Blue Screen - HP EliteBook 850 G4 Maintenance And Service Manual

Tips and tricks

Blue screen

Symptoms
● Have power, light activity, fan spinning
● HP Logo displays briefly
● Fails to boot into Windows operating
system, displays blue screen, and then
crashes, restarts, or stops responding
Important Notes & Resources
Overview of General Troubleshooting Steps for a blue screen error
1. Note the blue screen error message and what activity was performed at the time.
2. Perform a hard reset
3. Reset BIOS to default
4. Run HP Hardware Diagnostics
hardware issues.
112 Chapter 8 Troubleshooting guide
2. Verify that lights are solid.
3. If shutdown is reproducible, test essential hardware configuration:
a. If no issue with hardware configuration, reinstall one non essential component at
a time to determine faulty hardware.
b. If issue persists, replace essential hardware with a confirmed working part, one at
a time. If no boot, replace system board.
Intermittent issue is difficult to reproduce and troubleshoot. It is important to record details
on shutdown frequencies, system configuration (3D video application) and operating
conditions.
Possible causes
Recent changes: conflict of instructions from multiple programs or just added
hardware.
Incompatible hardware and driver.
Poor connection (hard drive, memory).
Hardware malfunctioning due to overheating (GPU, processor).
Defective hardware (memory, hard drive).
Troubleshooting steps
There are many different ways to troubleshoot a blue screen error. Therefore, you
need to identify working configuration (Windows 7/8/10) and specific symptoms
of the failure in order to narrow down the issue. Refer to
on page 136.
Recommended resources
Microsoft knowledge base:
Resolving Blue Screen errors in Windows
HP Troubleshooting Error Messages on a blue screen:
HP Notebook PCs - Troubleshooting Error Messages on a Blue Screen that may
Occur During Startup or Boot
(8. Hard reset on page 95) after disconnecting all external peripherals.
(9. Soft reset (Default Settings) on page
(6. HP Hardware Diagnostics and Tools on page
Blue screen (BSOD) error
96) to prevent booting to another device.
88) to isolate major faulty