Screen Message Probable Cause Recommended Action
162–System Options Not Set Your system configuration has
changed since your last boot, in which
case press F1. Or, a loss of power to
the Real Time clock has occurred.
1. Run Computer Setup (F10).
2. Set the date and time under Windows Control
Panel or in the F10 Setup menu.
3. If the problem persists, replace the RTC battery.
163–Time and Date Not Set Invalid time or date in configuration
memory.
RTC (real-time clock) battery might
need to be replaced.
1. Set the date and time under Control Panel or in
F10 Setup, depending on the operating system.
2. If the problem persists, replace the RTC battery.
164–Memory Size Error The system memory size has changed
since the last boot.
1. Pressing F1 will record the configuration.
2. If the problem persists, be sure memory modules
(if any) are installed correctly.
3. If third-party memory has been added, test using
HP memory only.
4. Verify proper memory module type.
201–Memory Error The memory test performed during
startup failed.
CAUTION Disconnect AC power from the
workstation before reseating or replacing
components because there is power to the
system board even when the workstation is
powered down.
1. Run Computer Setup (F10 Setup) or Windows
utilities.
2. Ensure that memory modules are installed
correctly.
3. Verify proper memory module type.
4. If third-party memory has been added, test using
HP memory only.
5. Remove and replace memory modules one at a
time to isolate faulty module.
6. Replace the faulty memory modules.
7. If error persists after replacing memory modules,
replace the system board.
207–ECC Corrected Single Bit
Errors in DIMM slot(s)
Corrected ECC error(s) detected.
CAUTION Disconnect AC power from the
workstation before reseating or replacing
components because there is power to the
system board even when the workstation is
powered down.
1. Verify proper memory module type.
2. Verify 3rd party/HP memory.
3. Try another memory socket.
4. Replace memory module if problem persists.
Table 5-18 POST error messages (continued)
132 Chapter 5 System diagnostics and troubleshooting ENWW
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