390/7391 models only
- Not compatible with PCIe 4.0/5.0 drives
- Requires Dell-approved thermal solution
4. Dell XPS 13 7390 Battery Replacement & Resale Guide
Battery Specifications
| Model | Capacity | Voltage | Part Number | Cycle Life |
|---|---|---|---|---|
| Standard | 51Wh | 11.4V | 0T7D6C | 500 cycles |
Safe Battery Removal Process
- Power Down Safely:
- Shut down completely
- Hold power button for 15 seconds
- Disconnect Battery:
- Locate 3-pin connector (center-left)
- Use plastic spudger to release latch
- Remove Battery:
- Unscrew 4x T5 screws (marked with battery icon)
- Lift from bottom edge first
Current Resale Values (Q3 2024)
| Condition | 51Wh Battery | XPS Premium |
|---|---|---|
| New OEM | $100-$140 | +35% |
| <200 cycles | $80-$110 | +25% |
| <400 cycles | $60-$90 | +15% |
Maximizing Resale Value
- Health Documentation:
- Generate battery health report via powercfg
- Show cycle count under 300
- Include Dell Power Manager screenshots
- Physical Preparation:
- Clean contacts with isopropyl alcohol
- Measure thickness (should be <7.8mm)
Shipping Best Practices
- Discharge to 30-50% charge level
- Use original protective packaging
- Include UN3481 lithium battery labels
Buyer Compatibility Notes
- Fits XPS 13 7390/7391 models only
- Not compatible with newer XPS 13 designs
- Requires Dell-specific power calibration
5. Dell XPS 13 7390 LCD Replacement: Panel Options & Resale Value
Display Specifications
| Model | Resolution | Panel Type | Part Number | Touch Support |
|---|---|---|---|---|
| Standard | 1920Ă—1080 | IPS | 0T7D6C | No |
| Premium | 3840Ă—2160 | IPS Touch | 0K5Y7J | Yes |
Screen Replacement Process
- Bezel Removal:
- Use plastic pry tools starting at bottom edge
- Release 12 clips (6 top, 6 bottom)
- Note adhesive strip locations
- Display Disconnection:
- Release 40-pin eDP connector latch
- Remove webcam/mic cables carefully
- New Panel Installation:
- Align with mounting holes (4x M2.5 screws)
- Torque to 0.4 Nm (Dell specification)
Current Market Values (Q3 2024)
| Panel Type | Used/Tested | New OEM | XPS Premium |
|---|---|---|---|
| FHD IPS | $120-$180 | $250-$350 | +25% |
| 4K Touch | $250-$350 | $450-$600 | +40% |
Selling Your Old Screen
- Condition Documentation:
- Photograph with solid color test patterns
- Note any dead pixels or backlight bleed
- Include Dell panel ID sticker photos
- Packaging:
- Use original protective foam spacers
- Double-box with 2" minimum padding
Common XPS-Specific Issues
| Symptom | Solution | Resale Impact |
|---|---|---|
| Flickering | Reseat eDP cable | No value loss if fixed |
| 3-5 dead pixels | Sell as "B-grade" | 30% reduction |
6. Dell XPS 13 7390 Motherboard: Resale Valuation & Market Demand
Motherboard Specifications
| Model | Chipset | CPU Support | Part Number | Production Years |
|---|---|---|---|---|
| Standard | Intel WM390 | 10th Gen Core i5/i7 | 0T7D6C | 2019-2021 |
Current Resale Values (Q3 2024)
| Condition | i5-10210U | i7-10510U | Parts Only |
|---|---|---|---|
| Fully Functional | $200-$280 | $250-$350 | - |
| Minor Issues | $150-$200 | $180-$250 | $100-$150 |
| For Components | $80-$150 | $100-$180 | $60-$120 |
Maximizing Resale Value
- Documentation:
- Photograph all Dell service tags and barcodes
- Include BIOS version screenshots
- Show CPU stress test results
- Presentation:
- Clean with 99% isopropyl alcohol
- Remove all thermal paste residue
- Package in anti-static bag with foam supports
Target Buyer Markets
- Corporate Refurbishers:
- Pay 25-35% premium for Dell-certified boards
- Require complete service history
- IT Repair Shops:
- Seek boards with known-good components
- Value partial functionality
Compatibility Notes
- Works with XPS 13 7390 only
- Requires matching generation CPU/RAM
- Not compatible with XPS 13 2-in-1 models
7. Where to Sell Dell XPS 13 7390 Parts for Maximum Profit
Selling to Government & Education Buyers
- Documentation Requirements:
- Dell Service Tag verification
- ePSA diagnostics report
- Original purchase proof (for .gov)
- Pricing Strategies:
- List at 15-20% above market for GSA
- Offer educational discounts (5-10%)
- Bundle compatible components
Optimizing Your Listings
| Platform | Title Formula | Key Words |
|---|---|---|
| eBay | "Dell XPS 13 7390 [Part] [PN] Tested Working" | OEM, Pulled, Verified |
| SellBroke | "Dell XPS 7390 [Condition] [Part] - [Specs]" | Genuine, Refurb, Grade A |
| .gov | "Dell XPS 13 7390 [NSN if available] [Part#]" | GSA, FSC, ITAR |
When to Sell for Maximum Profit
- Corporate Buyers: January-March (budget cycles)
- Schools/Universities: May-July (summer upgrades)
- Government Agencies: September (fiscal year-end)
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