HP ZBook Studio x360 Maintenance and Service Guide - Page 138

Read-write error, Slow performance, Blue screen (BSOD) error, Common Blue Screen Error Messages

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Read-write error Items Procedures Symptoms Possible causes ● Post error message (i.e., error Loose connection, faulty hardware. code 301) Troubleshooting steps ● Hang when working on data, files, documents 1. Perform a hard reset (8. Hard reset on page 86). 2. Reset BIOS to default (9. Soft reset (Default Settings) on page 87). 3. Verify drive connection and flex cable. Reseat connection (10. Reseat cables and connections on page 87). 4. Use the HP Hardware Diagnostics tool to test. If failed, record failure code and have the hard drive replaced. 5. If no error with HP PC Hardware Diagnostics (UEFI) tool, try to repair the hard drive and its files in Windows (using command "CHKDSK /f /r /x"). Use HP Restore to reinstall the operating system, if needed. 6. Test with a verified working hard drive. If it is not recognized, the system board is faulty. Note If there is a hard drive POST error message, see POST Error Messages and User Actions on page 135. Slow performance Items Symptoms Slow performance even when performing small read/write operations Tips & tricks Procedures Possible causes Operating system files, hard drive is full. Troubleshooting steps 1. Transfer data from the hard drive to create more space. Microsoft recommends at least 200 MB to sync system files. 2. Perform disk defragmentation to consolidate fragmented data on the hard drive so it will work more efficiently. NOTE: Do not defrag an SSD. For optimal system performance, you need to place your operating system and all of your most commonly used applications and files in the fastest hard drive (solid-state drive) and fastest areas on the drive (primary partition of 200 GB max). See Routine Maintenance for Performance Improvement on page 137). Blue screen (BSOD) error Faulty hard drive may cause blue screen error. Perform the drive tests using the HP Diagnostics Tool to make sure the drive is functional. If all of the tests pass, see Common Blue Screen Error Messages on page 137 for detailed troubleshooting steps. 126 Chapter 6 Troubleshooting guide

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Read-write error
Items
Procedures
Symptoms
●
Post error message (i.e., error
code 301)
●
Hang when working on data,
files,
documents
Possible causes
Loose connection, faulty hardware.
Troubleshooting steps
1.
Perform a hard reset (
8. Hard reset
on page
86
).
2.
Reset BIOS to default (
9. Soft reset (Default Settings)
on page
87
).
3.
Verify drive connection and
flex
cable. Reseat connection (
10. Reseat cables and
connections
on page
87
).
4.
Use the HP Hardware Diagnostics tool to test. If failed, record failure code and have the
hard drive replaced.
5.
If no error with HP PC Hardware Diagnostics (UEFI) tool, try to repair the hard drive and
its
files
in Windows (using command
“CHKDSK /f /r /x”
). Use HP Restore to
reinstall the operating system, if needed.
6.
Test with a
verified
working hard drive. If it is not recognized, the system board is
faulty.
Note
If there is a hard drive POST error message, see
POST Error Messages and User Actions
on page
135
.
Slow performance
Items
Procedures
Symptoms
Slow performance even when
performing small read/write
operations
Possible causes
Operating system
files,
hard drive is full.
Troubleshooting steps
1.
Transfer data from the hard drive to create more space. Microsoft recommends at least
200 MB to sync system
files.
2.
Perform disk defragmentation to consolidate fragmented data on the hard drive so it
will work more
efficiently.
NOTE:
Do not defrag an SSD.
Tips & tricks
For optimal system performance, you need to place your operating system and all of your
most commonly used applications and
files
in the fastest hard drive (solid-state drive) and
fastest areas on the drive (primary partition of 200 GB max).
See
Routine Maintenance for Performance Improvement
on page
137
).
Blue screen (BSOD) error
Faulty hard drive may cause blue screen error. Perform the drive tests using the HP Diagnostics Tool to make
sure the drive is functional. If all of the tests pass, see
Common Blue Screen Error Messages
on page
137
for
detailed troubleshooting steps.
126
Chapter 6
Troubleshooting guide